Lennox 28G80 Limit Switch leak-proof seal at the blind

leak-proof seal at the blind flange or main valve junction

Is the HH12ZB190 compatible with Payne and Bryant furnaces

Simplified Service: Designed for rapid installation via the regulator's union nut connection

Does this valve require specific brazing techniques

F and closes at 140

Lennox 28G80 Limit Switch leak-proof seal at the blindThe Lennox 28G80 Limit Switch is a critical safety component designed for precise thermal regulation within residential and commercial HVAC systems. This genuine OEM replacement part is engineered to monitor heat exchanger temperatures, effectively preventing equipment damage by breaking the electrical circuit if internal temperatures exceed safety thresholds. As a 110 150F auto limit switch, it is calibrated to actuate at a 150F cutout and