Schneider Electric (Barber Colman) 2390-510 Position Switch R-410A reducing turbulence and soot buildup

reducing turbulence and soot buildup

restoring normal furnace operation without manual intervention

Attempting to adjust the set point may lead to safety failures or equipment damage

Common Installation Questions: Which probes are compatible with the 3B3B fitting

this Triple Pole Double Throw design is specifically used in Lennox equipment to manage multiple legs of a heating element or to interlock fan and heat functions simultaneously

Schneider Electric (Barber Colman) 2390-510 Position Switch R-410A reducing turbulence and soot buildupThe Schneider Electric (Barber Colman) 2390 510 is a specialized pneumatic minimum position switch designed for commercial HVAC systems requiring precise proportional action control. Engineered with an internal high pressure selector relay, this unit is specifically calibrated for a 10 psig span output, making it the industry standard for establishing a minimum ventilation air setpoint. By integrating this switch into your pneumatic circuit, you