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10-10-2022, 08:55 AM
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#1
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New Member
Join Date: Mar 2021
Location: Croswell
Posts: 2
M.O.C. #28454
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Black and Grey Tank Controls Reversed
Have any of you experienced issues with your Black and Grey Tank controls reversed?
We did get out very much in 2020/2021, so we didn't really 'notice' this issue. However, recently we had a full Grey tank (water not draining from shower). We opened the Grey tank several times to no avail. Didn't dawn on me that controls would be switched. It took us 2 hours to trouble shoot the issue then we removed the undercover to actually see the cable connections to each tank thinking it broke away from the tank. Sure enough you pull the Grey Tank control, it opened the Black tank.
2020 Montana High Country 373RD
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10-10-2022, 11:06 AM
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#2
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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If that were the case on my rigs I'd just take the wall off the convienence center and reverse them. Have no experience with new rigs so I don't know if it's still the same.
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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10-10-2022, 05:38 PM
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#3
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Montana Fan
Join Date: Feb 2006
Location: Crossville
Posts: 296
M.O.C. #5424
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The easier solution would be to just re-label the two handles in the convenience center.
__________________
Ted & Beth Uhler, Crossville, TN
and "Monty", our traveling/camping cat
2022 Montana 3781, 2020 Chevrolet Silverado 3500HD
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10-10-2022, 06:53 PM
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#4
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Montana Master
Join Date: Oct 2018
Location: Anderson
Posts: 2,587
M.O.C. #22835
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Quote:
Originally Posted by pvcoach
The easier solution would be to just re-label the two handles in the convenience center.
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 That's what I'd do too!
__________________
Who you are right now is a sum total off all you use to be.
2019 Montana High Country 375FL
2014 Chevy Silverado Duramax, 6.6L Dually
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10-12-2022, 06:34 PM
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#5
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Established Member
Join Date: Oct 2022
Location: Pensacola
Posts: 49
M.O.C. #31788
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I have '22 3231ck, on mine I can access the back of the panel. On the front of the panel, remove the handles and the nuts holding the cables in place, then pull them out the back, reinstall in the correct holes.
Or paint the handles, black/gray.
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10-13-2022, 07:10 PM
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#6
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Montana Master
Join Date: Dec 2021
Location: Northeast TX
Posts: 941
M.O.C. #30262
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Quote:
Originally Posted by OldJimi
I have '22 3231ck, on mine I can access the back of the panel. On the front of the panel, remove the handles and the nuts holding the cables in place, then pull them out the back, reinstall in the correct holes.
Or paint the handles, black/gray.
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Sounds like an easy enough fix!
I see this was your first post OldJimi. Welcome aboard!
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10-13-2022, 07:42 PM
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#7
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Established Member
Join Date: Oct 2022
Location: Pensacola
Posts: 49
M.O.C. #31788
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Hello Lee-CI, thanks for the welcome. I don't know much, but happy to share what I can. I emptied tanks today, and verified- I have one black one an one gray one. At the time I typed that, I couldn't remember for sure if that where the idea came to me from. As I get older, memories become like RV salesmen, really hard to pin down as to what's actually what.
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10-14-2022, 08:03 AM
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#8
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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Experienced that on two of our Montana units. Like posted above, just remarked the handles.
__________________
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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10-14-2022, 08:53 AM
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#9
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,698
M.O.C. #12947
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Quote:
Originally Posted by OldJimi
Hello Lee-CI, thanks for the welcome. I don't know much, but happy to share what I can. I emptied tanks today, and verified- I have one black one an one gray one. At the time I typed that, I couldn't remember for sure if that where the idea came to me from. As I get older, memories become like RV salesmen, really hard to pin down as to what's actually what.
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I’m pretty sure you also have a second gray tank usually called a galley tank and might find that handle in front or behind the drivers side tires up high possibly at the frame. Just because the ‘specs’ only show one gray tank capacity does not mean you only have one gray tank.
__________________
Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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10-14-2022, 10:29 AM
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#10
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Established Member
Join Date: Oct 2022
Location: Pensacola
Posts: 49
M.O.C. #31788
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Yes, thanks, that one doesn't need emptied as often. Good because it not as easy to get too.
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10-14-2022, 11:47 AM
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#11
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Seasoned Camper
Join Date: Aug 2018
Location: San Antonio
Posts: 67
M.O.C. #22453
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Quote:
Originally Posted by pshinn
Have any of you experienced issues with your Black and Grey Tank controls reversed?
We did get out very much in 2020/2021, so we didn't really 'notice' this issue. However, recently we had a full Grey tank (water not draining from shower). We opened the Grey tank several times to no avail. Didn't dawn on me that controls would be switched. It took us 2 hours to trouble shoot the issue then we removed the undercover to actually see the cable connections to each tank thinking it broke away from the tank. Sure enough you pull the Grey Tank control, it opened the Black tank.
2020 Montana High Country 373RD
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My 2019 3731FL had same issue. Just switch the labels.
__________________
Greg H.
San Antonio, TX
2019 3731 w/20K GooseBox, 2021 F350 Crew cab TD dually
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10-15-2022, 11:34 AM
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#12
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Montana Master
Join Date: May 2006
Location:
Posts: 1,700
M.O.C. #5751
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On an older coach, the black PVC line dump line was nearly double in diameter the size of the gray line.
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10-16-2022, 02:07 PM
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#13
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Established Member
Join Date: Apr 2019
Location: O'Fallon
Posts: 38
M.O.C. #23886
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Lables reversed.
Quote:
Originally Posted by pvcoach
The easier solution would be to just re-label the two handles in the convenience center.
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I have found a lablemaker to be a requirement with Keystone. I had a Cougar and now a Montana HC and both had lable issues with the tanks and switches.
__________________
Stu and Deb
O'Fallon, IL
2020 Montana HC 331RLS
2017 Ram 3500
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10-16-2022, 03:32 PM
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#14
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Montana Master
Join Date: Dec 2021
Location: Northeast TX
Posts: 941
M.O.C. #30262
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Or like in our case, the label for the galley gray tank dump handle being over 3 feet away from the actual location for the valve..... took a while to locate the little booger the first time
__________________
 Lee, Edith, Lil' Bit & Cuddles
22 MHC 331RL, Surge Guard 35550, SumoSprings, Kodiak disc brakes, 412Ah Lithium, Gen 3 Goosebox, Sailun 85s
22 Ram 3500 CC DRW 6.7 CTD Herrin Hauler Classic Bed, 45 gal AUX tank
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10-17-2022, 06:17 PM
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#15
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New Member
Join Date: May 2020
Location: Lemon grove
Posts: 2
M.O.C. #26187
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I have same issue. Can’t believe there was never a recall for this problem. Big bad on the manufacturer. I relabeled sensor panel and pull handles. Only problem is hose hookup for black tank clean out is actually on the grey tank. So no convenient way to blow out black tank. Again bad on Montana.
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11-06-2022, 12:34 AM
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#16
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New Member
Join Date: Nov 2022
Location: Penns Grove
Posts: 2
M.O.C. #31935
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Second gray tank
Quote:
Originally Posted by rohrmann
I’m pretty sure you also have a second gray tank usually called a galley tank and might find that handle in front or behind the drivers side tires up high possibly at the frame. Just because the ‘specs’ only show one gray tank capacity does not mean you only have one gray tank.
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I also have that lever at the wheels and the label on the body panel saying grey tank. I bought this new in January but only got to use it a few weeks ago. Nothing seemed to have gone in it, so I assumed it may be for the washer that is not installed yet. Haven't been able to find anything on it as of yet, if anyone knows about this third tank that is not listed in the specs.
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11-06-2022, 12:39 AM
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#17
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New Member
Join Date: Nov 2022
Location: Penns Grove
Posts: 2
M.O.C. #31935
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Quote:
Originally Posted by Lee-CI
Or like in our case, the label for the galley gray tank dump handle being over 3 feet away from the actual location for the valve..... took a while to locate the little booger the first time
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What goes to this 3rd tank? I also have one. The spec sheets don't list it or at least the ones I have seen.
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11-06-2022, 03:41 AM
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#18
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Montana Master
Join Date: Dec 2021
Location: Northeast TX
Posts: 941
M.O.C. #30262
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Quote:
Originally Posted by dominiquecockers
What goes to this 3rd tank? I also have one. The spec sheets don't list it or at least the ones I have seen.
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Normally you will have two grey tanks - one for the bathroom sink /shower as well as another for the galley (kitchen) tank. The handle for our galley tank is just forward of the driver's side front axle. The label for the tank is supposed to be right above the handle so as to help locate it, but the label was way off where it should have been.
__________________
Lee, Edith, Lil' Bit & Cuddles
22 MHC 331RL, Surge Guard 35550, SumoSprings, Kodiak disc brakes, 412Ah Lithium, Gen 3 Goosebox, Sailun 85s
22 Ram 3500 CC DRW 6.7 CTD Herrin Hauler Classic Bed, 45 gal AUX tank
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11-06-2022, 04:03 AM
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#19
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Montana Master
Join Date: Oct 2019
Location: Jacksonville
Posts: 2,140
M.O.C. #25165
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Quote:
Originally Posted by dominiquecockers
What goes to this 3rd tank? I also have one. The spec sheets don't list it or at least the ones I have seen.
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The specs do not list "tanks" per-se, but capacities. You should have 2 gray tanks for the total capacity listed. Mine lists 88 gallons of gray water. One tank is the shower and bathroom sink, the other is the kitchen or galley sink.
Each tank is 44 gallons, as confirmed by filling with a flow through water meter.
__________________
Robert & Diana McNeal
2019 Montana Legacy 3791RD 20th Anniversary Edition
2014 F350 4x4 6.7L SRW
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11-06-2022, 09:52 AM
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#20
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,364
M.O.C. #4831
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Quote:
Originally Posted by dominiquecockers
What goes to this 3rd tank? I also have one. The spec sheets don't list it or at least the ones I have seen.
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The 3rd tank on your 3121RL is for the kitchen sink.
__________________
Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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