the bimetal contacts inside the sequencer are likely stuck or failed

It is compatible with heat pump systems involving auxiliary or emergency heat

ideal for high-temperature boiler water level controls

ensuring that system faults are addressed before resuming operation

Schneider Electric (Barber Colman) AV-300 Kit 30067439-890 the bimetal contacts inside theThe Schneider Electric AV 300 is an essential Valve Linkage Common Parts Kit specifically engineered for technicians maintaining Barber Colman legacies. This kit is built to support AV 21 through AV 30 linkage series, ensuring seamless field assembly when pairing gear train actuators with VB 7XXX and VB 9XXX valve bodies. By utilizing professional grade components, the AV 300 provides the necessary hardware to maintain precise HVAC valve control and