Quote:
Originally Posted by dhs9099
Our home is only 5 years old and Munn's did the new home install of the AC. We are having a problem with the AC constantly flooding via the condensate line. While we religiously have poured the hot water down that line once a month (even twice a month) as recommended, the AC unit just backs up and fills up with water caused the coils to rust and mold to form within the unit and duct work. The AC unit is place right in the middle of the house foot print and apparently the condensate line was run under the concrete garage floor for well over 30 feet (we've been told by someone else that it's a very bad design (builder should have designed a shorter condensate line. Long story, I'm wondering if anyone else is having this problem and what your resolutions were.
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I use vinegar to kill any algae. One cup per month. I do not think hot water would help.
The line could be (probably is) plugged. Can you use a garden hose to force water through the pipe? Maybe attach to the drain outlet on the hot water tank as hot water under pressure could be better than cold. If not maybe a plumbing snake from a big box store will help.
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