Sinks not draining/poor venting?
Two new under sink vents and it still is not draining my sinks, if I unscrew the air vent the sinks will suck down like a champ. I can't have a roof vent because I have a island sink, the only roof v...
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Got it! Finally just gave up on the aav and ditched it all together, I screwed a cap on to the pipe and drilled and tapped a 1/2 inch barb fitting. Then I ran a hose under the counters, then exited it out into the power cord box and silicone the heck out of it that's sealed back up. Then I kicked the hose and guess what the sink backs up, then unkinkrd it and what do you know it vents now to the out side! Like the dam thing should.
