McDonnell & Miller 150S-M Pump Controller Refrigerant Technicians should verify the WC

Technicians should verify the WC rating and normally open contacts during diagnostic cycles to prevent inducer motor pressure switch lockout

fitting the same performance profile with a modernized 4

While they are designed for longevity

Broad Compatibility: Services a wide range of York-family equipment

McDonnell & Miller 150S-M Pump Controller Refrigerant Technicians should verify the WCThe McDonnell & Miller 150S M is a commercial grade float type combination low water cut off and pump controller designed for steam boilers in high pressure industrial applications. Engineered for systems with a maximum pressure of 150 psi, this unit features a manual reset mechanism, ensuring that the burner circuit remains locked out following a low water event until a technician can verify the system's safety. The internal Monel bellows provides