Lennox 27K16 Limit Switch Els PW 17895 and moisture from entering the

and moisture from entering the system and damaging the valve core

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Should I replace this gasket every time I pull the burner

Critical Safety Cutoff: Automatically breaks the electrical circuit at 240°F to prevent hazardous overheating

Secure Operation: The blow-out proof stem design prevents catastrophic failure under extreme pressure spikes

Lennox 27K16 Limit Switch Els PW 17895 and moisture from entering theThe Lennox 27K16 is a heavy duty automatic reset limit switch specifically engineered for Lennox furnace and air handler applications. This critical safety component features a factory set thermal range designed to open at 175F and automatically close at 145F, effectively maintaining a 30F differential to prevent heat exchanger overheating. As a genuine OEM replacement part, the 27K16 ensures seamless integration into existing Lennox HVAC systems,