On Saturday, February 17, 2018 at 10:44:06 PM UTC-5, Zeke57 wrote:
replying to Henry77, Zeke57 wrote:
I have a 1993 model cmf power gas furnace, it can work fine flow days then the
blower motor just hums, and doesnt start when I spit the fan, can anyone help
me, please

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If it has a start /run cap, it could be bad.