Furnace Blower motor failure?

Old 12-22-02, 02:07 PM
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Furnace Blower motor failure?

Furnace hums, will not turn on. Motor will not spin the blower, but motor hums, tries to turn it, it starts to move a bit and then stops. Motor getting hot. I can turn blower by hand, there is some resistance.

Amana Air Command 80.

Motor is Fasco Industries 7021-7322 Type U21B
Cust P/N D69964-01

If I am right and the motor/blower needs to be replaced, where can I order parts from?

The only thing that didn't seem to dissassemble simply is that afer removing all the nuts around the perimeter of the black "blower housing" (for lack of knowing the correct terminolgy), the blower housing didn't separate from the vertical duct, it must bolt on somehow.

Thanks for your assistance.

(Sorry, didn't know there was a specific heating and cooling forum before I posted in the gas appliances forum.
Old 12-22-02, 03:14 PM
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Hmmm... Are you refering to the blower motor that circulates air thru the combustion chamber where the burners are or are you refering to the blower motor that circulates air thru the house. I'm guessing you mean the combustion air motor. From your description, it sounds like the motor is bad. You may want to first verify that the voltage supplying the motor is correct. You should be able to find a repalcement at an HVAC supplier like Johnstone Supply.
Old 12-22-02, 03:44 PM
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I wish I knew LOL! It's the motor that sits barely above the floor at the bottom of the furnace when you remove the cover/access panel. You can see it in the bottom of the attached image file:
Old 12-22-02, 03:48 PM
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I guess the forum doesn't allow picture uploads.

Here is a to link to the pic:


BTW, thank you for the reply. If you know of an online source to get the parts, that would be helpful.
Old 12-22-02, 07:48 PM
Join Date: Nov 2002
Location: Massachusetts
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motor replacement...

that is an inducer draft motor....pull it out, and bring it to Johnstone Supply Co. They should be more than willing to help you match up a replacement.

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