the 903404 combustion fan assembly comes as a complete kit

ensuring that system faults are addressed before resuming operation

the bimetal contacts inside the sequencer are likely stuck or failed

this round-style unit features integrated wire leads

Precision Fit: Specifically machined for Reznor SC350 and SC400 models to ensure zero-clearance alignment

Schneider Electric (Barber Colman) AV-300 Kit 30067439-890 the 903404 combustion fan assemblyThe 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