While reducers are physically possible

Internal Regulation: Allows for reliable performance even when powered by unregulated power supplies

a NEMA 4 or 4X rated enclosure would be required

making it ideal for regulating hot water

What does it mean if the diagnostic LED is flashing

McDonnell & Miller 328100 Replacement Casting Refrigerant While reducers are physically possibleThe McDonnell & Miller 328100 is an authentic OEM replacement casting specifically engineered for the 157 R Series low water cut off and pump controllers. This heavy duty 157 R casting provides the structural foundation for your float chamber, ensuring a pressure tight seal in high demand residential, commercial, and industrial steam boiler applications. In the field, these castings are critical for maintaining system integrity when original housings