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Old 07-31-2012, 06:44 PM   #1
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I have a 2011 36RL fifth wheel. I can not drain the gray tank. When I
pull the lever to open the valve nothing comes out. The cable valve
feels like it is working. The status panel says the tank is full. With
the gray tank valve opened I ran the shower to see if the water would
run thru the tank and out the sewer hose nothing comes out. About a
week ago I drained the gray tank and it drained slow. We are full time
camp host and I need to fix this as soon as possible.
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Old 07-31-2012, 07:48 PM   #2
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Ok. Time to call the factory. Sry, that's all the help I can give. We have a FL and We only have 1 grey water tank as the other one is for the laundry, which we do not haveEdited by: Campers
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Old 07-31-2012, 09:47 PM   #3
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We have a 36 FL and we have two grey water tanks, one for the kitchen and one for the bath, did I misunderstand something as you should have two tanks as well.
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Old 07-31-2012, 10:18 PM   #4
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John, according to the schematics, FL owners who don't have a washer/dryer have access to only one of the tanks. That is what all the blade valve modifications threads have been about.
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Old 07-31-2012, 10:36 PM   #5
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I'd go out and buy a 25' drain snake, put on some rubber gloves, and fish the snake through the connection where the sewer hose comes out. Messy, stinkey job, but it should clear any clog. Run the snake through both grey tanks keeping the black tank closed. Good luck.
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Old 08-01-2012, 08:28 AM   #6
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We have a 36FL and this is the mod I made to enable me to equalize the gray tanks.





I just close the new valve and open both gray tank valves. The water will drain from the full tank and back into the empty one.
The factory plumbing is a real head scratcher because, like COLJDM mentioned, only the washer drains into one tanks while the other handles the kitchen and bath. It's doesn't take long to fill a 45 gallon tank.
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Old 08-01-2012, 08:29 AM   #7
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Ours was prepped for washer and dryer but we did not order one. We have 3 valves on the side of the coach, one marked black, one marked galley and one marked grey.
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Old 08-01-2012, 12:52 PM   #8
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We do too. Any idea what the capacity is for each of the two grey tanks? Galley seems to fill up quickly.
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Old 08-01-2012, 01:01 PM   #9
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104 gallons fresh, 45, 45, 45 gallons for each of the black, grey, and grey. That's why COLJDM and TravelinAnderson put the extra value in the sewer line. Gives them 90 gallon combined grey when they close the sewer valve.
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Old 08-01-2012, 01:40 PM   #10
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Quote:
Originally Posted by COLJDM
We have a 36 FL and we have two grey water tanks, one for the kitchen and one for the bath, did I misunderstand something as you should have two tanks as well.
Our 1 tank is for the galley and bath room the other one is for the washer anddryer.We only have 45 gal of gray water usable, unless we ad the valve that Travelenanderson put on.
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