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Re: [GMCnet] Need plumbing advice, please? [message #328514 is a reply to message #328513]

Mon, 22 January 2018 18:48

Dave Stragand

Messages: 307
Registered: October 2017

Karma:

Senior Member

An easy test might be to open the gray tank dump valve -- allowing water/air out -- then try draining the sink.

-----Original Message-----
From: Gmclist on behalf of Justin Brady
Sent: Mon 1/22/2018 7:46 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Need plumbing advice, please?

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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[Message index]

		Need plumbing advice, please? By: GMC Jimmy on Sun, 21 January 2018 08:09
		Re: Need plumbing advice, please? By: jhbridges on Sun, 21 January 2018 08:39
		Re: [GMCnet] Need plumbing advice, please? By: emerystora on Sun, 21 January 2018 09:28
		Re: [GMCnet] Need plumbing advice, please? By: GMC Jimmy on Sun, 21 January 2018 09:48
		Re: Need plumbing advice, please? By: GMC Jimmy on Sun, 21 January 2018 09:43
		Re: Need plumbing advice, please? By: lqqkatjon on Sun, 21 January 2018 09:49
		Re: Need plumbing advice, please? By: GMC Jimmy on Sun, 21 January 2018 18:20
		Re: [GMCnet] Need plumbing advice, please? By: Dave Stragand on Sun, 21 January 2018 21:35
		Re: [GMCnet] Need plumbing advice, please? By: jimk on Mon, 22 January 2018 00:36
		Re: [GMCnet] Need plumbing advice, please? By: GMC Jimmy on Mon, 22 January 2018 13:23
		Re: [GMCnet] Need plumbing advice, please? By: palerider on Mon, 22 January 2018 18:03
		Re: [GMCnet] Need plumbing advice, please? By: Justin Brady on Mon, 22 January 2018 18:46
		Re: [GMCnet] Need plumbing advice, please? By: Dave Stragand on Mon, 22 January 2018 18:48
		Re: [GMCnet] Need plumbing advice, please? By: Ken Henderson on Mon, 22 January 2018 19:46
		Re: [GMCnet] Need plumbing advice, please? By: James Hupy on Mon, 22 January 2018 20:11
		Re: Need plumbing advice, please? By: lqqkatjon on Sun, 21 January 2018 09:50
		Re: [GMCnet] Need plumbing advice, please? By: jimk on Sun, 21 January 2018 13:17
		Re: [GMCnet] Need plumbing advice, please? By: GMC Jimmy on Sun, 21 January 2018 18:29
		Re: Need plumbing advice, please? By: GMC Jimmy on Sun, 21 January 2018 18:26
		Re: [GMCnet] Need plumbing advice, please? By: Ken Henderson on Sun, 21 January 2018 18:37
		Re: [GMCnet] Need plumbing advice, please? By: 77Royale on Sun, 21 January 2018 18:47
		Re: Need plumbing advice, please? By: kingd on Tue, 23 January 2018 09:58
		Re: Need plumbing advice, please? By: GMC Jimmy on Tue, 23 January 2018 14:50

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