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this model is an automatic reset pressure control
featuring a 3/4" sweat connection
you will require a different packing series to ensure proper seating
Why is the BTU rating significant for this relief valve
Is the 626425R a direct fit for the older 626425 model
McDonnell & Miller 309200 Switch R-410A this model is an automaticThe McDonnell & Miller 309200 is an industrial grade 11 MV Millivolt Switch specifically engineered for low water cut off (LWCO) control in steam boiler applications. This millivolt replacement switch is the standard for technicians servicing McDonnell & Miller Series 61, 64, 67, 69, 70, 764, and 767 units. Featuring a Two SPST Auto Reset configuration, the 11 MV provides dual circuit control, allowing contractors to manage both the burner circuit and
US$ 35.28
US$ 169.95
US$ 124.97
