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System Protection: Captures large debris to prevent damage to expensive ionizing wires and internal collection cells
Each switch assembly is housed in a plated metallic enclosure with a silicone diaphragm and a dedicated calibration spring
preventing premature wear in high-cycle fluid control applications
Durable Encapsulation: Protects internal windings against moisture
Specifically designed for the Parker Refrigerating Specialties S4A solenoid valve with a 1 1/4 inch port size
McDonnell & Miller 7-B Switch Els PW 29614 System Protection: Captures large debrisThe McDonnell & Miller 7 B Switch (Part Number 110800) is a critical component for specialized boiler control systems requiring potentiometer proportional control. This auto reset low water cut off switch is engineered to work in tandem with Series 93 and 94 pump controllers, providing precise positioning for modulating valves and ensuring consistent water levels in commercial steam applications. Unlike standard snap action switches, the 7 B utilizes