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    aecentanni's Avatar
    aecentanni Posts: 1, Reputation: 1
    New Member
     
    #1

    May 21, 2005, 09:45 AM
    Rotten-egg / sewage smell in home
    Hello,

    I've been experiencing a rotten-egg / sewage smell in my home. It occurs mainly in the summertime but it is not constant. The smell seems to be stirred up by two simultaneous events: (1) running water down the kitchen sink, and (2) the central air-conditioning kicking on. It is especially bad when I arrive home from work on a hot day and flip the A/C thermostat from 78 to 75 degrees, and run water down the kitchen sink. If I do not run water down the kitchen sink, the smell does not appear. After a few on/off cycles of the A/C, the smell dissipates. Any ideas on what the problem could be? As far as I can tell the A/C and plumbing systems are working fine. No drain line other than the kitchen sink appears to stir up the smell.

    Thanks,

    Tony
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
     
    #2

    May 21, 2005, 11:05 AM
    Quote Originally Posted by aecentanni
    Hello,

    I've been experiencing a rotten-egg / sewage smell in my home. It occurs mainly in the summertime but it is not constant. The smell seems to be stirred up by two simultaneous events: (1) running water down the kitchen sink, and (2) the central air-conditioning kicking on. It is especially bad when I arrive home from work on a hot day and flip the A/C thermostat from 78 to 75 degrees, and run water down the kitchen sink. If I do not run water down the kitchen sink, the smell does not appear. After a few on/off cycles of the A/C, the smell dissipates. Any ideas on what the problem could be? As far as I can tell the A/C and plumbing systems are working fine. No drain line other than the kitchen sink appears to stir up the smell.

    Thanks,

    Tony
    Hi Tony, Do you have a diaposal in your sink? If so pour 1/2 gallon down the disposal side and let it set overnight. Next morning flush it down with boiling water. Now cut a lemon into quarters and run them through the disposal. You may have bacterial growth in the AC condensate line. Pour the other 1/2 gallon of bleach in the condensate pan and let it drain out. It that don't get it click on back with as many details as you have. Good luck, Tom

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