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01-20-2013, 02:43 PM #1
Matt Barenbrugge Guest
furnace/water heater venting together
I am working on a house where the furnace and hotwater heater are on the same vent. The vent from furnace and water heater are three inch. then they "Y" to a 6-7" double wall which makes sense to go through the floor and roof. Now here is where I am stumped. Above the floor behind a bathroom vanity the double wall reduces to four" then back to 6-7" before going through the attic. Is this OK?
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01-20-2013, 02:52 PM #2
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- Mar 2007
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- Plano, Texas
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Re: furnace/water heater venting together
No, not from what I envision.
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01-20-2013, 03:40 PM #3
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- Aug 2011
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- Bennett (Denver metro), Colorado
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Re: furnace/water heater venting together
The short answer is no.
If you choose not to decide, you still have made a choice.
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01-21-2013, 09:13 AM #4
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- Feb 2008
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- Chicago IL
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Re: furnace/water heater venting together
NO
Also the original connection may or may not be proper depending on whether the furnace is power vented or not.
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