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Sewer backup into A/C condensate drain

HealeyBN7 | Posted in Energy, Heating & Insulation on December 5, 2005 07:34am

Great get this… I have guests over and the forced air gas heater stops working.  I check the circuit breaker and it is indeed tripped.  Reset – trip – repeat. 

The handler, which is on a slab in a “basement/closet” is sitting in water.   I climb to the roof and attic – no leak.  Under the house  – dry.  As best I can tell about a gallon of water flowed back into the A/C condensate drain and flowed over the electricals. Nice. 

It will be easy enough to clear the blockage, but one has to question the wisdom of hard plumbing the A/C drain to the sewer.  What were they thinking?  There is a 3/4″ PVC trap so no sewer gases escape which is good, but given the right conditions/blockage, the A/C drain becomes the lowest fixture.

I plan to disconnect the drain today and plumb the A/C to the outside even if it is a long run.  Any words of wisdom.


Edited 12/5/2005 1:32 pm ET by HealeyBN7

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  1. jg | Dec 05, 2005 08:53pm | #1

    can you run the condensate line into a sump pit?

    1. HealeyBN7 | Dec 05, 2005 09:17pm | #2

      There are currently no provisions for a sump, as this is not supposed to be a wet area. 

      1. jg | Dec 06, 2005 12:19am | #3

        sorry about that....pump to the outside seems the only option

  2. User avater
    CapnMac | Dec 06, 2005 01:04am | #4

    What were they thinking?

    That's a hard call to make.  My town practically mandates "wet venting" the condensate drain into the nearest stack (and the pan drain out the nearest gable and/or soffit) for a/c installations. 

    Go to the "sister" town, and that's not permitted at all.  Except in commercial, where bothe drains can (if the inspector ok's it, a big if) just drain into a mop sink . . .

     

    Occupational hazard of my occupation not being around (sorry Bubba)
  3. SHG | Dec 06, 2005 01:08am | #5

    Healey BN7?

    Maybe Lucas made the unit?

    SHG

    '64 Healey BJ8

    For every complex problem, there is a solution that is clear, simple, and wrong.

    -H.L. Mencken

    1. HealeyBN7 | Dec 06, 2005 05:44am | #6

      Now if Lucas made the unit - All the smoke would have escaped, before that one fuse let go.  

      Good to know there are other Healey fans here online.  Here is the only shot I have on this PC. 

      Regarding my problem, looks like I will need to pump the condensate up a couple of feet to make it outside.

      1. HealeyBN7 | Dec 06, 2005 05:53am | #7

        Healey Pic for SHG

        1. SHG | Dec 06, 2005 01:46pm | #8

          Nice. but you need a bigger pic.  My son wants me to put a number on the car, but I don't know where the get them.  Here's mine.

          View Image

        2. SHG | Dec 06, 2005 07:34pm | #9

          That's my 11 year old son practicing, so that when it's his car (the day after I die), he'll be able to look cool and meet chicks!

          1. HealeyBN7 | Dec 08, 2005 07:33pm | #10

            Very nice - my eight year old is always ready to take a spin regardless of the weather.

            I had my numbers made at a local sign shop.  I selected the font after looking at vintage photos, and they cut the vinyl from standard sign stock.  I was thinking about having them reproduce some of the old sponsor decals, but that is a later project.

            FWIW  - I tried the magnetic circles, but they slid right off the doors when provoked by the slightest bump.  My son old got quite a laugh that first time we tried them. "Dad, I think your numbers are back there at the last stop sign...." Oh well.

            The Healey Digest is a great resource and if you are not a member (it's free) you can sign up here http://www.team.net/cgi-bin/majorcool.  Rich Chrysler and Gary Andersen are experts and frequent contributiors.  Rarely does a question go unanswered and has international contributors (for example, when I rebuild my engine, I ended up sending my distributor to a Healey expert in Australia for recurving). 

            Here is a shot without the numbers ...

          2. SHG | Dec 08, 2005 08:48pm | #11

            the car looks great, but I'm really jealous of the garage.

            Signed up for the digest too. 

            I'm not sure I want a permanent number.  But I've now decided to pass on the magnetic ones.  Just one more thing to cross off my list.

            Scott

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