Rheem-Ruud 42-101443-91 Pressure Switch Els PW 17895 Key Benefits Universal Compatibility: Specifically

Key Benefits Universal Compatibility: Specifically designed for McDonnell & Miller Series 21

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Corrosion Resistance: High-grade stainless steel internal components resist wire-drawing and chemical degradation

Safety Focused: Allows for safe system testing during installation and servicing without live electrical exposure

Rheem-Ruud 42-101443-91 Pressure Switch Els PW 17895 Key Benefits Universal Compatibility: SpecificallyThe 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