The Resideo AT140A1000 Transformer is a reliable 120V to 27V step-down transformer designed to provide stable low-voltage power for HVAC controls. Delivering 40VA, it supports thermostats, zone valves, relays, and furnace or boiler control circuits. The transformer works by converting line voltage to a safe control voltage, ensuring consistent system operation. Its durable construction and dependable output help improve equipment performance, reduce electrical strain, and enhance overall system reliability in residential and light commercial heating and cooling applications.
For an efficient and reliable HVAC system, the Resideo Transformer is a great choice for optimal system performance.
#Resideo #ResideoParts #Transformer #AT140A1000 #HVACParts #FurnaceParts #AirConditionerParts
Sales - Resideo AT140A1000 Transformer 120V-27V Second 40VA
Published on November 13, 2025
Published by partshnc
Viewed by 10 people
Description of item
Location
Country
United States
Region
IL
City
Chicago
Address
700 Nicholas BLVD Suite 105 Elk Grove Village IL 6
Seller information
Name
partshnc
Phone
8667730XXX
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Location
Chicago in IL, United States
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