872-006

This premium 120V to 24V 40VA step-down transformer is a vital electrical component designed for residential heating and cooling systems. By converting standard high-voltage household electricity into low-voltage power, it provides the necessary energy to run thermostats, furnace control boards, gas valves, and ignition modules. If your HVAC system is failing to start or your thermostat is losing power, a faulty control transformer is often the culprit. This robust replacement part is engineered for durability and consistent voltage output, ensuring your furnace or air handler operates reliably throughout the season. It is a common solution for restoring functionality to climate control circuits and protecting sensitive electronic components from power fluctuations.
Type: Electrical Transformer
Size: Standard 40VA
Dimensions: unknown × unknown × unknown
Application: Used primarily in HVAC systems including gas furnaces, electric air handlers, and heat pump control circuits to provide low-voltage power to thermostats and relays.
Specifications: Primary Input: 120V AC; Secondary Output: 24V AC; Power Rating: 40VA; Configuration: Step-down transformer