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Re: [GMCnet] Need plumbing advice, please? [message #328513 is a reply to message #328510] Mon, 22 January 2018 18:46 Go to previous messageGo to previous message
Justin Brady is currently offline  Justin Brady   United States
Messages: 769
Registered: April 2015
Location: Bell Buckle, TN
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My guess is tank venting as well.
The water displaces the air in the tank, if the air can't escape the water can't get in.

Most tanks have at least one vent straight to atmosphere through the roof. Not sure of the grey setup on your coach though as I don't have a grey tank!


Justin Brady http://www.thegmcrv.com/ 1976 Palm Beach 455
 
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