872-003

This premium 40VA step-down transformer is a vital electrical component used to convert standard 120V household line voltage into a safe, low-voltage 24V output. Specifically designed for HVAC systems, furnaces, and heavy-duty appliances, it provides the necessary power for control boards, thermostats, gas valves, and relays. If your heating or cooling system fails to trigger or the control circuit loses power, a faulty transformer is often the cause. This durable replacement ensures consistent energy flow and protects sensitive electronics within your appliance. Its 40VA rating provides high-capacity performance for multi-component systems, making it an ideal choice for both residential and commercial repair applications.
Type: Electrical Transformer / Control Transformer
Size: Standard 40VA
Application: Commonly used in residential furnaces, air conditioning units, air handlers, boilers, and water heaters to power low-voltage control circuits and thermostats.
Specifications: Primary Voltage: 120V AC; Secondary Voltage: 24V AC; Power Rating: 40VA; Frequency: 50/60Hz; Class 2 Transformer.