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11-01-2017, 10:11 AM
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#1
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Montana Fan
Join Date: Oct 2017
Location: Tyler
Posts: 193
M.O.C. #20704
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Shower not draining all of a sudden
Hello folks,
My 2018 3739 FL has been good so far - until last night. Took a shower before bed and all of a sudden the shower drain stopped up. This is a new unit only less than a month old. I did notice the expanding foam insulation around the shower downspout that connects to the main drain has shifted down - appears to have pulled away from where it had been applied on the underbelly. Vent may be clogged or may just need a good plunging and some Draino? Seems strange to all of a sudden have this issue after using the shower daily - ideas?
__________________
Maxwell and Beverly Dow
2018 3730FL 2020 Ram 3500 Dually SWB
"Prairie Schooner"
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11-01-2017, 10:38 AM
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#2
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Montana Master
Join Date: Sep 2017
Location: Tacoma
Posts: 1,567
M.O.C. #20475
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Just asking but is the gray tank full? I'm sure you already checked that. the next thing to
do is snake the drain you may have a plugged trap don't see to many plugged vents the vent use ale only causes slow draining does the sink fill up to?
Bob & Carol
Tacoma WA
2017 352RL 2008 Dodge 3500 DRW crew cab 4x4 6.7L
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11-01-2017, 10:46 AM
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#3
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Montana Master
Join Date: May 2005
Location: Fall Creek
Posts: 1,337
M.O.C. #3699
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Be VERY careful with a snake, you may have the hepa thing in place of the standard p-trap, you could destroy that hepa thing.
__________________
Bob and Nancy Kassl Fall Creek, Wisconsin
2015 Montana 3440RL Legacy Edition, G614's, Pressure Pro TPMS, Dish Tailgaters
2016 GMC Sierra Denali 3500 CC SRW, Iridium Metallic, Duramax Allison Transmission
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11-01-2017, 10:51 AM
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#4
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Seasoned Camper
Join Date: Sep 2017
Location: Saint Clairsville
Posts: 53
M.O.C. #20516
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Quote:
Originally Posted by RKassl
Be VERY careful with a snake, you may have the hepa thing in place of the standard p-trap, you could destroy that hepa thing.
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Hepa thing? could you elaborate or even a link. thanks in advance
__________________
2017 F350SD/4x4/DRW
Montana 356TBF
Cory
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11-01-2017, 10:57 AM
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#5
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,691
M.O.C. #4831
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You have a HepVo valve instead of a P trap. A search on HepVo will provide lots of info. Here is one that jumped out at me
http://www.montanaowners.com/forums/...ad.php?t=70434
__________________
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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11-01-2017, 10:59 AM
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#6
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Montana Master
Join Date: Sep 2017
Location: Tacoma
Posts: 1,567
M.O.C. #20475
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The Hepa valve is a one valve you put in instead of a pee trap not stock on most rigs.
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11-01-2017, 11:17 AM
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#7
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,691
M.O.C. #4831
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Quote:
Originally Posted by BuilderBob
The Hepa valve is a one valve you put in instead of a pee trap not stock on most rigs.
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HepVo valves are definitely stock on Montanas and have been for years, Perhaps not on HCs (I haven't looked at those).
__________________
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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11-01-2017, 12:47 PM
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#8
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Montana Fan
Join Date: Oct 2017
Location: Tyler
Posts: 193
M.O.C. #20704
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Thanks everyone - the other sinks all fill and drain fine. The grey tank is wide open. The black tank is closed. Plunger may have helped a little - whatever it is it clogged the drain pretty good. I dont think Copenhagen would do that. Letting a little Drano work on it for a few min. We’ll see. I can see a P trap from the belly so if a Hepa thing is supposed to replace that, then I dont think I have one of those.
__________________
Maxwell and Beverly Dow
2018 3730FL 2020 Ram 3500 Dually SWB
"Prairie Schooner"
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11-01-2017, 01:31 PM
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#9
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Montana Master
Join Date: Oct 2015
Location: westminster md
Posts: 2,328
M.O.C. #17894
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Do I read you right, You put chewing tobacco down the shower drain ?. And no I would not use draino on anything in my RV or house for that matter.
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11-01-2017, 02:24 PM
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#10
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Montana Fan
Join Date: Oct 2017
Location: Tyler
Posts: 193
M.O.C. #20704
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Shower stopped draining - Part 2
Quote:
Originally Posted by MaxwellD
Thanks everyone - the other sinks all fill and drain fine. The grey tank is wide open. The black tank is closed. Plunger may have helped a little - whatever it is it clogged the drain pretty good. I dont think Copenhagen would do that. Letting a little Drano work on it for a few min. We’ll see. I can see a P trap from the belly so if a Hepa thing is supposed to replace that, then I dont think I have one of those.
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Well, I have been wrong before (once). I can see the membrane just below the shower strainer so I have a Hepa. Plunging did not help after all. Neither did Drano. I began bailing out the water with a Dixie cup but didn’t seem to be getting anywhere so I went to a trash can to bail with. Sure enough, water is coming in from the drain. Both grey tanks are open - nothing comes out the sewer line but flows back into shower. Now I wonder if the tank valves are operating - they were a two weeks ago! It is like the grey tanks are chocked full but wont empty. Ideas?
__________________
Maxwell and Beverly Dow
2018 3730FL 2020 Ram 3500 Dually SWB
"Prairie Schooner"
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11-01-2017, 03:13 PM
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#11
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Montana Fan
Join Date: Sep 2015
Location: Eureka Springs
Posts: 432
M.O.C. #17829
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[QUOTE=MaxwellD;1078587]Well, I have been wrong before (once). I can see the membrane just below the shower strainer so I have a Hepa. Plunging did not help after all. Neither did Drano. I began bailing out the water with a Dixie cup but didn’t seem to be getting anywhere so I went to a trash can to bail with. Sure enough, water is coming in from the drain. Both grey tanks are open - nothing comes out the sewer line but flows back into shower. Now I wonder if the tank valves are operating - they were a two weeks ago! It is like the grey tanks are chocked full but wont empty. Ideas?[/QUOTE
Is your bathroom sink draining?
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11-01-2017, 03:30 PM
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#12
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,691
M.O.C. #4831
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The shower drain is the low point of the circuit. The sink and washer are all higher so water into them, when the tank is full, will go down. It just raises the level in the shower.
I think you have a full tank. You can bail the shower and then run some water in the sink and see if it goes back up. Otherwise close all the other drains connected to the sewer hose, undo the sewer hose and try running a snake or something up into the tank to see how far it goes. Maybe then you can gauge the open/close status. I don't know if this is practical or not.
If it were me, I would drop the back 3 feet of the coroplast in the dropped frame section and look at the valve. Not too tough to do and likely quicker than snaking the line.
__________________
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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11-01-2017, 03:39 PM
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#13
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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Only one other thing to ask first. Did you follow others advice and add a twist on gate valve to the end of your sewer connection? I've gotten to a campground and forgot to open that before.
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11-01-2017, 03:57 PM
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#14
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Montana Fan
Join Date: Oct 2017
Location: Tyler
Posts: 193
M.O.C. #20704
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[QUOTE=Razrbk;1078592]
Quote:
Originally Posted by MaxwellD
Well, I have been wrong before (once). I can see the membrane just below the shower strainer so I have a Hepa. Plunging did not help after all. Neither did Drano. I began bailing out the water with a Dixie cup but didn’t seem to be getting anywhere so I went to a trash can to bail with. Sure enough, water is coming in from the drain. Both grey tanks are open - nothing comes out the sewer line but flows back into shower. Now I wonder if the tank valves are operating - they were a two weeks ago! It is like the grey tanks are chocked full but wont empty. Ideas?[/QUOTE
Is your bathroom sink draining?
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Yes, but it comes directly back up into the shower pan -
Thanks,
Max
__________________
Maxwell and Beverly Dow
2018 3730FL 2020 Ram 3500 Dually SWB
"Prairie Schooner"
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11-01-2017, 04:03 PM
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#15
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Montana Fan
Join Date: Oct 2017
Location: Tyler
Posts: 193
M.O.C. #20704
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Quote:
Originally Posted by DQDick
Only one other thing to ask first. Did you follow others advice and add a twist on gate valve to the end of your sewer connection? I've gotten to a campground and forgot to open that before.
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Not sure I understand - are you saying to twist the gate valve handle when you open or shut it? I never knew that.
__________________
Maxwell and Beverly Dow
2018 3730FL 2020 Ram 3500 Dually SWB
"Prairie Schooner"
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11-01-2017, 04:07 PM
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#16
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Montana Fan
Join Date: Oct 2017
Location: Tyler
Posts: 193
M.O.C. #20704
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Quote:
Originally Posted by DQDick
Only one other thing to ask first. Did you follow others advice and add a twist on gate valve to the end of your sewer connection? I've gotten to a campground and forgot to open that before.
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Quote:
Originally Posted by beeje
Do I read you right, You put chewing tobacco down the shower drain ?. And no I would not use draino on anything in my RV or house for that matter.
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Well Copenhagen is not really chewing tobacco. I am not a big fan of Drano either but desperate times can call for desperate measures.
Thanks,
Max
__________________
Maxwell and Beverly Dow
2018 3730FL 2020 Ram 3500 Dually SWB
"Prairie Schooner"
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11-01-2017, 04:39 PM
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#17
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Montana Master
Join Date: Oct 2015
Location: westminster md
Posts: 2,328
M.O.C. #17894
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I just looked up the floor plan for a 3730fl. The bath is towards the rear. Is there a dump valve that you are missing ? (not pulling) towards the rear around the wheels somewhere. I am guessing the tank is full.
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11-01-2017, 05:04 PM
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#18
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Montana Master
Join Date: Sep 2017
Location: Tacoma
Posts: 1,567
M.O.C. #20475
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Hay Carl not to start anything but I find it funny that all Montana's come with Hepov valves I have a friend that just picked up his 2018 3160RL and it has regular pee traps under the sinks so I don't know I put Hepov valves in my 352RL HC and in my last two
5er's .
Bob & Carol
Tacoma WA
2017 352RL 2008 Dodge 3500 DRW crew cab 4x4 6.7L
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11-01-2017, 05:33 PM
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#19
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Montana Fan
Join Date: Sep 2015
Location: Eureka Springs
Posts: 432
M.O.C. #17829
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[QUOTE=MaxwellD;1078599]
Quote:
Originally Posted by Razrbk
Yes, but it comes directly back up into the shower pan -
Thanks,
Max
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Then x2 on Carl's advice, unless there's an unopened valve....
Or, you can take it back and have it addressed under warranty.
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11-01-2017, 05:40 PM
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#20
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Montana Fan
Join Date: Oct 2017
Location: Tyler
Posts: 193
M.O.C. #20704
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Quote:
Originally Posted by beeje
I just looked up the floor plan for a 3730fl. The bath is towards the rear. Is there a dump valve that you are missing ? (not pulling) towards the rear around the wheels somewhere. I am guessing the tank is full.
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Yes sir there is. I have one up towards the nose, and one behind the wheels in a box along with the black tank valve. Both grey valves are pulled open. I agree at this point, there must be a broken valve and the gate is not opening so the tank must be full. One valve (the rear one) feels like it is actuating (has a little drag on it). The one up front feels like it may not be opening a valve. Good thing is, Keystone has authorized a mobile tech to come and diagnose and repair. Maybe have it fixed tomorrow.
__________________
Maxwell and Beverly Dow
2018 3730FL 2020 Ram 3500 Dually SWB
"Prairie Schooner"
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