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John, You Are Correct, But.....

Posted by Dodgeman on January 8th, 2003 06:00 PM
In reply to Cold air return by john on January 8th, 2003 11:15 AM [Go to top of thread]

Furnace manufacturers (fan suppliers) usually limit the maximum air flow by restricting the outlet of the squirrel cage blowers. If you look at the blower outlet you will usually see a baffle that is sized/adjusted to limit the airflow and horsepower required to drive the fan. In that way, there is no concern about the inlet restriction.

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