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you must select a model within the Erie range that includes the SPDT auxiliary end switch
a missing solenoid spring
always confirm if additional crank arms or swivels are required for your specific field application
What is the material used for this mounting plate
McDonnell & Miller 42S-HD Controller THPU32HP7Y you must select a modelThe McDonnell & Miller 42S HD Controller is a high performance head mechanism only designed for seamless integration into existing Series 42 S float chambers. This replacement head mechanism is engineered for technicians who need to restore steam boiler safety without the labor intensive process of breaking down equalizing piping. Featuring SPST snap action switches, this controller provides high reliability low water cut off protection and precise