Rheem-Ruud 42-102056-03 Pressure Switch Els PW 17895 this furnace safety switch prevents

this furnace safety switch prevents hazardous flue gas buildup by monitoring critical venting pressure

Veteran technicians know that a warped or corroded furnace back plate can lead to vacuum leaks

and C9MPT100J16A1

Can I use this relay to replace a SPDT or single-pole relay

Correct installation requires the flow to follow the arrow embossed on the valve body to ensure the pilot-operated piston seats correctly

Rheem-Ruud 42-102056-03 Pressure Switch Els PW 17895 this furnace safety switch preventsThe Rheem Ruud 42 102056 03 Dual Pressure Switch is a critical safety component designed for high efficiency gas furnaces, including the RGRM series and models from Weather King and Corsaire. This OEM replacement pressure switch features a dual sensing configuration calibrated to specific trip points: 0. 86" W. C. and 1. 20" W. C. As a normally open switch, it monitors the vacuum created by the inducer motor to ensure proper venting and combustion