mechanical vent
Posted by Robert Shanbaum on February 12, 2002 at 08:53:37:
I replaced my island kitchen sink and replumbed the drain - the old thinwall PVC was pretty ratty.

The mechanical vent I installed frequently makes a vibrating noise as water drains away, after the sink is empty. Is that normal? I don't recall the old one (which I threw away) doing it.

I'm suspicious since the vent was about $3.98 at Home Depot, but I haven't used these before, so before I bother replacing it, I thought I'd ask... it's not horribly annoying...

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