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10-26-2023, 07:25 AM
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#1
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New Member
Join Date: Jul 2023
Location: Columbus
Posts: 5
M.O.C. #32996
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Kitchen Gray Tank Not Dumping
New Montana Legacy 2230 RL. 2 gray tanks, one for kitchen & one for bath. From day 1, one gray tank iNCommand LED screen = 1/3 full, and dumping gray tanks = 1/3 full. 9 days of light use kitchen sink backed up. Removed kitchen sink p-trap & snaked line all the way to the gray tank = no blockage. There is only one gray tank dump pull lever for both gray tanks. Conclusion: Factory didn't attached kitchen sink gray tank dump-valve to the gray tank dump lever, or there is some other malfunction with that valve. On trip, so can't take to dealer. Ideas?
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10-26-2023, 08:17 AM
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#2
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Established Member
Join Date: Jun 2021
Location: Canton
Posts: 16
M.O.C. #29029
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If you have a 3123RL, then you should have 2 dump valves for your 2 grey tanks.
One of them is in the wet bay next to your black tank valve handle, the other is underneath your kitchen slide.
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10-26-2023, 08:21 AM
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#3
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Montana Fan
Join Date: Jul 2019
Location: Mesa
Posts: 279
M.O.C. #24588
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Quote:
Originally Posted by java2d
New Montana Legacy 2230 RL. 2 gray tanks, one for kitchen & one for bath. From day 1, one gray tank iNCommand LED screen = 1/3 full, and dumping gray tanks = 1/3 full. 9 days of light use kitchen sink backed up. Removed kitchen sink p-trap & snaked line all the way to the gray tank = no blockage. There is only one gray tank dump pull lever for both gray tanks. Conclusion: Factory didn't attached kitchen sink gray tank dump-valve to the gray tank dump lever, or there is some other malfunction with that valve. On trip, so can't take to dealer. Ideas?
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As stated in post #2 you’ve likely missed seeing the second dump valve. Go fish
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10-26-2023, 08:37 AM
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#4
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Montana Master
Join Date: Mar 2015
Location: Sequim
Posts: 527
M.O.C. #17176
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there is another dump valve its usually in front of one of the tires on driver side. I'm not sure but there maybe another compartment door on side that has a dump valve in it. otherwise look under you will find it.
__________________
Dan & Sandy Huhn
2016 Montana 3720 2015 Chevy 3500 SWD Duro Max
Prev 2012 High Country 313RE 2012 Chevy 2500 DMax
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10-26-2023, 11:03 AM
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#5
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Montana Master
Join Date: Jan 2018
Location: Austin
Posts: 2,423
M.O.C. #21044
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See pic below for where my tank handles are located.
Your rear tank handle is probably about the same distance back as mine - but yours would be under the slideout. My rig has a rear gray and black tank (for a half bath)
__________________
MikenDebbie Aggie ‘77 in the sticks near Austin TX
2019 Chevy 3500 High Country DRW
2018 Montana 3921FB
Aussie Gus + Texas Heeler Jimmy
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10-26-2023, 02:05 PM
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#6
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New Member
Join Date: Jul 2023
Location: Columbus
Posts: 5
M.O.C. #32996
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Thanks for your posts! I found the valve lever in the wheel well just outside of the kitchen slide out. BTW, my Montana is a 3123 RL, not as I said in my original post.
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10-26-2023, 11:43 PM
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#7
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,702
M.O.C. #12947
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You might find it easier when discussing the two grey tanks to refer to the bath tank as the grey tank, but the kitchen tank as the galley tank. It seems most of these rigs always has the galley tank drain pull under the rig.
__________________
Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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10-27-2023, 07:11 AM
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#8
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New Member
Join Date: Jul 2023
Location: Columbus
Posts: 5
M.O.C. #32996
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Thanks. I'm new to Montana 5th wheels, so I'm still learning the nomenclature.
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