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04-18-2021, 11:14 AM
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#1
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Montana Fan
Join Date: Jan 2021
Location: Coloma, Wisconsin
Posts: 202
M.O.C. #28036
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Third Sewer Valve???
I have a 2019 3121RL and noticed what appears to be another sewer valve located just forward of the wheels tucked up by the frame. I have the black and gray T handles in the wet bay but had not been aware of this other T handle pull. I assume it is a third dump valve or am I incorrect?
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Chuck
2019 3121RL 35 ft., 2020 3500 Dodge Ram SRW, Cummins 6.7 HO, Air Bags - Air Lift BT Wireless Compressor, Coloma, Wisconsin
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04-18-2021, 11:20 AM
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#2
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Established Member
Join Date: Jan 2021
Location: Palestine
Posts: 24
M.O.C. #28057
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Yes, it is a third tank drain. Probably from your galley.
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Dave & Connie GG
2014 Montana 3735MK
2004 Ford F150 w/306,000 miles not planning to be the tow vehicle.
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04-18-2021, 11:37 AM
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#3
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Montana Master
Join Date: Feb 2020
Location: USA
Posts: 610
M.O.C. #25842
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Our 2020 3121 has the same thing. Kitchen sink tank.
Like you I "discovered it" after we had the rig for a few days.
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04-18-2021, 11:40 AM
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#4
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,706
M.O.C. #12947
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On our rig, the galley drain pull is just to the rear of the wheels, and is much easier to get to when the rear slide is extended. There is actually a little label on the lower edge of the skirt of that slide that indicates the location of the pull that says ‘grey tank’.
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Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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04-18-2021, 11:43 AM
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#5
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Montana Fan
Join Date: Jan 2021
Location: Coloma, Wisconsin
Posts: 202
M.O.C. #28036
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So am I understanding the kitchen sink has its own gray tank ? If so how big it really doesn't mention anything about a galley tank?
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Chuck
2019 3121RL 35 ft., 2020 3500 Dodge Ram SRW, Cummins 6.7 HO, Air Bags - Air Lift BT Wireless Compressor, Coloma, Wisconsin
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04-18-2021, 11:50 AM
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#6
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Site Team
Join Date: Sep 2017
Location: Oro Valley
Posts: 3,937
M.O.C. #20477
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Chuck,
Both of your grey tanks are 40 gal.
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Zack and Donna plus Millie and Ranger
2018 3160RL
"Life is too short to stay indoors, enjoy the ride!"
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04-18-2021, 11:52 AM
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#7
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Montana Master
Join Date: Feb 2020
Location: USA
Posts: 610
M.O.C. #25842
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Specs says 88 gallons of gray total. I have always assumed two 44's. Though I might be wrong.
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04-18-2021, 01:06 PM
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#8
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Montana Fan
Join Date: Jul 2015
Location: Edgerton
Posts: 218
M.O.C. #17678
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Quote:
Originally Posted by R.S.O'Donnell
Specs says 88 gallons of gray total. I have always assumed two 44's. Though I might be wrong.
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Correct.
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04-18-2021, 01:45 PM
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#9
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Montana Fan
Join Date: Jan 2021
Location: Coloma, Wisconsin
Posts: 202
M.O.C. #28036
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Ok, well now I am understanding. Thank u ALL
__________________
Chuck
2019 3121RL 35 ft., 2020 3500 Dodge Ram SRW, Cummins 6.7 HO, Air Bags - Air Lift BT Wireless Compressor, Coloma, Wisconsin
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04-18-2021, 03:54 PM
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#10
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Montana Master
Join Date: Dec 2009
Location: Sebring
Posts: 3,659
M.O.C. #9969
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Usually the post is that their Kitchen Sink isn't draining and yet they've pulled the Gray drain in the wet bay. That's when someone tells them to look for the second Gray pull.
Question comes up all the time.
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Michelle & Ann
2018 Chevy 3500HD High Country DRW 4X4 Crew Cab w/Duramax/Allison, Formally 2010 Montana 2955RL, Now Loaded 2016 SOB, Mor/ryde IS, Disc Brakes & Pin Box, Comfort Ride Hitch, Sailun 17.5 Tires.
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