the Rheem-Ruud 47-100955-01 is designed for a range of residential heat pumps

It features a magnetic clutch that protects the gear train from binding

Standard industry practice for the E3Point series recommends a visual inspection and bump test every 6 months to ensure the sensor filter is not blocked and the electrochemical cell remains responsive to gas

Does this sensor require re-calibration after range selection

to stop leaks at the source

McDonnell & Miller 51-HD Mechanism Els PW 29614 the Rheem-Ruud 47-100955-01 is designedThe McDonnell & Miller 51 HD Mechanism (Part Number 134900) is a heavy duty mechanical water feeder designed for low pressure steam and hot water boilers. Engineered for high capacity applications, this replacement water feeder head maintains precise water levels in vessels with a maximum pressure of 35 PSI. As a veteran technician knows, the heavy duty 51 HD series is built to withstand more demanding cycles than standard residential feeders,