Schneider Electric (Barber Colman) 2390-501 Gradual Switch Els PW 17895 5 through 5

5 through 5

Fast Mounting: The 1/2" threaded hub and color-coded wires allow for secure

such as ignition failure

but it is standard practice to inspect and replace all mating seals to ensure airtight combustion

making it an excellent choice for heat pump systems that require precise flow control in both heating and cooling modes

Schneider Electric (Barber Colman) 2390-501 Gradual Switch Els PW 17895 5 through 5The 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