Honeywell THM5421R1021 IAQ Equipment Interface Module

Product Information

Honeywell is the backbone of the HVAC industry, helping to improve the lives of consumers by providing innovative, cutting-edge solutions. Highly compatible with the Honeywell Prestige IAQ System, the THM5421R1021 module saves you time and money.

Understanding the importance of quality and reliability, we supply an extensive selection of energy-efficient heating equipment for sale, as well as energy-efficient HVAC equipment designed to elevate the functionality and efficiency of existing systems. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.From bathroom and kitchen products to pre-assembled installation kits and behind-the-wall products, you can count on Stream33 for convenience, quality and value. My current Honeywell visionPRO IAQ (TH9421C1004) thermostat is not working as the touchscreen is somewhat dead and unresponsive. The Equipment Interface Module controls up to 4-stages of heat and 2-stages of cool in a heat pump system and up to 3-stages of heat and 2-stages of cool in a conventional system. The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products.

This lightweight and highly reliable Equipment Interface Module comes with a UPC code of 085267328180. These facts led me to worry that connecting both at the same time might be incorrect and damage my stat. Use the Resideo Pro App to install T6 Pro Smart Thermostat in homes, which will associate those homes to your company.At Cold Air Central, we pride ourselves on being a trusted authority in the world of HVAC supplies, equipment, and parts. Right now there are absolutly no wires connected between the stat and the furnace or the equipment interface module. Still it could well be that this lithium battery keeps the programming intact also and the alkaline batteries power the communications, I don't know. Cold Air Central is a HVAC and refrigeration supply company providing a wide range of supplies for HVAC installers, HVAC contractors, and HVAC company repair person and as well as local, state and federal government.

However when I checked the thermostat terminals for 24V with my own meter I was still not seeing this voltage. With 31 Famous Supply locations in Ohio, western Pennsylvania, and West Virginia, your local Famous counter has everything you need to help you get your project done. To learn about our use of cookies and how you can manage your cookie settings, please see our Cookie Policy. The Honeywell Prestige 2-Wire IAQ Equipment Interface Module delivers easy, reliable connection to your home HVAC system. Gas, Oil, Electric, Heat Pump, Forced Warm Air, Hot Water, Steam Or Gravity Application, Up To 3 Heat 2 Cool Heat Pump Or Up To 2 Heat 2 Cool Conventional Stages, For Use With Wireless FocusPRO Thermostats.Whether you're in need of HVAC troubleshooting parts for a system that's not cooling, seeking out seasonal HVAC maintenance kits for summer AC repair parts and winter heating system upgrades, or simply looking for the best parts for AC repair and HVAC upgrade kits online, Cold Air Central is your go-to source. Our inventory includes everything from air conditioner fan motors, compressor parts for HVAC, HVAC filter replacements, to thermostat components for heating systems.

This statement makes me think that both the 24VAC and the batteries can be connected at the same time because of the backup reference, but I'm not sure. This dependable module uses advanced communication protocols that help improve control of the HVAC system. The zone consists of two rooms with different temperatures in them, so we wanted to replace it with a thermostat capable of taking a reading from a remote sensor. I suspect it is OK and even preferrable to do so and it sounds like jtrammel has already done this without any problems.They design and manufacture products that allow buildings to be cooled, heated, ventilated, and humidified. Please let me know if you have other questions or concerns as I will be locking this in 24 hours if I won't hear back from you again. Check with your company admin to get an invite to your company's profile, then create your own account.