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and EKC controllers
ensuring standard mounting and strike force
Whether you are performing a solenoid valve replacement or a new system retrofit
this 8940 kit is strictly for use with Williams brand gas valves
Always verify compatibility using the specific unit serial number to ensure a correct fit for your industrial or high-capacity system
Lennox 57W37 Limit Switch R-407A and EKC controllersThe Lennox 57W37 Limit Switch is a critical safety component designed for precise thermal regulation in residential and commercial furnaces. This genuine OEM Lennox replacement part features an auto reset mechanism, ensuring the system returns to standard operation once temperatures stabilize. Engineered as a normally closed circuit, the switch is calibrated to open on temperature rise at 170F and close on temperature drop at 140F, effectively
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