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Under normal (cool) conditions
maintaining the 12 PSI factory pre-charge and preventing waterlogging
utilizing this genuine Nor East part maintains the original flow characteristics and pressure rating of your 2-1/2 or 3-inch valve body
Its bi-directional design eliminates installation errors by allowing flow in either direction
Schneider Electric (Barber Colman) 2390-501 Gradual Switch Refrigerant Under normal (cool) conditionsThe Schneider Electric 2390 501 Gradual Switch is a precision engineered pneumatic manual positioner designed for proportional control in commercial HVACR systems. Utilizing a reliable manual dial, this device allows technicians to modulate output pressure from 0 to 20 psig, providing direct control over pneumatic actuators, dampers, and valves. Built for durability and accuracy, the 2390 501 operates with a 20 psig main air pressure and delivers an 8
