Lennox 63W57 Pressure Switch Els PW 17895 093" male pin connection and

093" male pin connection and includes all necessary hardware for universal mounting applications

Durable Sealing: Equipped with a soft metal seat and a stuffing box to maintain a leak-proof seal during pressure spikes

protecting delicate internal windings from excessive heat

Featuring a 3/4" FNPT inlet and a 3/4" MNPT union tailpiece

Electrical Integrity: Rated for low-voltage control circuits typical in many York

Lennox 63W57 Pressure Switch Els PW 17895 093" male pin connection andThe Lennox 63W57 Pressure Switch is a critical genuine OEM component engineered for precise furnace diagnostic monitoring. This SPST furnace pressure switch is factory calibrated with a 0. 55 . 95" WC pressure rating, ensuring the inducer motor provides sufficient draft for safe combustion. As a direct replacement for Lennox 56M22, the 63W57 eliminates compatibility guesswork during emergency service calls. It functions as a safety interlock,