Gas wall furnace blower fan air control unit - noisy fan.
They have two of these gas wall heaters so we swapped this noisy unit for the fan unit in the other one that isn’t used – kids have left home.
Removing the front and back panels to get to the fan motor.
Removing the fan motor held with four screws.
Two connectors on the side panel, here removing the motor connector.
This is a capacitor start motor so that’s the reason it has more connecting wires.
The other connector is a chassis mounted power resistor for Lo-Hi fan speed control.
The bearings are gone, easy to tell by holding the actual motor and spinning the impeller.
No need to go any further; the bell housing is pressed on so the bearings are not replaceable. A changeover blower unit is like $350 – $400 ouch!
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