Lennox 88K90 Pressure Switch Els PW 17895 Automatic Reset Functionality: Features a

Automatic Reset Functionality: Features a self-resetting mechanism that restores circuit continuity once temperatures drop below the 300°F cutout

The Intermatic FM/1STUZ-240U is a heavy-duty

Designed for utility and precision

An "OL" reading indicates an open winding

Built with a durable silicone diaphragm and a rugged zinc-plated steel housing

Lennox 88K90 Pressure Switch Els PW 17895 Automatic Reset Functionality: Features aThe Lennox 88K90 Pressure Switch is a high precision, OEM furnace safety component factory calibrated for induction monitoring in residential and light commercial heating systems. This 0. 47" WC pressure switch utilizes a single pole single throw (SPST), normally open contact configuration, ensuring the combustion process only initiates when proper draft is established. Designed for universal compatibility with older systems, the 88K90 replaces part