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Thread: Zooglea Blocking Drain Line on AC
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Old 09-20-2025, 08:14 AM
retiredguy123 retiredguy123 is offline
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Quote:
Originally Posted by Miboater View Post
I've been doing the hot water flush every two months and for the first time in almost 4 years my system shut down because of a clogged condensate line. Luckily I previosly bought an attachment on Amazon that on one end connects to a shop vac and the other end to the outside condensate line. I procrastinated using it 3 months ago when I bought it but it worked great cleaning out the clog. It was under $9 and it is called AC Drain Line Cleaner Tool Wet Vac Attachment. I was surprised by the gunk that was being sucked out and thinking now that just the regular hot water flush is not enough and will start using vinegar with the hot water.
According to Munn's and Carrier, you should only use hot water in the condensate drain pipe, no vinegar. I use hot water every month, and I also use the device mentioned in Post No. 16 to flush the pipe with water about every 6 months. In 10 years, I have never had a clogged condensate drain.
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