Musky50
Ky
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Joined: 03/26/2012
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Everyone says the tank sensors are unreliable? I can see in the black tank with a flashlight so it isnt a problem. What indicator other than the sensor do you look for when the gray tank is getting full?
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Allworth
Orlando, FL
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Joined: 10/10/2006
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Shower will not drain.
Formerly posting as "littleblackdog"
Martha, Allen, & Blackjack
2006 Chevy 3500 D/A LB SRW, RVND 7710
2008 Titanium 30E35SA; EZ-Lube axles; wet bolts; spring hanger gussetts; BFG Commercial TAs
"Real Trucks Don't Have Sparkplugs"
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gbopp
The Keystone State
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Joined: 08/03/2008
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Allworth wrote:Shower will not drain.
x2
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Janss
Sedona, AZ
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Joined: 04/29/2010
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Gray tanks overflow into the shower. Over time, you'll get an idea of how many days of water usage and how many showers you can take before the tank is full. I have the same problem. My lights are always showing the gray tank is 2/3 full.
2002 Itasca Suncruiser 32V
2012 Suzuki Grand Vitara
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sheltonlp
Washington State
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Joined: 06/02/2011
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While not exactly accurate I find that the sensors do give you an idea of how much is in there...a ballpark.
2012 Evergreen Everlite 32RBK-DS
2011 Toyota Tundra 5.7 Rock Warrior
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Old-Biscuit
Across the USA
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Joined: 06/20/2009
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When the toilet 'burps'...time to dump back tank
When the sinks start to drain slowly.....time to dump grey tank(s)
2007 RAM 3500 QC LB SRW 5.9L CTD 48re 4:10 4K in bed 'quiet genny'
2007 HitchHiker II 32.5 UKTG 2000W Xantex Inverter
Hit the Road Free & Clear April '07
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UsualSuspect
Saugus, CA
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Joined: 05/23/2007
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Depends on how it was manufactured. I was in a campground a few weeks ago and saw a guy open the basement door and create a waterfall. Apparently some grey tanks have vents in the basement and are not vented through to the roof. I didn't know you could do this, but according to a couple RV repair Tech's I talked to they said they see it all the time, is ok since it is grey and not black, and the vent is lower than the shower drain, so it may not come up through the shower.
2007 Fleetwood Excursion 40E Cat C7 350 HP
2007 Chev 2500HD D/A Long bed CC
2011 Toyota Tundra
Gone but not forgotten, 2008 Jayco 299 RLS
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Johnworth914
USA!
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Joined: 04/27/2012
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Allworth wrote:Shower will not drain.
Funny
Alaska is next! Still trying to fit the pontoons to the RV so We can get to Hawaii!
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bukhrn
Lanexa, Va
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Joined: 03/20/2005
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Johnworth914 wrote:Allworth wrote:Shower will not drain.
Funny It may sound a little funny, but trust me, allworth is not trying to be funny, as that is exactly what will happen if the grey tank gets overfull.
2007 Forester 2941DS
2005 KIA Spectra
Zamboni, Long Haired Mini Dachshund
You can have my RV, when you pry my cold dead fingers from the Steering Wheel
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1775
NY
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Joined: 09/30/2009
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While my black tank's sensors are not reliable, my grey tank sensors are. There is less to foul up the readings on the grey tank. There is not much that will hang up on the sensors to give false readings in the grey tank - as there is in the black tank.
Roadtrek 190 Popular 2011
Meryl and Me Hit the Road
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