Lennox 51M75 Limit Switch 340155-7026 Applying 115V will result in

Applying 115V will result in insufficient torque and potential motor failure

System Longevity: The electrostatic fiber construction protects the heat exchanger from debris

The assembly includes the 100111712 pilot burner and tubing

Capacitors are generally sold separately

and Day & Night commercial units

Lennox 51M75 Limit Switch 340155-7026 Applying 115V will result inThe Lennox 51M75 Limit Switch is a critical safety component designed for precise thermal regulation within residential gas furnaces and air handlers. This OEM Lennox replacement part operates with a fixed temperature range, featuring a 95 125F trip point with an automatic reset configuration. Engineered to monitor heat exchanger temperatures, the Lennox 51M75 prevents overheating by breaking the electrical circuit to the gas valve or blower motor if