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Precision Pressure Control: Pre-set to 1
ensuring drop-in compatibility for legacy Barber Colman and TAC infrastructures
reducing diagnostic time for field contractors
this valve features a 3/4" NPT connection and a full 3/4" orifice
McDonnell & Miller 157S-M Pump Controller 30067439-890 Precision Pressure Control: Pre-set toThe McDonnell & Miller 157S M (Part Number 175402) is a professional grade combination low water cut off and pump controller designed for commercial and industrial steam boiler applications. This model is engineered with a built in water column and includes an integral manual reset mechanism, a critical safety requirement for many jurisdictional codes. By utilizing a durable monel bellows, the unit maintains high corrosion resistance and high
