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01-10-2022, 02:37 PM
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#1
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Seasoned Camper
Join Date: Jan 2022
Location: Ashland
Posts: 64
M.O.C. #30303
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Leaking Vacuum Breaker
2021 Montana 3761FL. Found water leaking into basement and further troubleshooting found little plastic vac breaker to protect black tank flush from siphoning into clean water was leaking. Mine was located under MBR sink. Anyone have that issue? Made quite a mess. I ended up pulling this out and now I use a flex hose and union to make a complete disconnect to avoid siphon. Anyone have better idea? This is a pain but got sick of cleaning up.
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01-10-2022, 02:42 PM
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#2
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Montana Fan
Join Date: Oct 2010
Location: Park Hill
Posts: 166
M.O.C. #10841
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Common problem with these valves. You can replace it with one that is better quality or straight line it.
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01-10-2022, 06:32 PM
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#3
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Montana Fan
Join Date: Nov 2019
Location: Roseville
Posts: 265
M.O.C. #25257
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With this being a common problem, I changed mine the first day I brought the rig home from the dealer.
__________________
Jim and Carole
Roseville, MN
2018 RAM 3500 DRW, Diesel, Long Box, Air Lift Bags - 2020 Montana HC 381TH, Sailun S637
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01-10-2022, 07:13 PM
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#4
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,550
M.O.C. #2283
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Take it off and throw it away and connect the two ends. You will never have another problem.
Lynwood
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01-10-2022, 07:18 PM
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#5
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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Have removed everyone from all our Monty's. I use a brass type on the outside before the water goes into the flush outlet.
__________________
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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01-10-2022, 07:57 PM
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#6
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,167
M.O.C. #6433
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Some have replaced it with a better one. Most have simply removed it and connected the pipes together. And most of us doing that use an external vacuum breaker at the hose connection.
Just be glad it wasn’t in a wall like mine was.
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Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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01-11-2022, 08:50 AM
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#7
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Montana Master
Join Date: May 2018
Location: livingston,tx
Posts: 558
M.O.C. #21685
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02-18-2022, 12:29 PM
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#8
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Montana Master
Join Date: Dec 2017
Location: Chattanooga
Posts: 663
M.O.C. #20906
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Quote:
Originally Posted by DQDick
Have removed everyone from all our Monty's. I use a brass type on the outside before the water goes into the flush outlet.
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Dick, can you pass along what you used and where you got it from. Mine is leaking under the bathroom sink with I flush the black tank.
Thanks in advance.
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2019 Montana 3121RL
2017 XLT 350 SCLB DRW 4X4
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02-18-2022, 04:03 PM
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#9
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,698
M.O.C. #24086
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Here you go
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02-18-2022, 04:48 PM
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#10
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Montana Master
Join Date: Dec 2017
Location: Chattanooga
Posts: 663
M.O.C. #20906
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Quote:
Originally Posted by Daryles
Here you go
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Thanks Daryles, did you consider doing away with the internal valve and go with on screwed onto the convivence center connection?
__________________
2019 Montana 3121RL
2017 XLT 350 SCLB DRW 4X4
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02-18-2022, 05:07 PM
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#11
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,698
M.O.C. #24086
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No I just replaced it.
I got the valve and elbows at Lowe's. Also bought shut off valves for the PEX pipes to the washer ( we don't have one). Got PEX tool crimping kit.
Assembled the valve and crimped it in.
Then installed the shut off valves to the washer right after the junction. Less to winterize.
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02-18-2022, 05:26 PM
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#12
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Montana Master
Join Date: Dec 2017
Location: Chattanooga
Posts: 663
M.O.C. #20906
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Quote:
Originally Posted by Daryles
No I just replaced it.
I got the valve and elbows at Lowe's. Also bought shut off valves for the PEX pipes to the washer ( we don't have one). Got PEX tool crimping kit.
Assembled the valve and crimped it in.
Then installed the shut off valves to the washer right after the junction. Less to winterize.
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I do like the idea of being able to valve off the water lines to the washer connections. We don't have one and 99% certain we never will.
__________________
2019 Montana 3121RL
2017 XLT 350 SCLB DRW 4X4
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02-18-2022, 05:33 PM
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#13
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Montana Master
Join Date: Dec 2009
Location: Sebring
Posts: 3,659
M.O.C. #9969
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Never say never.
We thought they were silly until our First SnowBird adventure for three months. Lost a few shirts due to oil/grease or something inside CG washers. Granted not expensive shirts, just the thought that something more important could be ruined. Ordered a Vented Combo Washer/Dryer on the way home that spring. Put another Combo in our second unit and now have the Stacked Washer & Dryer since this unit has a specific cabinet for them.
__________________
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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02-18-2022, 05:37 PM
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#14
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Montana Master
Join Date: Dec 2017
Location: Chattanooga
Posts: 663
M.O.C. #20906
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Quote:
Originally Posted by mhs4771
Never say never.
We thought they were silly until our First SnowBird adventure for three months. Lost a few shirts due to oil/grease or something inside CG washers. Granted not expensive shirts, just the thought that something more important could be ruined. Ordered a Vented Combo Washer/Dryer on the way home that spring. Put another Combo in our second unit and now have the Stacked Washer & Dryer since this unit has a specific cabinet for them.
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I stand corrected, never is a long time, but I am getting old. And I did leave myself an out by saying "99%"!
__________________
2019 Montana 3121RL
2017 XLT 350 SCLB DRW 4X4
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02-18-2022, 05:59 PM
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#15
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,698
M.O.C. #24086
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Quote:
Originally Posted by Baldicon
I do like the idea of being able to valve off the water lines to the washer connections. We don't have one and 99% certain we never will.
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Sometimes people report bad smelling water. They flush the freshwater tank and pipes but forget about the washer pipes. Once they flush these pipes all is well.
That's another reason to put in shut off valves to the washer.
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