Discussion Starter · #1 ·
So the attached picture is basically my sump setup. The very top pipe in my situation is about 40 feet long. The problem begins when the pump shuts off, the 40-foot long stretch is full of water and very slowly and loudly chugs its way out over the course of about 2 minutes and it drives me nuts right below my bedroom. I assume the noise is the air fighting to get back up the pipe from the exit as the water slowly chugs out of the pipe. My idea is to put an AAV at the top left area of that pipe. Thoughts?
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