depot pull
Pay in 4 interest-free payments of $20.40 Learn more
Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
The Intermatic FM/1STUZ-240U is a heavy-duty
Automatic Reset Functionality: Features a self-resetting mechanism that restores circuit continuity once temperatures drop below the 300°F cutout
Designed for utility and precision
the internal thermal fuse or windings have likely failed
Built with a durable silicone diaphragm and a rugged zinc-plated steel housing
Lennox 88K90 Pressure Switch Els PW 17895 The Intermatic FM/1STUZ-240U is 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