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  1. #1
    Join Date
    Mar 2007
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    Default Pool Heater clearance

    Anyone have any helpful information or comments concerning the clearance of the gas pool heater vent pipe in the photos?
    I already noted the leaning vent pipe and the improper offset and tape.
    I am mainly looking for supporting documentation on clearance to the windows and soffits. Most of what comes to mind would be referring to house vent pipes and not necessarily separate pool equipment.

    about 3' clearance to each side to operable windows.

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    Jim Luttrall
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    Plano, Texas

  2. #2
    Join Date
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    Ormond Beach, Florida
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    Default Re: Pool Heater clearance

    It would be shown in the installation instructions.

    I am thinking I have seen 5 feet in the ones I looked at years ago.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  3. #3
    Join Date
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    Location
    Rockwall Texas
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    Default Re: Pool Heater clearance

    I've always seen 4ft. as a minimum. This is from the side of the heater also, not the flue.

    See chart and picture as noted on the Raypak brand heater below.

    http://www.raypak.com/uploads/6000.52AG.pdf


  4. #4
    Join Date
    Sep 2008
    Location
    Texas
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    745

    Default Re: Pool Heater clearance

    From the 2006 IRC

    SECTION G2441 (617)
    POOL AND SPA HEATERS


    G2441.1 (617.1) General.
    Pool and spa heaters shall be tested


    in accordance with ANSI Z21.56 and shall be installed in
    accordance with the manufacturer’s installation instructions.


    G2427.7.3 (503.7.3) Termination.


    Single-wall metal pipe
    shall terminate at least 5 feet (1524 mm) in vertical height
    above the highest connected appliance draft hood outlet or
    flue collar. Single-wall metal pipe shall extend at least 2 feet
    (610 mm) above the highest point where it passes through a
    roof of a building and at least 2 feet (610 mm) higher than
    any portion of a building within a horizontal distance of 10
    feet (3048 mm) (see Figure G2427.6.4). An approved cap or
    roof assembly shall be attached to the terminus of a single-
    wall metal pipe (see also Section G2427.7.8, Item 3).

    And as Rick stated:
    2. A mechanical draft venting system, excluding
    direct-vent appliances, shall terminate at least 4 feet
    (1219 mm) below, 4 feet (1219 mm) horizontally from,
    or 1 foot (305 mm) above any door, operable window, or
    gravity air inlet into any building. The bottom of the vent
    terminal shall be located at least 12 inches (305 mm)
    above grade.



    Last edited by Wayne Carlisle; 07-01-2009 at 07:49 AM. Reason: Added info really not pertaining to subject but similar situation

  5. #5
    Join Date
    Mar 2007
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    Default Re: Pool Heater clearance

    Quote Originally Posted by Wayne Carlisle View Post
    2. A mechanical draft venting system, excluding direct-vent appliances, shall terminate at least 4 feet (1219 mm) below, 4 feet (1219 mm) horizontally from, or 1 foot (305 mm) above any door, operable window, or gravity air inlet into any building. The bottom of the vent terminal shall be located at least 12 inches (305 mm) above grade.

    Except that is not a mechanical draft venting system. That is a natural draft venting system.

    Thus that does not apply.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  6. #6
    Join Date
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    Location
    Plano, Texas
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    Default Re: Pool Heater clearance

    Thanks guys

    Jim Luttrall
    www.MrInspector.net
    Plano, Texas

  7. #7
    Ted Menelly's Avatar
    Ted Menelly Guest

    Default Re: Pool Heater clearance

    OK

    You have a flue pipe on a roof that is somewhat below and a few feet to the side of a dormer window (that was posted here somewhere)

    Whats the difference. You have a vent from a pool heater that very well could be venting to the interior of a home. The vent is technically right outside a window. If the windows are open and the pool heater on then the likelyhood of the unit drafting into the home is there no matter what type of vent, natural or mechanincal.

    I think it is one of those that needs no code but common sence.

    Heater on, window open, open window sucks it inside to the sleeping baby!


  8. #8
    Join Date
    Sep 2008
    Location
    Texas
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    745

    Default Re: Pool Heater clearance

    Quote Originally Posted by Wayne Carlisle View Post


    And as Rick stated:

    2. A mechanical draft venting system, excluding
    direct-vent appliances, shall terminate at least 4 feet
    (1219 mm) below, 4 feet (1219 mm) horizontally from,
    or 1 foot (305 mm) above any door, operable window, or
    gravity air inlet into any building. The bottom of the vent
    terminal shall be located at least 12 inches (305 mm)
    above grade.


    I wanted to clear this statement up. Rick did not state it was a mechanical draft venting system. He mentioned the 4 feet horizontally and this was the section in the code that mentioned 4 feet.

    Pools and spa heaters are regulated by manufactuers recommendations.


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