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Grey tank full before tank monitor says so....


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Just wondering what could be the cause of this:

Our grey tank showed 70% on the seelevel indicator, but began to back up in the shower as well as the kitchen sink. We are level from front to back AND side to side.

Have any of you experienced this before?

2021 Oliver Legacy Elite II - Twin Bed - Hull 762 | 2018 F150 3.5L Ecoboost V6 w/ Max Tow package

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Yes. Raise the nose a little and see if it helps. 

Read this thread

 

Edited by Townesw
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Bill and Martha

2018 LEII Hull 313

2019 Chevrolet 2500HD Duramax

 

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Be sure and check to see that you opened the grey water valve in the bathroom.  We have forgot to do this when traveling from one site to another and experienced the water backing up in the sink and shower drain.  Once opened back up, all flowed well again.

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2018 F150 XLT Supercrew 5.0 4x4  

2020 Oliver Legacy Elite I  *  Hull #664

Located SE Texas Region

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19 minutes ago, QuestionMark said:

Be sure and check to see that you opened the grey water valve in the bathroom.  We have forgot to do this when traveling from one site to another and experienced the water backing up in the sink and shower drain.  Once opened back up, all flowed well again.

OP said water was backing up in the kitchen sink. 

Bill and Martha

2018 LEII Hull 313

2019 Chevrolet 2500HD Duramax

 

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On our LE1 water will back up in the sink and the shower if the valve is closed.  I have not traced it down as to why, but my best guess the valve also blocks in the vent thereby not allowing the water to flow down into the tank.    Perhaps the LE2's are piped differently.   Easy thing to check the valve position.

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2018 F150 XLT Supercrew 5.0 4x4  

2020 Oliver Legacy Elite I  *  Hull #664

Located SE Texas Region

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7 hours ago, jordanv said:

Just wondering what could be the cause of this:

Our grey tank showed 70% on the seelevel indicator, but began to back up in the shower as well as the kitchen sink. We are level from front to back AND side to side.

Have any of you experienced this before?

I have found the grey and fresh tank SeeLevel indicators to be confusing for the most part (black tank sensor works much better).  At first I thought they were good for "ballpark" estimates, but the readings are never consistent and repeatable so I've come to the conclusion that relying on them is risky.  The tanks are just so "shallow" that the slightest difference in leveling can result in huge discrepancies in the SeeLevel readings.  My strategy is going to be to fill the fresh tank and use the onboard pump rather than just city water pressure.  By using the fresh and grey tank level indicators together I'll have a better "estimate" of how full / empty the tanks are.

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John and Anita

2020 Oliver Elite II, Hull 688

Tow Vehicle:  2006 Silverado 2500HD Crew Cab.  6.6L Duramax

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On 3/24/2021 at 4:34 AM, NCeagle said:

The tanks are just so "shallow" that the slightest difference in leveling can result in huge discrepancies in the SeeLevel readings.  My strategy is going to be to fill the fresh tank and use the onboard pump rather than just city water pressure.  By using the fresh and grey tank level indicators together I'll have a better "estimate" of how full / empty the tanks are.

I totally agree. The first time we noticed the shower didn't drain the grey tank showed 70. The next time, it was at 56. 

After a complete emptying, it sometimes reads 13 or 0. Very unreliable. I think the idea of using the fresh water + pump, and using the two readings in tandem is a good idea.

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2021 Oliver Legacy Elite II - Twin Bed - Hull 762 | 2018 F150 3.5L Ecoboost V6 w/ Max Tow package

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