Utica-Dunkirk 127000007 Fan Cycling Switch 340155-7024 This prevents hard light-offs and

This prevents hard light-offs and reduces stress on the heat exchanger

This part is used across several Amana and Goodman high-efficiency furnaces

Plug-and-Play Setup: Designed for 208-230V HVAC motors

Optimized Flow Control: The 1/2" x 7/8" ODF connection size ensures minimal turbulence and maintains rated capacity during high-demand operation

What are the signs of a cracked heat exchanger in a York furnace

Utica-Dunkirk 127000007 Fan Cycling Switch 340155-7024 This prevents hard light-offs andThe Utica Dunkirk 127000007 Fan Cycling Switch is a critical OEM component designed for high precision head pressure control in Dunkirk and Utica boiler systems. Engineered for reliability in hydronic heating applications, this pressure actuated switch monitors system temperature and pressure to cycle the fan, preventing rapid short cycling and maintaining optimal combustion efficiency. By regulating fan operation, the 127000007 ensures that the heat