Thread: AC drain idea
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Old 12-30-2015, 03:19 PM   #49
City: Melbourne, FL
Country: USA
Join Date: Dec 2014
Posts: 1,323
Check out this link:

If you look at the add-on items, there is a check-valve to prevent back-flow to the condensate pump. As long as there is a bit of bleach added occasionally to the water, I doubt the valve would stop up.

Then run to the nearest sink drain and you'll have a drain with no extra holes.
The valve would also prevent the line draining back into the pump basin as well.

The only thing better would be a 12vdc version, which I've never seen. I have seen the condensate pumps in numerous AC installs where there is no clear shot outside with a down-hill slope.
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