Lennox 56W22 Limit Switch 322056-301 Rugged Construction: Built with high-grade

Rugged Construction: Built with high-grade materials to withstand the thermal cycling common in industrial HVAC high-temperature safety applications

ensuring a constant superheat and preventing liquid floodback—a critical factor in extending compressor life

is a high-performance externally equalized thermal expansion valve designed for precision refrigerant flow control in medium temperature applications

resulting in zero steady-state air consumption

you must match the specific temperature ratings and mounting depth

Lennox 56W22 Limit Switch 322056-301 Rugged Construction: Built with high-gradeThe Lennox 56W22 Limit Switch is a critical safety component designed for precise thermal regulation within residential gas furnaces and air handlers. Engineered with a fixed temperature setpoint ranging from 135 165F, this auto reset furnace limit switch prevents heat exchanger damage and hazardous venting conditions by interrupting the burner circuit when internal plenum temperatures exceed safety thresholds. For service technicians, the 56W22