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01-07-2016, 06:22 PM
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#15
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Registered User
Join Date: May 2011
Posts: 302
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At this point I'd suggest a call to the factory. See if someone there can tell you exactly how your plumbing is supposed to be put together.
I don't what your coach's floor plan is like, but if the kitchen sink and shower are almost back-to-back, I suppose it is possible that the kitchen sink drains into the shower drain and then into the grey tank. If there is a plug below that connection you could get soapy water from the kitchen sink coming up in the shower. Not too likely, I admit, but might be remotely possible.
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01-09-2016, 08:21 AM
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#16
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Member
Join Date: Jun 2015
Location: Chattanooga tn
Posts: 37
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Quote:
Originally Posted by 1bigmess
I agree. I had mine completely removed and the little cap off, and removing the little cap does nothing to aid air admittance or vacuum breaking or anything. If water is coming up in your shower, then the tank is full, or the line to the tank is clogged. If someone puts grease down the RV drain, then I don't know what will help you. If that isn't the problem, I would start by dumping the tanks, both of them, as I have heard some strange things about rv manufacturers routing one of the sinks or the shower to the black tank, plumbing install mistakes, etc.
When in doubt, I dump and rinse, and go from there.
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WELL guess WHAT AFTER 4 DAYS OF DRAIN CLEANERS a snake out and after I drained my black tank all the problems disappeared Wow never would thought of that for sure . Thanks to all for the help and I can't figure why that happened and I will see if it happens again after using the black tank for a while
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01-09-2016, 09:32 AM
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#17
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Senior Member
Outdoors RV Owners Club
Join Date: Dec 2014
Location: Nowhere, now here. Freedom!
Posts: 4,602
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I hope things remain trouble free.
__________________
ORV 19B Full Timer from '15 to '20, '14 Ram 2500 Diesel and a GSD. Vancouver, WA
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01-09-2016, 12:00 PM
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#18
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Senior Member
Join Date: Sep 2013
Posts: 596
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Do you think maybe they drain into the black tank?
Are the grey and black drains perhaps mislabelled?
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01-09-2016, 05:44 PM
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#19
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Member
Join Date: Jun 2014
Posts: 43
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FWIW how about some food coloring in each sink to see what tank it comes out. Different color for each sink will tell the story right away.
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01-09-2016, 06:24 PM
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#20
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Senior Member
Join Date: Feb 2009
Location: Ca
Posts: 1,076
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Quote:
Originally Posted by gibby72
WELL guess WHAT AFTER 4 DAYS OF DRAIN CLEANERS a snake out and after I drained my black tank all the problems disappeared Wow never would thought of that for sure . Thanks to all for the help and I can't figure why that happened and I will see if it happens again after using the black tank for a while
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