Professionals rely on the 100290352 spill switch functionality to protect the heat exchanger from damage caused by restricted flow or excessive scaling

Can this transformer be used in 120V applications

suitable for driving large relay banks

What is the purpose of the male conduit fitting

it thrives in demanding HVACR environments

Lennox 56W22 Limit Switch 319848-301 Professionals rely on the 100290352The 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