DtiCorp.com - Honeywell Thermostats and HVAC Controls

DtiCorp.com is specializing in tankless water heaters and accessories to include venting, remote controls and connectors, also Honeywell Home, Residential and Commercial flame safeguard and water quality products. DtiCorp.com is based in Fort Lauderdale, FL and has been serving the needs of HVAC/R professionals for over 15 years. We have earned a reputation as one of the most technically competent controls distributors in the USA. If you have a tough control problem give us a call 1.800.757.5999, our salespeople have the knowledge to help! DtiCorp.com realizes that all the knowledge in the world won't help if you can't get the parts you need when you need them. That is why we have a huge inventory in stock. In fact, every item shown on this site is normally in stock and ships the same day an order is placed! If you can't find what you need on our site please contact us at 1.800.757.5999 and we will find it for you! Prices shown are list price. We offer substantial discounts for qualified HVAC Professionals. If you are a professional, please contact our sales department to get your discount multiplier.

Our markets - We believe in the inherent wisdom of open markets. We are convinced that consumer choice and competition lead to lower prices and innovation.

Innovation - DtiCorp is a laboratory of innovation. That's why we employ the best and the brightest people. And we believe that every employee can make a difference here.

Creativity - We think the entrepreneurial approach stimulates creativity. It calls for new insights, new ways of looking at problems and opportunities, and a strong sense of urgency.

Diversity - At DtiCorp.com we value diversity in people and thought. It's only by being able to recruit from a diverse pool of talent that we'll be able to maintain a truly outstanding workforce.

Customers - Our success is measured by the success of our customers. We are committed to meeting their HVAC needs with solutions that offer them a competitive advantage. And we work with them in ways that reinforce the benefits of a long-term partnership with DtiCorp.

Environment - In everything we do, we operate safely and with concern for the environment. The way we do a job will affect how our children and our neighbors' children will live in the future. This is a responsibility we take seriously in all the different places where we do business.

Change - We're changing the way people think about HVAC. So every time you read this, try something different. Change a goal. Change a habit. Change a mind.

Together - Together we're creating the leading HVAC company in the USA. Together, we are defining the HVAC company of the future.

Respect - We treat others as we would like to be treated ourselves. We do not tolerate abusive or disrespectful treatment. Ruthlessness, callousness, and arrogance don't belong here.

Integrity - We work with customers and prospects openly, honestly, and sincerely. When we say we will do something, we will do it; when we say we cannot or will not do something, then we won't do it.

Communication - We have an obligation to communicate. At DtiCorp.com we take the time to talk with one another. . .and to listen. We believe that information is meant to move and that information moves people.

Excellence - We are satisfied with nothing less than the very best in everything we do. We will continue to raise the bar for everyone. The great fun here will be for all of us to discover just how good we can really be.

DtiCorp.com is a plumbing, heating, and electric supply distributor/retailer selling to homeowners and contractors. We have Honeywell controls, Johnson controls, Robertshaw controls, White-Rodgers controls, oil burner parts and oil nozzles; furnace and boiler parts; duct, duct fittings and registers; pumps, water well supplies; drainage, waterline and gas line; fixtures, faucets and parts; brass, chrome, copper, PVC and CPVC pipe/tubing; black iron and galvanized steel pipe and fittings; water filters and so much more.

With over 7,500 different stock items, we have the basics and some hard-to-find items as well. We offer a great combination of new merchandise at discount prices with personal service. Find out why people from coast to coast use DtiCorp.com as their plumbing, heating and electrical supply source. We look forward to serving you!

Honeywell HVAC products that we carry:
Advanced Burner Control,
Air Vents and Eliminators,
Aquastat Parts and Accessories,
Aquatrol,
Backflow Preventers,
Backwash Controls,
Boiler Fill Valves,
Building Systems,
Butterfly Valves,
Carbon Dioxide Sensors,
Carbon Monoxide Alarm,
Combination Gas Controls,
Commercial Air Cleaners,
Commercial Hydronic Controllers,
Commercial Pilot Burners,
Commercial Radiator Valves,
Commercial Zone Dampers,
Communicating Programmable Commercial Thermostats,
Contactors,
ControLinks Fuel Air Ratio System,
Current Sensors,
Damper Actuator Accessories,
Damper and Valve Actuators,
Damper and Valve Linkages,
Defrost Controls,
Dehumidification,
Dew Point Sensors,
Diaphragm Gas Valves,
Economizer Motors,
Economizer Sensors,
Economizer Systems,
Elapsed Time Meters,
Electromechanical Burner Controls,
Electronic Timers,
EnviraLinks,
Expansion Tanks,
Fan and Limit Controls,
Fan Centers,
Fan Coil Thermostats,
Firing Rate Gas Valves,
Firing Rate Motors,
Flame Amplifiers,
Flame Detectors,
Float Valves,
Flowcheck Valves,
Flue Dampers,
Foot Mounted Motors,
FSG Legacy Parts,
FSG Testers and Demostrators,
Gas Ignition Modules,
Gas Valve Linkages,
Gas Valves with RF,
Humidity Controllers,
Humidity Sensors,
HVAC Service Assistant,
Hydronic Control Valve Accessories,
Hydronic Control Valves,
Hydronic Switching Relays,
Hydronic Thermostats,
Ignition Transformers,
Ignitors and Sensors,
Industrial Gas Valves,
Integrated Appliance Control,
Integrated Furnace Controls,
Kit Mounted Motor,
Legacy Building Controls,
Lighting Controls,
Lime Remover,
Line Volt Thermostats,
Low Water Cut Off Parts,
Manual Switches,
Microprocessor Burner Controls,
Millivolt Gas Valves,
Mixing Valves,
Multi-function Aquastats,
Multi-Zone Relays,
Network Interface Communications,
Non-Programmable Commercial Thermostats,
Oil Control Valves,
Oil Primary Controls,
Pilot Burners,
Pneumatic Accessories,
Pneumatic Actuators,
Pneumatic Humidity Controls,
Pneumatic Pressure Controls,
Pneumatic Relays,
Pneumatic Sensors,
Pneumatic Switches,
Pneumatic Temperature Controllers,
Pneumatic Thermostats,
Pneumatic Transducers,
Pneumatic Valves,
Pneumatic Velocity Controls,
Point Of Purchase Items,
Pool and Spa Controls,
PreMix GasFuel Systems,
Pressure Controllers,
Pressure Controls and Limits,
Pressure Controls,
Pressure Regulator Valves,
Pressure Regulators,
Pressure Sensors,
Pressure Switches,
Programmable Commercial Thermostats,
Programmable Thermostats,
Proportional Thermostats,
Rectangular Damper Accessories,
Product_Refrigeration Controllers,
Relays,
Residential Air Cleaners,
Residential Gas Controls Replacement Parts,
Residential Heating Valves,
Residential Humidification,
Residential Ventilation,
Safety Shutoff Valves,
Sail Switches,
Single-function Aquastats,
Smart Valves,
SOLA Controllers,
SOLA Displays,
Solenoid Gas Valves,
Step Controllers,
Temperature and Pressure Gauges,
Temperature Controllers,
Temperature Sensors,
Thermocouples/Thermopiles,
Thermostat Accessories and Guards,
Thermostatic Gas Valves,
Thermostatic Radiator Valve Operators,
Thermostatic Radiator Valves,
Timers,
Tools and Installation Materials,
Transformers,
Ultraviolet Air Treatment,
Valve Actuator Accessories,
Variable Frequency Drives,
VFD Accessories and Bypass kits,
Water Filters,
Water Heater Controls,
Water Shut-off Valves,
Well Assemblies,
Y-Strainers,
Zone Control Dampers,
Zone Control Panels,
Zone Valve Builder Packs,
Zone Valve Manifold Systems,
Zone Valve Replacement Parts,
Zone Valves,
Zoning Systems.

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DtiCorp.com (http://DtiCorp.com) is introducing the New Honeywell Control Ball Valves.

Honeywell's characterized control ball valves feature a parabolic flow
insert that's integral to the ball. Its unique construction enables a
smoother flow curve and greater degree of rotation responsiveness. The
result: more
accurate flow rate with less wear and tear. And Honeywell's Cv ratings
are similar to globe valve Cv ratings, making it easier to design your
system using a ball valve.

Honeywell control ball valves use the same actuator mounting bracket
for all 1/2 - 3 inch valves, whether spring or non-spring return
actuators.

The new valve numbering system makes model selection a snap.
Honeywell's complete line of actuators and valves are already proven
in more than three million buildings worldwide. So specify Honeywell
ball valves, and put a proven performer on every job.

* Accurate flow control - Parabolic flow inserts integral to the ball
provide equal percentage control, which ensures linear heat transfer
at the coil

* Simplified actuator selection - Multi-actuator mounting bracket
allows the same bracket to be utilized on all valves

* Save with lower-cost actuators - Lower breakaway torque allows the
use of more affordable actuators when valves need to be refitted

* Built for safety and endurance - Blowout-proof stem withstands high
pressure for safety

* NORYL material used for parabolic inserts extends valve life and performance

* Optional NEMA 3R actuator enclosure for weatherproof applications

* Honeywell's control ball valve line has a large range of Cv's to
meet all of your specified requirements.

* Included: Honeywell VBN2EN3P0A, VBN2EN3S0A, VBN2EN3P0B, VBN2EN3S0B,
VBN2EN3P0C, VBN2EN3S0C, VBN2EN3P0D, VBN2EN3S0D, VBN2EN3P0X,
VBN2EN3S0X.

About Us: DtiCorp.com sells brand new Residential and Commercial
Honeywell HVAC Valves, Thermostats and Honeywell Electronic Standalone
Controllers.

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There are many important reasons why you need to have maintenance performed by a professional on your air conditioning
and heating equipment at various times of the year. Some people ignore maintenance altogether and only see a technician
when their equipment fails to perform. Some people religiously subscribe to a maintenance program as performed by their local
heating and cooling contractor. Then there are those people in between those two groups.
Ignoring heating maintenance can become dangerous in more than one way.




First of all, if we ignored our air conditioning maintenance and the air conditioner broke down in the summer (even in
the worse heat wave), we could tolerate it enough to live through it. On the other hand or at the opposite end of the
spectrum, if we ignored the heating system and it broke down, a dangerous condition would exist and it could severly effect
our health not to mention possibly damage the plumbing in our home. This is a good reason to have the heating system in
our homes checked out, however, it is not the primary reason why we need to have it checked especially those of us who use
oil, gas, propane, or another source of fossil fuel to heat our homes.




Finally, the primary reason we need to have our heating maintenance done before the cold arrives is for safety reasons.
You can't smell it or see it and according the American Medical Association it is the number one cause of accidental
poisoning in America. It can kill you while you are sleeping.




It is carbon monoxide and is often referred to as the silent killer.




While the HVAC industry as a whole strives to make all heating systems absolutely safe for as many years as possibly,
accidents do occur and mechanical equipment will eventually fail including heat exchangers and venting systems. Things can
happen over the summer that can change something with your system. A flue can become blocked off by animals or the mortar
can let go and cave in blocking off the flue. These are only a few of the many things that can happen to cause your heating
system to become dangerous to you or your family.




The best way to avoid any unsafe condition is to take action before the cold weather arrives. Have the maintenance check
done and install carbon monoxide detectors in your home ASAP. By taking this action now, you can be assurred that your
heating system will safely provide comfort for your family this winter.




AC Cool tips




Did you know that if your system is not equipped with a delay, turning the air conditioning off and on again too fast can cause your compressor to lock up?
This can also be caused by adjusting the temperature setting up to a high setting and back to a low setting too quickly. This occurs a lot especially for people with children or those
that live in areas with intermittent power failures.
Make sure your child doesn't make the thermostat their new toy by instructing them not to play with it. If you turn the air conditioning off, wait at least five minutes
before turning it back on again.




Filter Maintenance and Indoor Air Quality




Air flow is very important to the efficiency of your system. Whether it be your A.C. system or your Heating system, both systems need the proper amount of designed air flow throughout the system. Dirty filters restrict the airflow which results in higher energy and repair costs to you.




A myth many people believe is that they can close off some of their supply registers and save money. This may be true if you only close off one or maybe two. The system installed in your home is designed for a certain amount of airflow. If this airflow is restricted in any way it causes the system to function improperly and could cause system failure. Open those supply vents, closing too many off is the same as a dirty or restricted filter.




There are many different types of filters. The most common type are the fiberglass disposable filter that you buy at most hardware or retail stores. Other types of filters include the metal or plastic fiber type filters which are washable. These filters save you money because they are washable but they are not as efficient at filtering the air as the disposable kind. By far, the most efficient filters are the Electronic Air Cleaners.There are other high efficiency air cleaning medias that you can have
installed by a contractor that will help keep your home's air as clean and dust free as most electronic air cleaners. The filtering medias are less expensive than the electronic air cleaners but have a higher maintenance cost associated with them because they also have disposable filter medias inside them.




There many different things in the air that we are totally unaware of. Among them are:




* Pollen

* Lint

* Mildew

* Mold

* Fungi

* Virus's

* Spores

* Dirt

* Pet Odors

* Dust

* Dander

* Dust Mites

* Smoke

* Cooking Odors

* Formaldehyde

* Bathroom Odors

* Chemical Smells

* Tobacco Odors

* Many Other Volitile Organic Compounds




Removing these things is the job of your filter. The standard filters you can buy at the hardware store, the fiberglass stranded filters, are the cheapest and most ineffective filters for removing these particles and odors. The cheap filter will remove less than 10 percent of these particles and none of the odors from the air that you breathe. Many people are surprised to learn the contents of the air they are breathing from the list above. The question they most often ask is what can I do to filter
these things from the air my family and I are breathing? The answer to that question is easy but based on what you want to spend and the level of cleanliness you want. As stated above the best is the Electronic Air Cleaner. An addition to the Electronic Air Cleaner, and one that will ensure the eradication of bacteria, mold, fungi, and mildew, is the ultra violet light installed in the return duct near the EAC (Electronic Air Cleaner). When these two devices, the electronic air cleaner and the ultraviolet air
cleaner, are combined with the standard type of filter, you can be assured that you have the best indoor air quality available in your home. Additionally, if you had the electronic air cleaner and the ultraviolet air cleaner installed in your home, changing the regular filters will come on a less frequent basis. That is triple protection for your families health through increased indoor air quality.




Electronic Air Cleaners




Electronic Air Cleaners (EACs) can be expensive compared to the regular filtering medias but from personal experience they are well worth the cost. Customers with allergies and respiratory conditions have reported better breathing conditions when their units were working properly. These units are capable of filtering particles that are less than one micron in size. An EAC is a high tech way of improving the indoor air quality of your home.




When the air passes through the first part of the unit the particles in the air are given an electrical charge using thin ionizing wires located in the cells. Downstream from the wires are collector plates with an opposite charge. The particles (now polarized) are attracted to the collector plates that have an opposite polarized charge. For this reason, electronic air cleaners need to have the cells removed and cleaned usually on a semi-annual basis. Mild soap and water should be used along with extreme
care so the ionizing wires or collector plates are not damaged. If the plates or ionizing wires are damaged during cleaning, the cells should be replaced before restoring power to the unit or the power pack can be damaged. The power pack is an expensive and integral part of the electronic air cleaner. If you have a maintenance agreement the service should include cleaning and caring for this unit if you have one installed in your home. Since these units are expensive they should have professional attention paid
to them from time to time. While the cells are not super-fragile, damage can occur if the proper precautions are not taken during the cleaning of these cells.




Ultraviolet Air Cleaners




Many of us know that Ultraviolet rays are harmful to our skin if we are over exposed to the suns rays. This is the reason most of us use sun block in the summer. Why are UV rays so harmful to us and most biological organisms? UV rays penetrate the cells and break down the molecular bonds in the cells. This can cause mutation of the cells and change their biological make-up. This process can be used to our advantage to improve the indoor air quality of our living spaces. UV lights can be installed in
your duct work so that it may wash the air from harmful bio-organisms that live in the air and duct work of your home. When the air containing these microorganisms pass through the UV light in the duct work, the light penetrates the organism and breaks down it's molecular bonds. This causes cellular and genetic damage that renders these microscopic

An air handler is usually located in the garage, a closet, or in the attic (unless you
have a package unit then the air handler is incorporated in the system). It can be a part
of your furnace and houses the evaporator coils, the blower, and some controls. The air handler can be an upflow, downflow, or horizontal flow AHU (air handling unit). To determine
which one you have follow the return duct. The return duct should originate where you put the
filter and/or is the biggest register grill in the house. If the return ends in the bottom
of the unit it is an upflow air handler. If the return duct ends in the top of the unit it
is a downflow air handler. If the unit looks as if it is lying on it's side with the return
duct coming in one side the supply ducts going out the other it is a horizontal flow air
handler.




Knowing this information can help you find the filter if you have never changed
the filter in this unit. Some air handling units have the filter inside. If there is no filter
in the return register or grill then the filter is either in the return duct somewhere or
in the air handler itself. Filtering the air is not only important for the air quality in
your home but it is essential for the proper operation of the unit itself. The air must be
filtered before it reaches the coils or heat exchanger inside the air handler. If it is not
then there will be a build up over time of dust and debris that get sucked into the return.
This build up clogs off the evaporator coil and causes the heat exchanger to operate at
higher than normal temperatures. The unit becomes less and less efficient and will eventually

Spring maintenance checks to the air handler can help you avoid costly repairs when the heat of summer arrives. A word of caution is advised here before you open the panel. Air Handlers have high voltage running into them and there is a shock hazard. Before you remove the panel make sure the power is turned off to the unit. Only a professional should operate the unit with the panels off. Even with the thermostat in the off position the unit has high voltage running into it. Turn the circuit breaker off before opening any panel on your heating and air conditioning equipment. The air handler contains the evaporator, metering device (on most units), the blower, and some controls. The metering device and the controls should be checked by a professional. These components are highly technical and beyond the scope of this site to explain in detail. The evaporator and blower can be maintained by the homeowner as long as safety and common sense are applied.






Checking the Evaporator





The evaporator coil carries refrigerant inside it. This coil and refrigerant, through the heat exchange process, absorbs heat from the air passing through the coils. The heat causes the refrigerant inside the evaporator coils to boil and change state. The refrigerant, where it enters the coil, is mostly a liquid. By the time it reaches the end of the coils it should have absorbed enough heat to change it from a liquid to a vapor. On the outside of the air handler there are two copper lines. One large and insulated line, and one small and uninsulated line. The large line is the suction line. This line carries the vapor (refrigerant) back to the compressor in the condensing unit. The small line is called a liquid line. This line carries liquid (refrigerant) from the condensing coils to the evaporator. When the unit is running the liquid line should be hot and suction line should be cold. The temperatures of these lines will vary depending on how hot the house is inside and the ambient temperature outside the home. A big problem most people encounter with the evaporator coils is blocked coils. The coils are plugged with dust, dirt, and other debris, there is a duct collapsed somewhere, or there are too many supply vents closed off in the home. For the evaporator to work properly and efficiently the coils must be clean and have plenty of air flow. Thus, the necessity of a good filter to filter all the particles from the air before it reaches the coils. Coils operate below the dew point when the air conditioner is on. This will make the evaporator coil wet so when the dust makes contact with the coil it will often stick to the coil. Over time this will cause a build up and eventually the system will stop cooling. With improper air flow across the coils there is no heat exchange process. The coils will freeze and ice will form on them. Another cause of ice forming on the evaporator coil is a low refrigerant charge. If the coils are clean and they are icing up, you need to call a professional to charge the unit properly.




Cleaning the Evaporator Coils




Again, we recommend a professional do this work. A professional will have all the proper tools to complete the job quickly and efficiently. Make sure you follow the safety procedures noted above about cutting power to the unit before attempting to clean the coils. Once you have turned the power supply off from the air handler, open the panel where the suction and liquid lines run into the unit. Be very careful not to bend or crimp these lines or any lines in the air handlers. Another thing to avoid is the fins on the coils. Do not bend them. That would defeat the purpose of cleaning the coils because it will reduce the amount of air flowing across the coils. Check the drain line before you begin this procedure. See condensate drain section below for more information on this subject. Soak the coil with a soap and water solution. Professionals use an industrial strength coil cleaner which may be available at some hardware stores. Let this solution soak for a few minutes and then take a rag and wipe as much dust off the surface of the coils as possible. Repeat these steps until the coils look clean. Take a flash light and look between the fins. They should appear to be clean. If not, soak the coils again and use a brush with light bristles to brush the coils. Remove as much dust, dirt, and debris as possible. Remember there are two sides to the coil and make sure both sides are clean. The side that will most likely be dirty will be the side where the return air flow comes from. If your coils are clean and the rest of your components are operating normally you should have a nice cool summer inside your home no matter what the weather is outside.



Checking the Blower Motor




The blower is comprised of different components in most units. It has an electric motor, a squirrel cage blower wheel, and a cage typically referred to as a squirrel cage. Some units have belt driven motors and most have capacitors for the electric motor. The only required maintenace on the blower is oiling the motor if it has oil ports or checking the belt if you have a belt driven motor. Not all motors have oil ports. These motors use sealed bearings and never require oil. The motors that do have oil ports usually have little plastic dust caps that can be removed so that oil can be applied. They can be removed so that the bearings can be oiled. Not all motors have caps and not all caps are yellow.




Checking the condensate lines are especially important if your air handler is located in the attic. Since the evaporator coil operates at a temperature less than dew point, it will condense the moisture from the air. This coil is designed to allow the moisture to drip into a pan. Most pans have a 3/4" PVC line attached to them that allows the moisture to drain to the outside of the house. The PVC line often becomes clogged with algae and muck and needs to be blown or flushed out from time to time. If your air handler is in an attic it should have a secondary pan to catch the water in case the primary pan or line gets clogged. We recommend that all secondary pans have float switches installed. This switch will cut the unit off if the secondary pan starts to over fill. This will save you from buying a ceiling. Float switches can be installed by your local HVAC service company.




Check to make sure that the condensate line is not plugged by pooring water in the pan. If it drains fast then the line should be okay. If it drains slowly or not at all then the line is plugged or beginning to plug. Find the end of the line outside and take a hose and flush the line. You must be careful if you do this procedure. You can flood the pan and cause water damage. This will clean the line in most cases. If it doesn't you need to call a professional. They should have all the necessary tools to blow the line properly.




All of these checks can be made by your local heating and air conditioning company. Just call and ask for a spring tune up or a maintenance agreement. A little preventive maintenance can save you a lot of money in the future. Take the time to have this maintenance done and save yourself from the expense and hardship that comes with breakdowns.




In depth information:




By the time it reaches the end of the coils it should have absorbed enough heat to change it from a liquid to a vapor. What are the reasons why the coil wouldn't

HVAC tools

Getting the right HVAC tools and gauges is as important as having the right ingredients in cooking. Furthermore, utilizing the right tools is one big step in having the right system. Thus, it is advisable for HVAC practitioners, especially for beginners, to know what basic tools are currently used today.




One basic HVAC tool is the wrench. This device is used to tighten or loosen bolts (usually those with hex heads) and nuts. There are many kinds of wrenches: open-end, combination, adjustable open-end, flare nut. Most HVAC technicians prefer using the ratchet-type box wrench. They are excellent time savers as they immediately tighten or loosen around nuts and bolts. For refrigeration and air-conditioning systems, however, they go for the flare nuts. One note for you, though.  The best ones are those that
are made of alloy steel because they are tough. You also check the shape of the opening, see if they can easily hold and release nuts and bolts, as well as the grip.




For HVAC systems, you also need a screwdriver. To allow it to endure twisting torque, choose a screwdriver with tempered tips. Good ones are also with steel shafts. In using this tool, you have to remember some few things. First, a screwdriver can never replace a chisel or a pry bar. Select the most appropriate device needed at the moment. Second, it is necessary that you maintain the form of the screwdriver tip to avoid damage to the implement or injury to yourself.




Pliers are used to hold little objects or to bend or cut wires. Just like the other tools mentioned, there a variety of pliers available that come in different shapes and sizes. The most ideal for pipe work is the locking-type pliers (Vise-Grips). These pliers have the most effective holding power. Tension degrees are also adjustable. Pliers should never replace wrenches.




Another classic HVAC tool is the hammer, specifically a duct hammer. This is used when installing ducts and air distribution systems. Generally, its face is square and has a chisel-like back. In selecting the right hammer, its handle should be made of steel, wood, or fiberglass. Otherwise, more-than-enough pressure will bend or even break it.





A hacksaw can cut piping materials but not with the ones used for piping circuits that carry refrigerants. Other valuable tools are drills, meters, and gauges.




You can go to your nearest hardware store or shop online when purchasing HVAC tools. There is an extensive list of HVAC tools manufacturers and sellers that offer the best buys and quality products. HVACtool.com carries the widest range of HVAC products from various manufacturers like Amprobe, Fieldpiece, Maglite, to name a few.




Yet technology is starting to play a key role in the development of HVAC tools. There are already software programs available like Elite and Design-Build 6.0 that can do accurate load calculations and duct sizing, among others, without using any more hand tools. Furthermore, you can practically build your desired HVAC system from scratch, allowing you greater freedom to choose and identify other much-needed HVAC tools.




The truth is it is improbable and impossible to build something without anything to help you get by. In installing and even maintaining an effective and proper HVAC system, you need to have the right kinds of tools-that is, they are really useful in helping you implement your plan. And since they are the likely the same devices you are going to use in the future, you need to take care of them. They should always be cleaned and not utilized inappropriately. Handling them with care will not only make them long-lasting
but, it will also protect you from injury or accidents.

HvacTotal.com - Information about HVAC Relays

An HVAC relay is a type of HVAC control system commonly used to monitor temperature, pressure, and humidity of large commercial and industrial facilities. HVAC controls, such as in building automation system, are significant in the optimal start programs. When the program calls for a warm-up, the central air handling systems of the plant would start and operate with a recirculation air of 100 percent. When it calls for a cool-down, the central air handling systems of the plant
would start and operate with
a return air of 100 percent.




An HVAC relay uses either one or perhaps more central controllers to regulate terminal unit controllers that are remote, communicating through an operator interface, usually one or more PCs. An HVAC relay is also often integrated with other systems such as smoke, fire, or light controls.




There are many types of HVAC relays available in the market. Temco Controls has actually three HVAC relays. Their MR3000 is a general-purpose mechanical relay and fits for both low voltage as well as excellent power switching. To activate it, it needs only 10-12 VDC (voltage direct current) at 100ma (milliampere) for its low-power coil. Its double-pole, double-throw (DPDT) relay is estimated to be at 10A (ampere). Each relay consists of LED that indicates
its voltage status. Its mechanical relay board is a slight modification of MR3000. They are actually two types of it: 4- and 8-gang versions. Its features are very similar to that of an ordinary MR3000 mechanical relay in the sense that it still has a low-power coil and possesses LED lights for each relays. Additional LEDs are used to monitor fuse loads. The mechanical board relay jumper can be set in two modes. It can be switched at 24 VAC on common ground, or you can use dry contact mode.




Temco Control SSR3000 features photo isolation of 4,000 volts and voltage turn-on, among others. It is a type of a solid-state relay. However, the word relay may be a misnomer as it is not a relay at all. It depends on electronics to do the actual switching. SSR3000 is known to provide solid-sate dependability for your HVAC systems.  For best performance, each relay is pretested before it is delivered.





Fujitsu Components America is one of the world leading manufacturers and distributors of electronic parts all throughout America. In 2004, it introduced and released into the market its newest type of HVAC relay called FTR-K3. It is a slim relay with a power of 20 amperes and an operating power of 780mW (milliwatts), the lowest of among its class. It has variety of uses, such as to switch compressor and inverter loads found in air conditioners and other appliances found in offices and in homes.  FTR-K3
is very durable and long-lasting, capable of 2 million operations (its mechanical life) or 100,000 operations (its electrical life) at its rated load.




Another leading company in the mechanical engineering industry is American Zettler. It boasts of being world no. 1 manufacturer and seller of HVAC relays. Its catalog or product list, which you can download, features over thirty kinds of relays for different purposes. Furthermore, each model has its own distinctive characteristic, allowing you to choose the best or the most appropriate for your need.




Omron has one of the best kinds of contactor relays. They consist of main contactors with an addition of contact blocks. Moreover, their components are finger proof and come in different sizes; definitely, you have almost infinite ways of possible configuration.




HVAC relays are sometimes manufactured as part of power packs. We can take, for example, Leviton occupancy sensors, which are the most highly developed, functioning sensors in the market. These sensors, along with its own built-in HVAC relays, can actually place all control connections in one central location.  Computers can also be used to control HVAC relay operations through an open- or closed-contact representation. This is because PCs use binary logic-either one or zero, yes or no, true or false-that
is transformed into electrical signals and eventually into true-or-false digital signals.

Honeywell-Thermostats.com is a Shopping Assistance Service for customers buying HVAC thermostats. Our mission is to provide you with the best service to buy products from the brands you know and want. No one knows thermostats better than Honeywell. Their heritage is built on over 100 years of thermostat design and manufacturing. The primary job of a thermostat is to accurately control home temperature, and that is why Honeywell makes thermostats that are easy to use, contain high quality components and are engineered to precise design specifications resulting in pinpoint temperature control to +/- 1 F. The focus is on quality, performance and innovation, and it shows in the complete lines of brand new Honeywell thermostats.

A thermostat is a device for regulating the temperature of a system so that the system's temperature is maintained near a desired setpoint temperature. The thermostat does this by switching heating or cooling devices on or off or regulating the flow of a heat transfer fluid as needed to maintain the correct temperature.

The Honeywell digital thermostats have no moving parts to measure temperature and instead rely on thermistors or other semiconductor devices such as a resistance thermometer (resistance temperature detector). Typically one or more regular batteries must be installed to operate it, although some so-called "power stealing" digital thermostats use the common 24 volt AC circuits as a power source, but will not operate on thermopile powered "millivolt" circuits used in some furnaces. Each has an LCD screen showing the current temperature, and the current setting. Most also have a clock, and time-of-day and even day-of-week settings for the temperature, used for comfort and energy conservation. Some advanced models have touch screens, or the ability to work with home automation or building automation systems.

Honeywell digital thermostats use either a relay or a semiconductor device such as triac to act as switch to control the HVAC unit. Units with relays will operate millivolt systems, but often make an audible "click" noise when switching on or off.

More expensive models have a built-in PID controller, so that the thermostat knows ahead how the system will react to its commands. For instance, setting it up that temperature in the morning at 7 a.m. should be 21°C, makes sure that at that time the temperature will be 21°C, where a conventional thermostat would just start working at that time. The PID controller decides at what time the system should be activated in order to reach the desired temperature at the desired time. It also makes sure that the temperature is very stable (for instance, by reducing overshoots).

Most Honeywell digital thermostats in common residential use in North America and Europe are programmable thermostats, which will typically provide a 30% energy savings if left with their default programs; adjustments to these defaults may increase or reduce energy savings.

Introducing http://www.ListFree.org - an imageboard related to popular culture.

Imageboards, similar to bulletin boards, are used for discussion of a variety of topics. The primary focus of imageboards, however, is directed away from text posts, and is instead placed on picture posts. The two share many of the same structures, including separate forums for separate topics, as well as similar audiences. Imageboards are much more transitory with content - on some boards (especially highly-trafficked ones), the thread deletion time can be as little as 10 minutes. The most popular English-language imageboards tend to revolve around Japanese culture such as CG artwork of anime. In Japan, where imageboards are more common, topics vary widely, ranging from trains to current news.

Imageboards are also different from online galleries in that most of the works posted are not made by the poster, but instead are taken from other online sources: galleries, other imageboards, and edited pictures.

Most imageboards and 2channel-style discussion boards allow (and encourage) anonymous posting and use a system of tripcodes instead of registration. Anonymity is considered to be one of the advantages of an imageboard. Some boards have from time to time removed the ability to post with a name altogether (known as 'forced anonymous/anonymity').

A tripcode is a means of telecommunication authentication that does not require registration. Tripcodes are most often used in 2channel-style message boards or Futaba Channel-style imageboards. A tripcode is a hashed password by which a person can be identified by others. A tripcode is the result of input to a cryptographic hash function on the message board server, usually entered in the same field as the name. Readers of the board can identify postings made by the same user by comparing tripcodes. If two people use the same user name, they can be told apart because they, presumably, don't know each other's passwords that generate the different tripcodes. This way, the names and passwords don't have to be stored in a database. As many boards use the same algorithm, tripcodes are usually consistent.

If a user wants to reply to a thread but not bump it, they can put the word "sage" in the e-mail field. "Ageing" can refer to either bumping a post or putting the word age into the e-mail field. It is considered polite to sage when replying to your own thread.

In Japan, the imageboard is a much larger cultural symbol, with one estimate putting the total number of posts for Futaba's seven Nijiura boards at over 56,000,000 and rising.

About ListFree.org: ListFree.org (http://www.listfree.org) is an English language imageboard based around the posting of pictures related to popular culture and their discussion. Unlike most web forums, ListFree.org does not have a registration system, allowing users to post anonymously. Any nickname may be used when posting, even one that has been previously adopted, such as "Anonymous". In place of registration, ListFree.org has provided tripcodes as an optional form of authenticating a poster's identity. Tease your brain and make the most out of your time online based on content collaboration.

This year, Cyber Monday will be on November 30th, 2009. Popular Honeywell retailer, DtiCorp.com, reaches out to new and loyal customers with $15 off purchases of $100 or more of select Honeywell products. COUPON CODE: DTICORP-1109

Fort Lauderdale, FL - Popular Honeywell online retailer DtiCorp.com (http://www.DtiCorp.com) is rewarding fans and customers with an exclusive Cyber Monday web discount. From the comfort of home, shoppers can find some of the best deals on a wide selection of HVAC products through special savings and shipping incentives available online only for a limited time.

Just spend $100 or more on any combination of Honeywell products offered by DtiCorp.com and use this promotional code at checkout DTICORP-1109 to save 15%.

This offer applies only to DtiCorp.com (http://www.DtiCorp.com) purchases made between November 23rd and November 30th, 2009. Applies only to products sold by DtiCorp.com. Does not apply to products sold through third-party areas such as Amazon.com Marketplace, eBay Auctions, zShops or Yahoo.com.

"For our shoppers, DtiCorp.com is an easy-to-navigate resource for the holidays. It provides great gift ideas for the whole family and saves the time and trip to the store," said John Marino, manager with DtiCorp. "We know that this year especially, finances will be tight and we want to provide every resource possible for our customers to save money and give the best gifts. Cyber Monday deals on DtiCorp.com are just one of the solutions we're offering this holiday, along with in-store layaway."

About Cyber Monday: The term Cyber Monday refers to the Monday immediately following Black Friday, the ceremonial kick-off of the holiday online shopping season in the United States between Thanksgiving and Christmas. Whereas Black Friday is associated with traditional brick-and-mortar stores, "Cyber Monday" symbolizes a busy day for online retailers. The premise was that consumers would return to their offices after the Black Friday weekend, making purchases online that they were not able to make in stores. Cyber Monday has evolved into a significant marketing event, sponsored by the National Retail Federation's Shop.org division, in which online retailers offer low prices and promotions.

About Us: DtiCorp.Com (http://www.DtiCorp.com) carries more than 35,000 HVAC products, including industrial, commercial and residential parts and equipment from Honeywell, Johnson Contols, Robertshaw, Jandy, Grundfos, Armstrong and more. Our online catalog is easy to navigate and search, and all products have a picture and a description. If a customer has any questions about a product, they can call 800-757-5999 and speak with one of our product experts. Our mission is to offer the best prices anywhere to our customers.

Julian Arhire
Manager DtiCorp.com
Phone: 954.298.2515
Fax: 954.206.0767
Web: http://www.DtiCorp.com
###
DtiCorp.com, Honeywell, HVAC, discount, Cyber Monday, homeowners

The Integrated Burner Controls are microprocessor-based integrated burner controls for automatically fired gas, oil, coal or combination fuel single burner applications

Fort Lauderdale, FL - Popular Honeywell online retailer DtiCorp.com (http://www.DtiCorp.com) is introducing five New Honeywell Integrated Burner Controls. The Integrated Burner Controls are microprocessor-based integrated burner controls for automatically fired gas, oil, coal or combination fuel single burner applications. They provide safety, functional capability and features beyond conventional controls.

Features:

* Valve Proving Feature, Selectable To Occur at 5 Different Times
* Valve Proving Demand Selectable Input
* Post Purge Programmable between 0-600 seconds or 10-60 minutes
* Fault Code Annunciation via Keyboard Display (127 Possible Codes with 6 Historical Files) or Power LED
* Selectable Pilot Flame Establishing Period (PFEP) with Interrupted Pilot Valve
* Includes S7800A1142 Enhanced Keyboard Display Module (RM7800L only)
* Modulated High Fire/Low Fire Proven Purge, Pre ignition and Lockout Interlocks
* Selectable Gas Direct Spark Ignition Input
* Shutter Drive Output for Dynamic Self-Checking UV Flame Detectors
* Compatible with Existing Honeywell 7800 Series Flame Detectors, Amplifiers and Pre Purge Cards
* 1,000,000 Total Cycles and Total Hours History

The self-checking valve proving system (VPS) verifies the effective closure of automatic safety shut-off valves. When a failing valve is detected, the VPS will go into automatic lockout status, generating an alarm while preventing burner start-up, thereby avoiding apotentially unsafe condition. VPS programming is integral to the device; meaning a separate module is not required to accomplish VPS saving time and money. Device VPS default is 'Never', meaning valve proving does not occur. Activation of the VPS logic as well as the programmable post purge is accomplished through user set-up. Flexibility in VPS set-up and post purge allows multiple uses for a single control, including replacing several legacy devices with minimal or no modifications. Additionally, with VPS, a vent valve is not required for a double block system, and thus reduces installation costs. Further, VPS is accepted by NFPA 85/86 and UL795 as an equivalent level of safety to a vent valve in a traditional double block and bleed system (where regulations permit). Further control enhancements include increasing history files for total cycles and hours to 1,000,000 while adding a LED fault code (blinkum) annunciation on safety shutdown, with 20 possible codes. The Honeywell S7800A1142 enhanced keyboard display allows for programming the VPS and post purge as well as configuring of S7830 expanded annunciator terminals to match user system drawings, providing a valuable troubleshooting aid. A "Call Service" business card alpha/numeric feature, which is pass code protected, was added as well. The Honeywell VPS programmable control function is only suitable for natural gas or liquid propane burner applications. While the Honeywell 7800 Series of integrated burner controls can be used on gas, propane, oil or combination fuel single burners, the VPS function is not intended for use in oil or burner applications other than natural gas or liquid propane.

Models available: Honeywell RM7800E1010, RM7800G1018, RM7800L1012, RM7800L1053, RM7800M1011.

About Us: DtiCorp.Com (http://www.DtiCorp.com) carries more than 35,000 HVAC products, including industrial, commercial and residential parts and equipment from Honeywell, Johnson Contols, Robertshaw, Jandy, Grundfos, Armstrong and more. Our online catalog is easy to navigate and search, and all products have a picture and a description. If a customer has any questions about a product, they can call 800-757-5999 and speak with one of our product experts. Our mission is to offer the best prices anywhere to our customers.

Julian Arhire
Manager DtiCorp.com
Phone: 954.298.2515
Fax: 954.206.0767
Web: http://www.DtiCorp.com

###
DtiCorp.com, Honeywell, HVAC, Integrated Burner Controls

Fort Lauderdale, FL - Popular Honeywell online retailer DtiCorp.com (http://www.DtiCorp.com) is introducing 22 Brand New Honeywell Flame Amplifiers for Microprocessor Controls. Flame Amplifier is a solid state plug-in amplifier that responds to a rectified, optical, ultraviolet or infrared signal. R7847B, R7848B, R7849B Dynamic Ampli-Check circuitry tests all flame amplifier components 12 times per minute. The 7800 SERIES and R7140 Relay Module locks out on safety shutdown with amplifier failure. R7824C, R7847C Dynamic Self-Check Rectification Amplifier, R7851C Dynamic Self-Check Optical Flame Amplifier, R7861 Self-Check Ultraviolet Flame Amplifier and R7886A Dynamic Self-Check Ultraviolet Amplifier test the detectors and all electronic components in the flame detection system 12 times per minute. The 7800 SERIES and R7140 Relay Module locks out on safety shutdown with flame detection system failure.

New Honeywell Flame Amplifiers Available:

1. Honeywell R7824C1002
2. Honeywell R7847A1025
3. Honeywell R7847A1033
4. Honeywell R7847A1074
5. Honeywell R7847A1082
6. Honeywell R7847B1023
7. Honeywell R7847B1031
8. Honeywell R7847B1064
9. Honeywell R7847B1072
10.Honeywell R7847C1005
11.Honeywell R7848A1008
12.Honeywell R7848B1006
13.Honeywell R7849A1015
14.Honeywell R7849A1023
15.Honeywell R7849B1013
16.Honeywell R7849B1021
17.Honeywell R7851B1000
18.Honeywell R7851B1018
19.Honeywell R7851C1008
20.Honeywell R7861A1026
21.Honeywell R7861A1034
22.Honeywell R7886A1001

APPLICATIONS

The R7824C Rectification Flame Amplifier is a solid state plug-in amplifier that responds to a rectified signal from a C7024E,F Self-Check Ultraviolet Flame Detector to indicate the presence of flame when used with the 24 Vdc RM7824 Relay Module.

The R7847A,B Rectification Flame Amplifiers are solid state plug-in amplifiers that respond to a rectified signal from a rectification type flame detector to indicate the presence of flame when used with 7800 SERIES and R7140 Relay Modules.

The R7847C Self-Check Rectification Flame Amplifier is a solid state plug-in amplifier that responds to a rectified signal from a C7012E,F Self-Check Ultraviolet Flame Detector to indicate the presence of flame when used with 7800 SERIES and R7140 Relay Modules.

The R7848A,B Infrared Flame Amplifiers are solid state plugin amplifiers that respond to an infrared signal from a C7015 Infrared Flame Detector to indicate the presence of flame when used with 7800 SERIES and R7140 Relay Modules.

The R7849A,B Ultraviolet Flame Amplifiers are solid state plug-in amplifiers that respond to an ultraviolet signal from a C7027, C7035 or C7044 Ultraviolet Flame Detector to indicate the presence of flame when used with 7800 SERIES and R7140 Relay Modules.

The R7851B Optical Flame Amplifiers are solid state plug-in amplifiers that respond to optical signals from C7927 and C7962 Flame Detectors to indicate the presence of flame when used with 7800 SERIES and R7140 Relay Modules.

The R7852A,B Infrared Flame Amplifiers are solid state plugin amplifiers that respond to an infrared signal from a C7915 Infrared Flame Detector to indicate the presence of flame when used with 7800 SERIES and R7140 Relay Modules.

The R7851C Dynamic Self-Check Optical Flame Amplifier is a solid state plug-in amplifier that responds to ultraviolet signals from C7961E Dynamic Shutter-Check ultraviolet flame detectors to indicate the presence of flame when used with 7800 SERIES and R7140 Relay Modules.

The R7861A Self-Check Ultraviolet Flame Amplifier is a solid state plug-in amplifier that responds to an ultraviolet signal from a C7061 Self-Check Ultraviolet Flame Detector to indicate the presence of flame when used with 7800 SERIES and R7140 Relay Modules.

About Us: DtiCorp.Com (http://www.DtiCorp.com) carries more than 35,000 HVAC products, including industrial, commercial and residential parts and equipment from Honeywell, Johnson Contols, Robertshaw, Jandy, Grundfos, Armstrong and more. Our online catalog is easy to navigate and search, and all products have a picture and a description. If a customer has any questions about a product, they can call 800-757-5999 and speak with one of our product experts. Our mission is to offer the best prices anywhere to our customers.

Julian Arhire
Manager DtiCorp.com
Phone: 954.298.2515
Fax: 954.206.0767
Web: http://www.DtiCorp.com

###
DtiCorp.com , Honeywell, Flame Amplifier, 7800 SERIES, R7140 Relay Module, R7824C1002

Fort Lauderdale, FL - Popular Honeywell online retailer DtiCorp.com (http://www.DtiCorp.com) is introducing 7 Brand New Honeywell Protectorelay Oil Primary Controls. The Honeywell R8184M Protectorelay oil burner control operates the oil burner and oil valve in response to a call for heat from a low voltage control circuit. The TRADELINE intermittent ignition oil primary control operates the oil burner, oil valve (if desired) and the ignition transformer in response to a call for heat from the thermostat. Through a C554 Cad Cell Flame Sensor, the R8184 monitors the burner flame and shuts down the system on ignition failure or on flame failure during the run cycle. A light emitting diode (LED) on the terminal strip lights when the safety switch opens to provide safety shutdown indication. A manual reset button is provided to reset the safety switch after lockout. For convenience in system maintenance, the safety switch can be manually opened using a lever on the front of the control. Clock thermostats that power the clock through the primary control transformer will lose time during lockout unless backup batteries are installed. R8184G is component recognized by Underwriters Laboratories Inc. and meets their flammability test requirements for a final enclosure.

New Honeywell Protectorelay Oil Primary Controls Available:

1.R8184G4009
2.R8184G4025
3.R8184G4066
4.R8184G4074
5.R8184G4082
6.R8184G4090
7.R8184M1051

Features:
- Provides intermittent ignition.
- Used with a C564A Cadmium Sulfide Cell and 24 Vat thermostat.
- Integral 24 Vat transformer powers bw voltage control circuit.
- Solid state flame sensing circuit.
- Enclosed safety switch with external red reset button.
- Safety switch must be manually reset after safety shutdown.
- 45 second safety switch timing.
- Exposed terminal strip with screw terminals for low voltage connections.
Y and G terminals are tie points for cooling circuit connections.
- Color-coded leadwires for line voltage connections.
- Mounts in any position on a standard 4 x 4 inch junction box or directly on burner housing.

Smartly Built
The compact design includes conveniently placed wiring
terminals to help speed installation. The unit mounts easily on a 4" x 4" junction box, the burner housing or the appliance cabinet.

Honeywell Reliability
The R8184 features an integral transformer that powers the control circuit and 45-second safety switch timing. The reset button, manual lockout switch and the status indicator lights are all easily accessible on the front of the unit. Installed on millions of burners worldwide, the R8184 is built for long service life and easy installation.

About Us: DtiCorp.Com (http://www.DtiCorp.com) carries more than 35,000 HVAC products, including industrial, commercial and residential parts and equipment from Honeywell, Johnson Contols, Robertshaw, Jandy, Grundfos, Armstrong and more. Our online catalog is easy to navigate and search, and all products have a picture and a description. If a customer has any questions about a product, they can call 800-757-5999 and speak with one of our product experts. Our mission is to offer the best prices anywhere to our customers.

Julian Arhire
Manager DtiCorp.com
Phone: 954.298.2515
Fax: 954.206.0767
Web: http://www.DtiCorp.com

###
DtiCorp.com , Honeywell, R8184 Protectorelay Oil Primary Controls, R8184G4009, R8184G4066

Fort Lauderdale, FL - Popular Honeywell online retailer DtiCorp.com (http://www.DtiCorp.com) is introducing 13 Brand New Honeywell Aquatrol AQ2000 Series electronic controls. The AQ250 family of AQUATROL Boiler Controls provides simplified, energy-efficient control of single temperature, residential hydronic heating systems. The AQ250 easily converts a single zone heating system into a room-by-room comfort control system, or upgrades a basic, relay-logic zoning system to intelligent Zone of Greatest Demand control for increased energy efficiency with reduced boiler cycling. AQ250 boiler controls can ensure ample supply of hot water for both space heating and priority generation of domestic hot water for bathing, dishes and laundry.

Models available:
-AQ25042B Aquatrol Boiler Control Panel with DHW priority for 4 zones of Pumps or 2-wire valves
-AQ25044B Aquatrol Boiler Control Panel with DHW priority for 4 zones of 4-wire valves (with end switches)

The AQ251 family of AQUATROL Boiler Reset Controls provides simplified, energy-efficient outdoor temperature compensated control of single temperature, residential hydronic heating systems. The AQ251 easily converts a single zone heating system into a room-by-room comfort control system, or upgrades a basic, relay-logic zoning system to intelligent Zone of Greatest Demand control with outdoor reset for increased energy efficiency with reduced boiler cycling. AQ251 boiler controls can ensure ample supply of hot water for both space heating and priority generation of domestic hot water for bathing, dishes and laundry.

Models available:
-AQ25110B Aquatrol Boiler Reset Control Panel
-AQ25142B Aquatrol Boiler Reset Control Panel with DHW priority for 4 zones of pumps or 2-wire valves
-AQ25144B Aquatrol Boiler Reset Control Panel with DHW priority for 4 zones of 4-wire valves (with end switches)

The AQ252 family of AQUATROL Universal Injection/Mixing Boiler Reset Controls provides simplified, energy-efficient outdoor temperature compensated control of single-temperature, residential hydronic heating systems. The AQ252 easily converts a single zone heating system into a room-by-room comfort control system, or upgrades a basic, relay-logic zoning system to intelligent Zone of Greatest Demand control with outdoor reset for increased energy efficiency with reduced boiler cycling. AQ252 boiler controls can ensure ample supply of hot water for both space heating and priority generation of domestic hot water for bathing, dishes and laundry.

Models available:
-AQ25242B Aquatrol Universal Injection/Mixing Boiler Reset Control Panel with DHW Priority
-AQ25244B Aquatrol Universal Injection/Mixing Boiler Reset Control Panel with DHW Priority

The AQ254 Add-a-Temperature Expansion Control Panel is used in conjunction with an AQ250, AQ25A, AQ251 or AQ252 Control Panel. It provides one additional loop temperature control capability for up to 16 zones when used with AQ255 and/or AQ257 zoning panels. It can also be simply used to add up to 16 more zones to the main boiler loop. Mixed loop target temperature is reset by either outdoor temperature or calculated system load based on indoor temperature feedback.

Models available:
-AQ25400B Aquatrol Add-a-Temperature Expansion Control Panel
-AQ2541E0 Aquatrol Add-a-Temperature Expansion Control Panel

The AQ255 and AQ257 family of AQUATROL Expansion Zoning panels work with AQ2000 Boiler Control Panels and AQ1000 Communicating Thermostats to control up to 4 space heating zones (or 8, for the AQ2558P2X Panel). Can be combined with additional expansion zoning panels and an AQ2000 control panel for a total of 16 space heating zones.

Models available:
-AQ25542B Aquatrol Zoning Panel for 4 pumps
-AQ25582B Aquatrol Zoning Panel for 8 pumps

The AQ255 and AQ257 family of AQUATROL Expansion Zoning panels work with AQ2000 Boiler Control Panels and AQ1000 Communicating Thermostats to control up to 4 space heating zones (or 8, for the AQ2558P2X Panel). Can be combined with additional expansion zoning panels and an AQ2000 control panel for a total of 16 space heating zones.

Models available:
-AQ25742B Aquatrol Zoning Panel for 4 valves
-AQ25744B Zoning control for 4 valves with end switches

About Us: DtiCorp.Com (http://www.DtiCorp.com) carries more than 35,000 HVAC products, including industrial, commercial and residential parts and equipment from Honeywell, Johnson Contols, Robertshaw, Jandy, Grundfos, Armstrong and more. Our online catalog is easy to navigate and search, and all products have a picture and a description. If a customer has any questions about a product, they can call 800-757-5999 and speak with one of our product experts. Our mission is to offer the best prices anywhere to our customers.

Julian Arhire
Manager DtiCorp.com
Phone: 954.298.2515
Fax: 954.206.0767
Web: http://www.DtiCorp.com

###
DtiCorp.com , Honeywell, Aquatrol, AQ2000 Series, electronic controls, AQ25042B, AQ25044B

Fort Lauderdale, FL - Popular Honeywell online retailer DtiCorp.com (http://www.DtiCorp.com) is introducing 27 New Honeywell Programmable Thermostats. Using a programmable thermostat, you can adjust the times you turn on the heating or air-conditioning according to a preset schedule. As a result, the equipment doesn't operate as much when you are asleep or when the house, or a part of it, is not occupied. Programmable thermostats can store and repeat multiple daily settings (six or more temperature settings a day) that you can manually override without affecting the rest of the daily or weekly program.

Honeywell Programmable Thermostats provide the ability to automatically adjust for unique lifestyles, controlling home comfort to the desired temperature at the desired time. They do the work for the homeowner automatically when they are away or asleep. And the big benefit is energy savings - up to 33% on home heating and cooling costs - by adjusting the temperature up or down, thereby reducing equipment run-time. Honeywell combines the convenience of schedule selection with precise temperature control to deliver superior programmable thermostats.

Models available:

A.Honeywell Prestige Comfort Systems.Prestige Comfort System is the easiest-to-use programmable thermostat line available. Features include: 7 Day Programming wizard, Multi-Language Options and USB setup. Prestige is RedLINK enabled and can be used with compatible wireless accessories.

1. THX9321R5000
2. YTHX9321R5003
3. YTHX9321R5012
4. THX9321R1008
5. YTHX9321R1000
6. YTHX9321R1011

B. VisionPRO IAQ Total Home Comfort System with Temperature, Humidification, Dehumidification, and Ventilation Control.

7. THM5421C1008
8. TH9421C1004
9. YTH9421C1002
10.YTH9421C1010

C. VisionPRO 8000 is a universal effortless-to-use 7-day programmable thermostat line which features a large touch screen display. Automatically updates the time for daylight savings and keeps time/holds programming during the event of a power failure.

11.TH8110U1003
12.TH8320U1008
13.TH8321U1006
14.TH8321U1097

D. Wireless RF Communicating Thermostats

15.T8635L1013

E. FocusPRO 6000 offers the perfect blend of features, performance and value. With the largest backlit screen in its class and an easy-to-read digital display, FocusPRO%u2122 6000 prominently displays both room and set temperature.

16.TH6110D1005
17.TH6110D1021
18.TH6220D1002
19.TH6220D1028
20.TH6320U1000

F. Honeywell PRO Programmable Thermostats

21.TH4110D1007
22.TH4210D1005
23.TH2110D1009
24.TH2210D1007

G. Honeywell Line Volt PRO Programmable Thermostats

25.TL6120A1016
26.TL8130A1005
27.TL8230A1003

About Us: DtiCorp.Com (http://www.DtiCorp.com) carries more than 35,000 HVAC products, including industrial, commercial and residential parts and equipment from Honeywell, Johnson Contols, Robertshaw, Jandy, Grundfos, Armstrong and more. Our online catalog is easy to navigate and search, and all products have a picture and a description. If a customer has any questions about a product, they can call 800-757-5999 and speak with one of our product experts. Our mission is to offer the best prices anywhere to our customers.

Julian Arhire
Manager DtiCorp.com
Phone: 954.298.2515
Fax: 954.206.0767
Web: http://www.DtiCorp.com

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DtiCorp.com , Honeywell, Programmable Thermostat, THX9321R5000, YTHX9321R5003, YTHX9321R5012

Fort Lauderdale, FL - Popular Honeywell online retailer DtiCorp com is introducing 7 brand new Honeywell C7061 Dynamic self-checking flame detectors used with R7861 Dynamic Self-check Amplifiers for sensing the ultraviolet radiation generated by the combustion of gas, oil, or other fuels. The C7061 is a dynamic self-checking flame detector for sensing the ultraviolet radiation generated by the combustion of gas, oil, or other fuels. This flame detector is available in two versions: model C7061A for use in Standard applications, and model C7061F for use in installations requiring explosion-proof packaging. The flame detector is designed for use with either, R7061 Dynamic Self-Check Ultraviolet amplifier and R4348 Flame Switch or with R7861A Dynamic Self-Check Ultraviolet amplifier and 7800 SERIES Burner Programmers. These configurations provide a closed-loop, self-checking circuit which insures the integrity of both amplifier and flame detector. Improper response simulated flame loss results in a safety shutdown and/or alarm.

DESCRIPTION

The C7061A1020 and C7061F1003 detector models are identical except for housings. Model C7061F detector is for use in installations requiring explosion proof packaging. The housing is conform the EExd IIC T6 classification. More details for the explosion proof housing can be found in the chapter Standards and Approvals. The C7061F model has a 1-inch NPT tapping for mounting onto a sight pipe. The terminal block on both models is of wire clamp type with removable screws and is situated in the compartment of the C7061. The UV cell contains an ultraviolet sensing tube, shutter assembly, terminal block and magnifying lens. The UV sensor can be mounted from the programmer/flame switch up to a length of 300 m.

FEATURES

* Oscillating shutter interrupts ultraviolet radiation reaching the UV sensor to provide the UV sensor tube checking function.
* Can be mounted horizontally, vertically or at any angle in between.
* The detector requires faceplate alignment and has integral locating reference points to assure proper operation of the shutter mechanism.
* Field replaceable ultraviolet sensing tube and quartz viewing window.
* Models with threaded conduit fitting and color-coded leadwires allow rapid electrical installation.
* C7061A1038 or A1046 5 pin Brad Harrison type (formally 41307N)mating connector not supplied nor available through Honeywell.
* Two detectors can be wired in parallel to reduce nuisance shutdowns in difficult flame sighting applications.
* Protective heat block built into mounting flange.
* -40 F (-40 C) rated ultraviolet sensing tube is supplied.
* C7061E meets NEMA 4 standards with viewing window rated to 20 psi.
* C7061F has an explosion-proof housing for use in hazardous atmospheres with a viewing windor rated to 100 psi.

Models available:

1. Honeywell C7061A1004, 120 Vac Flame Sensor, Ultraviolet, Purple Peeper, Self-Checking

2. Honeywell C7061A1012, 120 Vac Flame Sensor, Ultraviolet, Purple Peeper, Self-Checking

3. Honeywell C7061A1020, 120 or 230 Vac Flame Sensor, Ultraviolet, Purple Peeper, Self-Checking

4. Honeywell C7061A1038, 120 Vac Flame Sensor, Ultraviolet, Purple Peeper, Self-Checking

5. Honeywell C7061A1046, 120 Vac Flame Sensor, Ultraviolet, Purple Peeper, Self-Checking

6. Honeywell C7061A1053, 120 Vac Flame Sensor, Ultraviolet, Purple Peeper, Self-Checking

7. Honeywell C7061F2001, 120 Vac Flame Sensor, Ultraviolet, Purple Peeper, Self-Checking

About Us: DtiCorp com carries more than 35,000 HVAC products, including industrial, commercial and residential parts and equipment from Honeywell, Johnson Contols, Robertshaw, Jandy, Grundfos, Armstrong and more. Our online catalog is easy to navigate and search, and all products have a picture and a description. If a customer has any questions about a product, they can call 800-757-5999 and speak with one of our product experts. Our mission is to offer the best prices anywhere to our customers.

Julian Arhire
Manager DtiCorp com
Phone: 954.298.2515
Fax: 954.206.0767

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DtiCorp com, Honeywell, C7061, Dynamic self-checking flame detector, C7061A1004, C7061F2001

Fort Lauderdale, FL - Popular Honeywell online retailer DtiCorp.com is introducing 16 Honeywell L4006 Aquastat Controllers.

DESCRIPTION

Aquastat® Controllers are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required.

FEATURES

%u2022 Totally enclosed Micro Switch%u2122 snap-acting switches operate on temperature rise to setpoint.
%u2022 Visible control point scale and external adjustment screw permit easy setting.
%u2022 Horizontal or vertical insertion of the sensing element.
%u2022 Direct or well immersion of the sensing element.
%u2022 Models available for strap-on mounting.
%u2022 Remote bulb model may be used to sense air temperature in ducts and in outside air sensing applications.
%u2022 TRADELINE models include heat-conductive compound.
%u2022 Select models have wells.

SPECIFICATIONS

%u2022 Description: High or Low limit Aquastat Controller with 100 F to 240 F operating temperature and 5 F fixed differential
%u2022 Application: High or Low limit
%u2022 Bulb Size (in.): 3/8 in. x 2 7/8 in. copper
%u2022 Bulb Size (mm): 10 mm x 73 mm copper
%u2022 Well Spud Size (in.): 1/2 in. NPT
%u2022 Well Spud Size (mm): 13 mm NPT
%u2022 Capillary Length (in.): 1 1/2 in.
%u2022 Switching Action: SPST, contacts break on temperature rise.
%u2022 Operating Temperature Range (F): 100 F to 240 F
%u2022 Operating Temperature Range (C): 38 C to 116 C
%u2022 Electrical Ratings (millivolt): 0.25 A @ 0.25 to 12 Vdc
%u2022 Electrical Ratings (Full Load): 5.1A @ 240 Vac; 8A @ 120 Vac
%u2022 Electrical Ratings (Locked Rotor): 30.6A @ 240 Vac; 48A @ 120 Vac
%u2022 Electrical Ratings (AFL): 8A @ 120 Vac
%u2022 Electrical Ratings (AFL): 5.1A @ 240 Vac
%u2022 Electrical Ratings (ALR): 48A @ 120 Vac
%u2022 Electrical Ratings (ALR): 30.6A @ 240 Vac
%u2022 Differential Temperature (F): 5 F Fixed
%u2022 Differential Temperature (C): 3 C fixed
%u2022 Maximum Ambient Temperature (F): 150 F
%u2022 Maximum Ambient Temperature (C): 66 C
%u2022 Case Dimensions (in.): 5 5/8 in. high x 2 in. wide x 2 1/8 in. deep
%u2022 Case Dimensions (mm): 143 mm high x 51 mm wide x 54 mm deep
%u2022 Mounting: Horizontal or Vertical
%u2022 Approvals, Underwriters Laboratories Inc: UL Component Recognized File No. MP466, Vol. 6, Sec.1, Guide No. MBPR2
%u2022 Approvals, Canadian Standards Association - Certified: File No. LR95329-1
%u2022 Approvals, American Gas Association IAS: AGA Certified
%u2022 Includes: 1/2 in. well - 123869A
%u2022 Capillary Length (mm): 38 mm

Models available:

1. L4006A1009 High or Low limit Aquastat Controller with 100 F to 240 F operating temperature and 5 F fixed differential
2. L4006A1017 High or Low limit Aquastat Controller with 100 F to 240 F operating temperature and 5 F to 30 F adj. differential
3. L4006A1132 High or Low limit Aquastat Controller with 100 F to 240 F operating temperature and 5 F fixed differential
4. L4006A1678 High or Low limit Aquastat Controller with 100 F to 240 F operating temperature and 5 F to 30 F adj. differential
5. L4006A1959 High or Low limit Aquastat Controller with 100 F to 240 F operating temperature and 2 F fixed differential
6. L4006A1967 High or Low limit Aquastat Controller with 100 F to 240 F operating temperature and 5 F to 30 F adj. differential
7. L4006A2007 High or Low limit Aquastat Controller with 100 F to 240 F operating temperature and 5 F to 30 F adj. differential
8. L4006B1007 Circulator Aquastat Controller with 100 F to 240 F operating temperature, 5 F fixed Differential
9. L4006B1155 Circulator Aquastat Controller with 100 F to 240 F operating temperature, 5 F to 30 F adj. Differential
10.L4006B1163 Circulator Aquastat Controller with 100 F to 240 F operating temperature, 5 F to 30 F adj. Differential
11.L4006E1067 High Limit; Manual Reset Aquastat Controller with 130 F to 270 F operating temperature
12.L4006E1091 High Limit; Manual Reset Aquastat Controller with 130 F to 270 F operating temperature
13.L4006E1109 High Limit; Manual Reset Aquastat Controller with 130 F to 270 F operating temperature
14.L4006E1117 High Limit; Manual Reset Aquastat Controller with 100 F to 240 F operating temperature
15.L4006E1125 High Limit; Manual Reset Aquastat Controller with 100 F to 200 F operating temperature
16.L4006H1004 High Limit strap-on mounting Manual Reset Aquastat Controller with 100 F to 240 F operating temperature

About Us: DtiCorp.com carries more than 35,000 HVAC products, including industrial, commercial and residential parts and equipment from Honeywell, Johnson Contols, Robertshaw, Jandy, Grundfos, Armstrong and more. Our online catalog is easy to navigate and search, and all products have a picture and a description. If a customer has any questions about a product, they can call 800-757-5999 and speak with one of our product experts. Our mission is to offer the best prices anywhere to our customers.

Julian Arhire
Manager DtiCorp.com
Phone: 954.298.2515
Fax: 954.206.0767

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DtiCorp.com, Honeywell, Aquastat Controller, L4006E1125, L4006H1004, L4006A1009