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Power Vent Exhaust Clearance To Direct Vent Intake


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Many of the power vent water heater installation manuals I have reviewed call for the power vent exhaust termination to be 3' above any forced air inlet within 10' horizontally.

My question is - would the combustion air intake for a direct vent furnace be defined as "a forced air inlet"?

And if not...what are some examples of "forced air inlets"?

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My question is - would the combustion air intake for a direct vent furnace be defined as "a forced air inlet"?

Being that I'm a literal kinda guy I would say that the intake air for a direct vent furnace is forced air - little doubt that it's air and and it is being forced by a fan. As far as I can tell it'd be a neat trick to deny that.

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