Persistent ignition failure often indicates a depleted thermopile or a clogged LP orifice

and 1149657

375 inches including terminals)

maintaining the necessary pressure differential for safe combustion cycles

As a direct replacement for 1013801

Trane SWT4232 Pressure Switch Els PW 17895 Persistent ignition failure often indicatesThe Trane SWT4232 Pressure Switch is an essential OEM SPNO Dual Pressure Switch designed for high performance monitoring in residential and commercial HVAC systems. As a veteran grade Trane replacement part, it is the direct successor to legacy models including C341546P01, PPS10151 2883, and SWT02357. This dual stage assembly features precise calibration with a 0. 50" WC high side and 0. 17" WC low side setpoint, ensuring the inducer motor maintains