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05-11-2011, 01:22 PM #1
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combustion air for power vented WH
New construction today - had a high efficiency gas water heater in a small closet. It power vented through the roof. There was only one vent for combustion air, up above the door.
There has to be a second vent down by the floor, right? The fact that the WH is power vented has no bearing on this requirement?
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"There is no exception to the rule that every rule has an exception." -James Thurber, writer and cartoonist (1894-1961)
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05-11-2011, 01:46 PM #2
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Re: combustion air for power vented WH
Here's a pic
"There is no exception to the rule that every rule has an exception." -James Thurber, writer and cartoonist (1894-1961)
www.ArnoldHomeInspections.com
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05-11-2011, 02:17 PM #3
Ray Norton Guest Re: combustion air for power vented WH
Right you are. If combustion air is not piped in the high/ low vents are required.
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