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  1. #1
    Join Date
    Apr 2012
    Location
    Princeton NJ
    Posts
    125

    failed inspection: drain pan

    Hi,
    I finally got around to having the inspection on the york modulating furnace i had replaced upstairs. It failed inspection. Obviously i alerted the installer, who has a good reputation and i'm pretty sure will take care of it. Can someone explain the failure: "install overflow protection on safety pan since primary and secondary drains are tied together". The system drains by pvc pipe to a large pvc pipe that i think is the sewer pipe? Is there a "easy fix" and a "perfect" fix?
    Thanks
    Steve

  2. #2
    Join Date
    Aug 2007
    Location
    Northern VA 38 degrees N by 76 degrees W
    Posts
    5,046
    Quote Originally Posted by central nj View Post
    Hi,
    I finally got around to having the inspection on the york modulating furnace i had replaced upstairs. It failed inspection. Obviously i alerted the installer, who has a good reputation and i'm pretty sure will take care of it. Can someone explain the failure: "install overflow protection on safety pan since primary and secondary drains are tied together". The system drains by pvc pipe to a large pvc pipe that i think is the sewer pipe? Is there a "easy fix" and a "perfect" fix?
    Thanks
    Steve
    Primary and secondary can not be tied together. There are four options for auxiliary drain pan. IRC 1411.3.1

  3. #3
    Join Date
    Apr 2011
    Posts
    112
    Easy fix don't worry yourself

  4. #4
    Join Date
    Apr 2012
    Location
    Princeton NJ
    Posts
    125
    Thanks both of you for the response. Obviously it lower my opinion of the installer. I was also dinged by not having "locking caps" on the outside air conditioner. Hard perhaps for you to say, but are these two things sort of common to forget and not a big deal, or are they something that most installers would always to right the first time?

  5. #5
    Join Date
    Nov 2011
    Location
    St. Louis
    Posts
    2,911
    Impossible to say, but the locking cap issue is a relatively newly enforced code, though it's been on the books in many places for some time. I spent a day last year doing nothing but going back to recent installs and installing them.

    If everything else is fine I wouldn't necessarily disparage the contractor for what might have been a simple oversight on the part of the actual installer. It's a very easy safety switch to install and will shut down your system should the drains become clogged.

  6. #6
    Join Date
    Aug 2007
    Location
    Northern VA 38 degrees N by 76 degrees W
    Posts
    5,046
    Quote Originally Posted by central nj View Post
    Thanks both of you for the response. Obviously it lower my opinion of the installer. I was also dinged by not having "locking caps" on the outside air conditioner. Hard perhaps for you to say, but are these two things sort of common to forget and not a big deal, or are they something that most installers would always to right the first time?
    The caps are no big deal and IMHO are a waste of time and money for the consumer and proposals are made to rescend the requirement.

    The drains being tied together is clearly a FUBAR. The purpose of the secondary drain is to prevent damage to the structure due to water leaking from the unit. Tying them together serves no purpose and if stoppage occurs would defeat the main purpose. There are options provided in the building codes depending on the situation. The best choice is a secondary line run to a conspicuous location to alert you that there is a problem. A switch can be installed in the pan if secondary line is not feasible, but caution should be used in application in reference to the type and support of the pan.

  7. #7
    Join Date
    Mar 2009
    Location
    Mount Holly, NC
    Posts
    2,704
    I never use secondary drains now, I install a water sense switch in the secondary location, and my primary drain has a float switch in front of the trap, the pan would also have a float switch on it in case of equipment failure. any moisture issues, my systems shut down.
    The TRUE highest cost system is the system not installed properly...
    The three big summer hearththrobs...
    Mel Gibson
    Dwane Johnson
    The A/C repairman

  8. #8
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    66,755
    Different areas enforce the codes to their liking/standard. Your area may enforce more codes then other areas they work in. Easy to forget which area your in.

    Locking caps not enforced in many areas.
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    How many times must one fix something before it is fixed?

  9. #9
    Join Date
    Mar 2013
    Location
    Joplin,Missouri
    Posts
    310
    Those are two minor code violations which are easy fixed. If you are happy with everything else they have done then it shouldn't change your opinion of that company. Those minor issues sometimes come up no matter who does your work.

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