Draft inducer /blower makes metal to metal grinding noise
SOURCE: I have a furnace that
Certainly wouldn't rule out the blockage as your friend suggests. Perhaps pulling it out, and a flashlight and if necessary a mirror to get a good look in there. May have to head up to top for a look as well. As long as blower sounds like it's running good speed wise.
SOURCE: I have a Lennox draft Inducer blower motor on my
I had blades break off on my inducer blower. It was a fairly simple fix. Ordered the part online.
SOURCE: I removed my Fasco 7021-11577S when the bearings
There should be a gasket between the mounting flange of the inducer motor and the furnace. If you do not have that you can use a small bead of blue or red silicone caulking to seal it. Hope this helps you. Thanks
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