York Parts S1-2940A3541 Gas Furnace Transformer

York Parts S1-2940A3541 Gas Furnace Transformer delivers reliable 24V control power for your furnace. This 120V input transformer provides a 24V secondary at 40 VA, operating at 50/60 Hz to support modern furnace relays and control boards.

Designed as a genuine York parts replacement, it fits a range of York gas furnace models and other HVAC systems that require a 24V control transformer, making it an ideal furnace transformer replacement for technicians and DIY enthusiasts.

• 120V input and 24V secondary output
• 40 VA power rating for stable furnace control
• 50/60 Hz compatibility for US electrical systems
• Genuine York parts replacement for gas furnaces
• Compact, durable design for easy installation

Ideal for upgrades, replacements, or new installations, this York transformer supports reliable ignition, consistent blower operation, and safe furnace control circuits.