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Old 04-04-2011, 03:03 PM   #1
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venting furnace & water heater together


can a gas furnace and gas hot water heater (with power exhaust fan) use the same exhaust pvc pipe to vent to the outside of the house?

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Old 04-04-2011, 03:19 PM   #2
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venting furnace & water heater together


Each appliance will need to be vented separately. If not, your inspector or insurance company will likely eat you alive. I don't know of any appliances in the direct vent catagory that will allow twinning of the vent system.

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Old 04-04-2011, 04:32 PM   #3
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venting furnace & water heater together


Must be separate pipes.
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