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  1. #1
    Kevin Teitel's Avatar
    Kevin Teitel Guest

    Default High Efficiency WH discharing behind A/C unit

    This is an 11-month warranty inspection and I found that the builder put the outlet for a high efficiency water heater directly behind the A/C compressor unit. This has got to be wrong. Can anyone site a reference? Thanks.

    Kevin Teitel
    House-Pro Inspections, VA

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  2. #2
    Richard Stanley's Avatar
    Richard Stanley Guest

    Default Re: High Efficiency WH discharing behind A/C unit

    Rough guess - code not handy. Oversized pipe terminated more than 24" above ground - dumb location choice.


  3. #3
    Join Date
    Mar 2007
    Location
    Spring Hill (Nashville), TN
    Posts
    5,847

    Default Re: High Efficiency WH discharing behind A/C unit

    Quote Originally Posted by Kevin Teitel View Post
    This is an 11-month warranty inspection and I found that the builder put the outlet for a high efficiency water heater directly behind the A/C compressor unit. This has got to be wrong. Can anyone site a reference? Thanks.

    Kevin Teitel
    House-Pro Inspections, VA
    Well, common sense would tell you that the corrosive flue gas from the water heater will eventually corrode the coils/fins on the unit. I would call it out for that reason alone.

    Scott Patterson, ACI
    Spring Hill, TN
    www.traceinspections.com

  4. #4
    Join Date
    Mar 2007
    Location
    Plano, Texas
    Posts
    4,170

    Default Re: High Efficiency WH discharing behind A/C unit

    Here is a pretty good catch-all from a Goodman manual:

    Special consideration must be given to location of the con-
    densing unit(s) in regard to structures, obstructions, other units,
    and any/all other factors that may interfere with air circulation.
    http://www.ncweb.com/~jsbuilders/gsh%20install.pdf

    You might check the installation manuals which by definition is a code requirement.

    Jim Luttrall
    www.MrInspector.net
    Plano, Texas

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