Lennox 10M80 Limit Switch 326058-757 using genuine McDonnell & Miller

using genuine McDonnell & Miller parts ensures the timing and flow rates remain within factory spec for maximum boiler system protection

Key Benefits OEM Compatibility: Replaces S1-024-31954-000 without requiring modification

Utilizing Setra's patented capacitive sensing technology

ensuring seamless integration into existing terminal unit or air handling architectures

provide sufficient length for routing through the burner pan to the gas control valve without causing thermocouple lead tension or interference

Lennox 10M80 Limit Switch 326058-757 using genuine McDonnell & MillerThe Lennox 10M80 is a critical safety component designed for precise thermal regulation within residential gas furnaces and air handlers. This high temperature limit switch operates as a normally closed contact that opens when internal plenum temperatures reach the designated safety threshold. Featuring a 100 140F AUTO reset configuration, this sensor is engineered to interrupt the heating circuit should the unit exceed safe operating temperatures,