Lennox 51M75 Limit Switch 340155-7026 Performance Restoration: Corrects common failure

Performance Restoration: Corrects common failure points like "relief valve spitting" or the inability to hold a 2

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

Capacitors are generally sold separately

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

the T22BBC-1 features a rugged steel cover with a "Tawny Silver" baked enamel finish and a distinct Auto-Off-Fan selector switch

Lennox 51M75 Limit Switch 340155-7026 Performance Restoration: Corrects common failureThe 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