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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
and S1-02425092000
For optimal sensitivity
This critical function prevents "nuisance switching" or flickering caused by transient light sources such as car headlights or lightning
Fast installation: Features 1/2" ODF copper sweat connections to simplify brazing in tight spaces
Lennox 49L91 Pressure Switch Els PW 17895 and S1-02425092000The Lennox 49L91 is a critical safety component designed for precise furnace draft monitoring within high efficiency heating systems. This OEM Lennox Pressure Switch (also identified as 49L9101) is factory calibrated to actuate at . 51" WC and reset at 0. 61" WC, ensuring the inducer motor maintains the necessary vacuum for safe combustion and flue gas venting. Featuring a SPST (Single Pole Single Throw) configuration and a standard 1 4" barb
