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updated version of the 312800
high-performance O-rings
making it a staple for contractors managing refrigeration pressure limiting requirements
making it a standard replacement in various industrial and commercial heating systems
McDonnell & Miller 193-A-1 Replacement Casting Freon updated version of the 312800The McDonnell & Miller 193 A 1 Replacement Casting is a primary structural component engineered specifically for the Series 193 low water cut off and pump controller. As a veteran technician knows, the integrity of the water column casting is vital for maintaining the 150 psi (10. 5 kg cm2) maximum pressure rating required by commercial and industrial steam boilers. This replacement boiler casting features precise 1" NPT connections for the main
