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  1. #1
    Join Date
    Jun 2005
    Posts
    5
    Is there a problem with installing a 90% furnace with PVC venting and still using a gas hot water heater with chimney venting?

  2. #2
    Join Date
    Apr 2005
    Posts
    41
    Size and hight of the chimney? clay lined? "B" vent? BTU's of water heater? Got a gas liscence ? Chances are you will need a stainless steel liner because the existing vent will be too large. Consider the age of your water heater.If you think it will need to be replaced in the near future ,maybe you should replace it with a power vented unit, and do away with the chimney all together. Just a thought

  3. #3
    Join Date
    Jun 2005
    Posts
    5
    It is a B vent chimney and I would estimate the height at about 30ft. The existing hot water heater is only 2 years old so we really don't want to replace it.
    Are there any safety issues with using the chimney vent for the hot water heater and switching to a pvc vent for the furnace?

  4. #4
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,765
    we do it all the time, always passes inspection. never had any problems.

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