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Old 09-05-2019, 01:38 PM   #1
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Plumbing system schematic

I have a 2008 Fleetwood Regal 365BHTS. The kitchen sink backed up. I traced the drain to underneath the pantry next to the refrigerator. The drain comes away from the wall about 12 inches then turns down into the floor. I removed the no hub fitting from the drain line and snaked the pipe into what I assume to be a grey water tank plus vacuumed 10 gallons or more from the tank. The line from the sink drain to no hub is clear. The drain path is still blocked. The drains for the shower and master sink drain no problem and when the gray water dump is pulled water flows. This makes me think that there are two grey water tanks with a cross connection between them and that cross connecter is plugged. Anyone have experience with this trailer and the plumbing system or have a schematic of the plumbing system on this trailer? About to cut open the floor and tank to see if Jimmy Hoffa is in there. Also about mid trailer thee are two hose bibs that come out of the bottom of the trailer any idea what these are for. Thanks for anything you can provide.

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Old 09-05-2019, 01:58 PM   #2
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You probably have two gray tanks. 1 is called gray, 1 is called galley, they have no cross connect. Your galley sounds full. Of course you also have a Black tank.

The two hose bibs are your hot and cold water low point drains for winterization.
2011 Keystone Sprinter 323 BHS. Port Charlotte Fl/Hinsdale MA. Retired Master Electrician. All Motor homes are RV's. All RV's are not Motor homes.
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