Quote:
Originally Posted by Foldbak
Can you please explain how this valve works with the black tank? Or did I misread?
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It’s for the galley gray tank, which, as stated by others, can smell as bad as the black tank. When our air admittance valve was failing we kept getting an awful sewer smell in the living area. When I realized the smell was coming from under the kitchen sink I figured out the valve thing. You can’t tell that they are bad by looking at them. When the smell starts, just replace it.
The purpose of the valve is to allow one-way movement of air to assist draining since there is no drain venting through the roof as there is in the bathroom. A failing valve begins to allow 2-way moving of air. Hence gray tank smells backing up into the living area.
Look under the sink in your island. You’ll find a vertical capped drain pipe. That’s it.
I bought this 3-pack. So far still on the first one
https://www.amazon.com/Oatey-39012-L...s%2C183&sr=8-4
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Jeff & Sandi (and Teddy - 7lb Schnorkie)
2018 Montana HC 305RL / HW Progressive EMS
2015 RAM 3500 Laramie Longhorn Crew Cab 4x4 DRW / Demco Recon Hitch on RAM Puck Ball
