Always verify the detector model

you preserve the factory specifications of the burner ignition system and ensure safe heating operation throughout the season

maintaining critical alignment even during high-torque startup cycles

60" WC (Water Column) setpoint

this model serves as a universal replacement

Reznor 197030 Pressure Switch Els PW 17895 Always verify the detector modelThe Reznor 197030 Pressure Switch is a high performance HVAC combustion air pressure switch engineered specifically for gas fired unit heaters. This factory original OEM Reznor replacement part features a critical set point of . 40" wc (water column) with a Single Pole Single Throw (SPST) electrical configuration. Designed for precision, this 0. 40" WC pressure switch ensures your inducer motor generates the necessary vacuum to facilitate safe flue