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Ships within 48 hours · Estimated delivery Sep 23 - Sep 28
Simplified Installation: J-box compatible design with no leveling required and no sub-base necessary for mounting
Always verify the port size and series prefix (V46A
ensuring the system remains in full compliance with local plumbing codes and safety regulations
or 250V unit
McDonnell & Miller 42S Controller THPU32HP7Y Simplified Installation: J-box compatible designThe McDonnell & Miller 42S Controller (Part Number 129302) is a critical float operated combination low water cut off (LWCO) and pump controller designed for residential, commercial, and industrial steam boilers. Engineered for systems with a separate water column, this steam boiler water level control features dual SPST snap action switches that provide reliable automatic reset functionality. The 129302 pump controller handles a maximum operating
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