Leak Prevention: Eliminates bypass and external leaks to maintain system pressure and protect peripheral HVACR components

Designed as a direct OEM replacement part

though this specific standard flame pattern kit is primarily utilized for standing pilot and intermittent pilot ignition retrofit applications

the sensor bulb dimensions are optimized for standard 3/8" x 1-1/4" immersion wells for maximum heat transfer

While light oxidation can sometimes be removed with a fine abrasive pad

York S1-2940-3151 Pressure Switch Els PW 17895 Leak Prevention: Eliminates bypass andThe York S1 2940 3151 Pressure Switch is a critical safety component designed for specific York, Luxaire, and Coleman gas fired furnaces. Calibrated to a . 3" WC set point, this SPST (Single Pole Single Throw) normally open switch monitors the pressure differential created by the inducer motor to ensure proper venting before the ignition sequence begins. It serves as a direct OEM replacement for older York furnace pressure switches, maintaining the