Schneider Electric (Barber Colman) 2390-501 Gradual Switch Refrigerant System Acid Clean-up: Integrated desiccant

System Acid Clean-up: Integrated desiccant core effectively neutralizes acids and captures moisture to prevent system acidification

maintaining the 12 PSI factory pre-charge and preventing waterlogging

Compatibility: Direct field replacement for older White-Rodgers M20 and 104484A hardware

utilizing this genuine Nor East part maintains the original flow characteristics and pressure rating of your 2-1/2 or 3-inch valve body

Schneider Electric (Barber Colman) 2390-501 Gradual Switch Refrigerant System Acid Clean-up: Integrated desiccantThe 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