Plenum Rated Performance: Designed to meet UL 1995 requirements

Durable Construction: Built to withstand the harsh environments of mechanical rooms while maintaining calibration accuracy

Before resetting

For zero governor requirements

making it the standard replacement for the 221455A/U part number

Rheem-Ruud 42-101443-91 Pressure Switch Els PW 17895 Plenum Rated Performance: Designed toThe Rheem Ruud 42 101443 91 Pressure Switch is a mission critical safety component designed for RGRS and RGRT series furnaces. This OEM genuine factory authorized part features a precise 0. 60" WC (Water Column) setpoint, ensuring your high efficiency gas furnace maintains the correct inducer motor draft before ignition. Built with a Single Pole Single Throw (SPST) configuration, it provides a normally open contact that closes once the negative