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Simple Installation: Standard 7/8-inch duct cutout with an integral gasketed flange simplifies mounting on sheet metal ducts
Voltage Compatibility: Designed specifically for 240V solenoid valve applications
Broad Fluid Range: Rated for a specific gravity range of 0
this unit features a 1-inch bore
McDonnell & Miller 93-M Pump Controller 30067439-890 Simple Installation: Standard 7/8-inch ductThe McDonnell & Miller 93 M is a commercial grade combination low water cut off and pump controller designed specifically for steam boiler applications. Engineered for systems with a maximum steam pressure of 150 PSI, this unit features dual snap acting manual reset SPDT switches. These switches provide decisive electrical contact, preventing the rapid cycling or "chattering" often found in mercury free alternatives during turbulent water level
