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The NEMA 1 enclosure (IP40 rated) and flat profile design allow for mounting in ultra-confined spaces with minimal side clearance
Improved Performance: Restores the valve's original "metallic click" and tight sealing to prevent hazardous leaks
featuring an outer circumference of 46 inches and a top width of 1/2 inch (A-section)
This differential pressure switch acts as an air proving switch
McDonnell & Miller 63-M Low Water Cut Off Refrigerant The NEMA 1 enclosure (IP40The McDonnell & Miller 63 M (Part Number 143100) is a heavy duty, float operated mechanical low water cut off designed for superior reliability in both hot water and steam boiler applications. Built for contractors who require a dependable safety interface, this unit features a manual reset mechanism and a robust No. 2 dual switch assembly. These switches provide simultaneous low water cut off protection and a dedicated circuit for an electric water
