and 848577

Will this work on a 5/8" motor shaft

The alloyed metal construction and corrosion-resistant finish prevent premature failure caused by technical stress and environmental exposure

4 Square Inch Diaphragm Area

For most oil-fired heating appliances

McDonnell & Miller 157S-A Controller Els PW 17895 and 848577The McDonnell & Miller 157S A (Part Number 173702) is a heavy duty combination low water cut off and pump controller designed specifically for commercial and industrial steam boiler applications. Featuring a snap acting SPDT switch, this unit ensures precise control over water levels and reliable burner cutout during low water conditions. The 157S A model includes alternate tappings, providing versatile installation options for equalizing pipes and