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Key Benefits for Technicians Wide Span Compatibility: Optimized for large-scale duct widths (8 ft to 12 ft) where standard tubes fail to reach
maintaining the 12 PSI factory pre-charge and preventing waterlogging
making it compatible with both compressors and heating elements
please verify your existing capacitor's rating or replace it during installation to ensure proper start torque
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 Key Benefits for Technicians WideThe 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
