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Old 11-06-2016, 09:42 AM   #11
Cadiz Couple
 
Join Date: Apr 2016
Location: Cadiz Kentucky
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Thanks to all....first for educating me, a newby, to the fact that it is NOT okay to dump galley water onto the ground.....and secondly for the suggestions of using a wye in the flex pipes----or----permanently connecting the galley and gray drains. A permanent connection sounds like it would be the best solution---if it works... but I'm wondering if there would be enough slope between the two drain valves to properly drain the galley tank, and if, when parked, the galley end is lower, then some gray water might flow backwards into the line from the galley tank. A separate but related sewer annoyance on my Rockwood 8310 is that the galley drain valve has not been located quite near enough to the edge of the trailer to be easily reached, AND, even much worse, it has been positioned beneath the slid-out room, so that while it is somewhat hard to reach when the room is closed, it is impossible to reach and when when the room is extended. Seems like Rockwood could just as easily have positioned the valve closer to the edge of the trailer and a couple of feet more toward the rear so as to be behind the slide so as to always be easily reached,..oh well, it is what it is. I'm thinking that first, I ought to:
1. Extend the galley drain valve closer to the edge of the trailer and behind the slide-out room, where I can then, with the slide room either in or out, easily attach a new flex hose to a wye on the main flex hose.....or.....
2. Use a hard pipe to permanently connect the galley and gray water tank lines up-stream from the gray water valve....and just live with any problem of the new line not always completely draining.
Comments and recommendations are requested. Thanks, Gordy
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Old 11-06-2016, 09:56 AM   #12
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As OC said....plumb them together......mine works great, 1 hose, no wyes.....at the front hose connection, where the galley tank would connect, we both added a gate valve, so there is no chance that the grey water will backflow to the galley tank...and, if one uses a cap for the galley tank that has a garden hose fitting, you can use a garden hose to empty galley tank.....2 different ways to do it
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Old 11-06-2016, 05:28 PM   #13
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Location: Sprung Leak, NC
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A possibility to the hard to reach valve issue might be to install an electric dump valve. The switch can me mounted where it is convenient and will work with the slides in or out.

My current motor home has 3 gray dump valves (2 are for the same tank) and a black valve. Eventually I am going to replace them with electric and eliminate one of the gray valves. Barker, Valterra and Drain Master are the main three on the market. I like Barker, but there is nothing wrong with the others.

Aaron
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Old 11-06-2016, 06:51 PM   #14
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Location: Concord, NC
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Originally Posted by ependydad View Post
Assuming the second sewer connect is only for gray water (which very well could be for the OP's trailer).
So is mine, the rear tank is the galley tank and the center one is also grey which is connected to the black tank. I just hard plumbed from the rear tank to the center tank elbow. Use one hose, one connection and can dump all 3 tanks.
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Old 11-06-2016, 07:08 PM   #15
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So is mine, the rear tank is the galley tank and the center one is also grey which is connected to the black tank. I just hard plumbed from the rear tank to the center tank elbow. Use one hose, one connection and can dump all 3 tanks.

Yep, in your case- it's the best solution.
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