Lennox 25W71 Gasket R-22 it interrupts the gas valve

it interrupts the gas valve or heating circuit once internal temperatures reach the 160°F threshold

this unit eliminates the labor-intensive wire-mapping typically associated with multi-zone HVAC systems

single-throw (SPST) normally open switch calibrated to close at -1

000 BTU/hr or a total combined load of 600

Lennox 25W71 Gasket R-22 it interrupts the gas valveThe Lennox 25W71 Gasket is a critical OEM replacement part designed specifically for sealing the collector box cover in high efficiency Lennox furnaces. As a veteran tech knows, a compromised seal at the secondary heat exchanger leads to pressure switch trips and dangerous flue gas leakage. This precision engineered furnace collector box gasket (also indexed under 100742 01) ensures an airtight, negative pressure environment required for the draft