this copper thermowell features a standard shank with a 3-1/2" insertion length

Never bypass a vent safety switch

including this 30 amp contactor

Key Benefits: Precise Pressure Control: Delivers a calibrated 4-12 inches water column range for medium-pressure gas applications

Lennox 27K16 Limit Switch Els PW 17895 this copper thermowell features aThe 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,