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How to clean air conditioning drain line and maintain?



what is the best way for preventative maintenance on an air conditioning  drain line. Are there any specialist maintenance tools required. Can this be handled by the average DIY man.  Any help gratefully received as I am about to attempt this anytime soon.

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5 Responses to “How to clean air conditioning drain line and maintain?”
  1. Luz200 Said:

    Periodically blow it out with compressed air or rout it out with a wire snake or cable. Normally, 3/4 PVC is used for these lines, so you could cut the drain line into manageable lengths, clean them, and reglue using couplings. Having the correct downward pitch on the line helps prevent slimy deposits from forming in the line.

  2. Brody Pennington Said:

    Flush out the line with either compressed air or a garden hose. Then pour a mixture of one part bleach to 3 parts water down the line. Should only need about one cup. This will kill bacteria growing in the line.

  3. Tianna Cuthbert Said:

    I work at a school (27 years in building maintenance) and the least expensive and safest way we maintain the drains is once a month we pour a little bleach in them. That keeps that stuff from growing in them.

  4. Madden Gunn Said:

    you can use compessed air or a water hose to clean out the drain line…..you can pour some bleach down the drain every once in a while to prevent anything from growing inside the drain line..if you change your filters regularly the drain line will stay relatively clean …

  5. Brooks Dennis Said:

    if open now just bleach full strength, or diluted
    if iwas a real nut… while the unit was not running, i’d plug the ternimal end, fill it with the bleach solution to make sure bleach covered all alge growth killed it let it sit for an hour then open…when you see them blown out from being stopped up, it’s green yellow gook – alge