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Pulse arcade — neon hairlines and corner brackets frame the playfield brief.
meaning it senses evaporator pressure at the valve outlet
An "OL" reading indicates an open winding
Built with a durable silicone diaphragm and a rugged zinc-plated steel housing
Common Questions: Can I use a 440V capacitor if my original was 370V
ensuring the pressure switch hose is clear of obstructions and the inducer housing is pulling the rated vacuum is essential before installation
Lennox 88K90 Pressure Switch Els PW 17895 meaning it senses evaporator pressureThe 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
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