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rpm

Paul S_3
Paul S_3 Member Posts: 1,289
in Gas Heating
can anyone tell me if the newer 90% plus warm air furnaces blower motor run at a higher rpm than the standard 1075 rpm....and if they do why??
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Comments

  • will smith_4
    will smith_4 Member Posts: 259
    hmmm

    higher than 1075? Unlikely. Higher efficiency units will typically have lower speeds based on demand; at "low fire", you'll have lower rpm-less demand-less required airflow, but that will vary as demand changes.

    Why do you ask?
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