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- Aug 14, 2016
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My durso drain has been not starting lately. It acts like it is air locked. The tank has been up for a year and a half and this has been happening for a month or 2. There is a vent hole in the top, and 2 holes in the sides, just below the waterline. Any idea what is causing this? I have taken it all apart and inspected for blockage and there are none. It is also flowing the same amount as always, so I don't know?
To get it to start, I close and open the shut off valve a few times and it goes. Any ideas?
To get it to start, I close and open the shut off valve a few times and it goes. Any ideas?