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Ships within 48 hours · Estimated delivery Oct 11 - Oct 16
Compatibility: Direct field replacement for older White-Rodgers M20 and 104484A hardware
maintaining the 12 PSI factory pre-charge and preventing waterlogging
Its bi-directional design eliminates installation errors by allowing flow in either direction
Key Benefits: OEM Compatibility: Specifically engineered for Carrier
Schneider Electric (Barber Colman) 2390-501 Gradual Switch Refrigerant Compatibility: Direct field replacement forThe 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
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