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03-30-2018, 01:49 AM
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#1
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Senior Member
Brand: Thor Motor Coach
Model: 2017 Miramar 34.4
State: Florida
Posts: 307
THOR #9721
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Toilet Water Disappearing
2017 Miramar 34.4. I believe our toilet is leaking. Sometimes when I go to use it, the top of the egg (the valve) is exposed above the water or very little water at the base of the bowl. I'm assuming the seal at the bottom of the toilet is leaking.
What is a way to validate that it is still installed properly or if it needs to be replaced? How do I know what toilet I have? It's a ceramic base.
Thank you!
__________________
Russ Sanderlin
USMC Veteran
2017 Miramar 34.4
RV Travel Bug
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03-30-2018, 02:11 AM
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#2
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Axis/Vegas Enthusiast
Brand: Thor Motor Coach
Model: Axis 24.4
State: Michigan
Posts: 9,837
THOR #1150
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The gasket on the ball valve wears out. I've already had to replace ours. Its fairly easy to do.
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03-30-2018, 02:32 AM
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#3
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Senior Member
Brand: Thor Motor Coach
Model: Miramar 34.4
State: Iowa
Posts: 796
THOR #4488
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I have a 2016 Miramar and had the same problem. I found using a TP that is septic approved and allowing the pedal to snap closed solved my issue. It seems normal toilet paper would occasionally get stuck in the valve and shutting the valve quietly it wouldn't seat completely. I know it sounds weird but it worked.
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03-30-2018, 02:52 AM
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#4
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Senior Member
Brand: Thor Motor Coach
Model: S.O.B.
State: California
Posts: 1,368
THOR #3483
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Toilet Leaking
The other thing you can try is to get a tube of silicone grease, usually used for pool supply gaskets, comes in a tube. Put some on your finger (wear gloves) and rub it on the gasket.
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03-30-2018, 01:13 PM
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#5
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Senior Member
Brand: Thor Motor Coach
Model: 2016 Siesta Sprinter 24ST
State: Florida
Posts: 604
THOR #2812
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Clean the groove that the ball seal closes into.(old denture brush, Q-tip) Then apply silicone grease. (quarter size container is lifetime supply)
__________________
U.S. Coast Guard retired- 1956-1985
Pensacola, Florida
2016 Siesta 24ST
1972 Moto Guzzi Eldorado
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03-30-2018, 01:26 PM
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#6
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Senior Member
Brand: Thor Motor Coach
Model: Challenger 37KT
State: Texas
Posts: 235
THOR #1183
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If cleaning does not work it is possible that hard water deposits on seal and ball valve are causing the problem. Before replacing seal, with water supply off empty bowl, add full strength CLR - enough to cover black seal and let it sit - adding as needed to replace any leakage. Several hours should be enough. I do CLR every couple months and current seal is over two years old with fulltime use.
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03-30-2018, 02:50 PM
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#7
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Senior Member
Brand: Thor Motor Coach
Model: 2017 Miramar 34.4
State: Florida
Posts: 307
THOR #9721
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Good morning everyone. This is some great feedback. This coach is essentially a new and thought it might be a bit premature for this thing to wear out so soon. This morning, I was the first one up and the water level was normal. I'm thinking that perhaps there may be something inconsistent with how the foot pedal valve is closed might be an issue.
The CLR and pool silicone seal are some great tips!
__________________
Russ Sanderlin
USMC Veteran
2017 Miramar 34.4
RV Travel Bug
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03-30-2018, 03:23 PM
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#8
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Senior Member
Brand: Thor Motor Coach
Model: Vegas 24.1
State: Arizona
Posts: 107
THOR #5820
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Quote:
Originally Posted by axis earl
The other thing you can try is to get a tube of silicone grease, usually used for pool supply gaskets, comes in a tube. Put some on your finger (wear gloves) and rub it on the gasket.
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Yep, this is what I do and it works
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03-30-2018, 03:23 PM
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#9
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Senior Member
Brand: Thor Motor Coach
Model: Four Winds 22B
State: Florida
Posts: 465
THOR #5326
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I rub some Vaseline on the gasket about every 6 months no issues anymore
__________________
Don & Liz B.
Four Winds 22B
Sunseeker 2800QSF GTS (Loss to hurricane Ian)
Windsport 27K
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03-30-2018, 03:49 PM
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#10
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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03-30-2018, 04:00 PM
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#11
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Senior Member
Brand: Redwood
Model: 36FB
State: Arizona
Posts: 1,766
THOR #3610
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Quote:
Originally Posted by dcbenny
I rub some Vaseline on the gasket about every 6 months no issues anymore
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Vaseline is petroleum based, over time WILL deteriorate the seal. Better to use the silicone grease mentioned or buy a tube of plumbers grease sold at most hardware stores.
__________________
Fulltimed 10+ years
Sold '13 Thor Redwood 36 FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
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03-30-2018, 04:10 PM
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#12
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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I agree!
__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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03-30-2018, 04:16 PM
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#13
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Senior Member
Brand: Thor Motor Coach
Model: 2017 Miramar 34.4
State: Florida
Posts: 307
THOR #9721
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Quote:
Originally Posted by Bob Denman
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Our dog weighs about 12 lbs. She can't even see over the edge of the toilet bowl much less drink out of it.
__________________
Russ Sanderlin
USMC Veteran
2017 Miramar 34.4
RV Travel Bug
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03-30-2018, 05:03 PM
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#14
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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Ours is only five pounds...
But we watch out for her larger friends!
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03-30-2018, 09:34 PM
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#15
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Senior Member
Brand: Thor Motor Coach
Model: Challenger 37KT
State: Texas
Posts: 235
THOR #1183
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Quote:
Originally Posted by Tearstone
Good morning everyone. This is some great feedback. This coach is essentially a new and thought it might be a bit premature for this thing to wear out so soon. This morning, I was the first one up and the water level was normal. I'm thinking that perhaps there may be something inconsistent with how the foot pedal valve is closed might be an issue.
The CLR and pool silicone seal are some great tips!
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As to snap or slow release of pedal - it totally depends on brand and model. Some say let valve snap closed and some say slowly release pedal. Manual for your brand and model best source of info.
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03-30-2018, 10:01 PM
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#16
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Senior Member
Brand: Thor Motor Coach
State: Oregon
Posts: 911
THOR #2271
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If the grease doesn't work, then you can buy a replacement gasket. On some models, you will have to remove the toilet to replace the gasket. On others, it can be done in place.
If the rig is new, ask the selling dealer to fix this under warranty.
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04-08-2018, 10:14 AM
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#17
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Senior Member
Brand: Thor Motor Coach
Model: 25.2 axis
State: South Carolina
Posts: 217
THOR #3992
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Toilet seal
For what it's worth I keep a jar of Vaseline petroleum jelly put around the seal when we leave to go camping been working fine
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04-08-2018, 12:33 PM
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#18
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Senior Member
Brand: Thor Motor Coach
Model: 37GT
State: Florida
Posts: 809
THOR #5246
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Quote:
Originally Posted by Tearstone
Good morning everyone. This is some great feedback. This coach is essentially a new and thought it might be a bit premature for this thing to wear out so soon. This morning, I was the first one up and the water level was normal. I'm thinking that perhaps there may be something inconsistent with how the foot pedal valve is closed might be an issue.
The CLR and pool silicone seal are some great tips!
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Russ, on two different rigs we have purchased over the years this issue has presented itself. One unit was new and one was 18 months old. Our toilet seals had basically just dried out a little from the dealer having the unit with no water turned on or sitting in the bowl.
Once I lubricated the seal a couple of times and made sure the seal was clean we were good to go and the bowls began holding water again. If you are replacing these seals every year or so then there is something going in that bowl that shouldn't be.
__________________
Full Time in 2017 Newmar Ventana 4369
pulling a 24' enclosed (Mini Cooper/Harley/Kayak)
(traded 2014 Thor Challenger)
US Army 70-73 Retired LEO
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04-08-2018, 06:06 PM
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#19
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Senior Member
Brand: Thor Motor Coach
State: Oregon
Posts: 911
THOR #2271
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Quote:
Originally Posted by dcbenny
I rub some Vaseline on the gasket about every 6 months no issues anymore
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You shouldn't use Vaseline.
From the Thetford page
Quote:
Can I use Vaseline (petroleum-based product) to lubricate the seal?
No, it will cause the seal to further deteriorate. We suggest use of a toilet seal lubricant or drain valve lubricant to lubricate the seal.
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