Schneider Electric (Barber Colman) 2390-501 Gradual Switch 30067439-890 Key Benefits Engineered for Compatibility:

Key Benefits Engineered for Compatibility: Drop-in replacement designed specifically for Reznor heating systems to eliminate field-modifications and ensure a perfect fit

this mechanical thermostat is rated for 120/208/240 VAC

High Flow Capacity: Supports appliances up to 230

Universal Compatibility: Interchanges with 48 cu

this Danfoss 24V coil will function as a direct drop-in replacement for the older 042N series

Schneider Electric (Barber Colman) 2390-501 Gradual Switch 30067439-890 Key Benefits Engineered for Compatibility:The 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