Schneider Electric (Barber Colman) AV-390 Valve linkage 30067439-890 an AT150F series model should

an AT150F series model should be used instead

excessive vibration at the blower housing

If the motor draws less than 4

the orifice must be sized correctly according to the furnace rating plate

Schneider Electric (Barber Colman) AV-390 Valve linkage 30067439-890 an AT150F series model shouldThe Schneider Electric (Barber Colman) AV 390 Valve linkage is a critical sub assembly designed for field integration of gear train actuators with VB 7XXX and VB 9XXX series valve bodies. This specialized AV 390 common parts kit includes a high precision cam, plunger, and stem extension kit, providing the essential mechanical interface required for effective fluid control in commercial HVACR systems. As a veteran grade valve linkage sub assembly, it