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Old 06-23-2012, 02:20 PM   #1
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We decided to go dry camping in our RL this weekend. I attempted to fill our fresh water tank, but after a short period, water began to pour steadily from a blue hose protruding through the belly pan inside the frame rail. It's not coming from the low-point drain valves (which are both outside the frame rails). Also not coming from the fresh water drain line which is inside the frame rail, but further toward the front. It's just a blue cutoff hose.

It's possible that this is an overflow hose, but the stream of water seems to drain at least 5+ gals of water before dribbling to a stop.

The monitor says "full" when it is flowing and after it gradually stops. But shortly after using some water the tank gauge reads "empty". Certainly Isn't filling to 90 gallons.

Anyone experiencing this or have thoughts?

Edited by: 5th_Time
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Old 06-24-2012, 06:00 AM   #2
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Quote:
Originally Posted by 5th_Time
We decided to go dry camping in our RL this weekend. I attempted to fill our fresh water tank, but after a short period, water began to pour steadily from a blue hose protruding through the belly pan inside the frame rail. It's not coming from the low-point drain valves (which are both outside the frame rails). Also not coming from the fresh water drain line which is inside the frame rail, but further toward the front. It's just a blue cutoff hose.

It's possible that this is an overflow hose, but the stream of water seems to drain at least 5+ gals of water before dribbling to a stop.

The monitor says "full" when it is flowing and after it gradually stops. But shortly after using some water the tank gauge reads "empty". Certainly Isn't filling to 90 gallons.

Anyone experiencing this or have thoughts?


I had the same trouble one time also I thought it was
overflow also but it kept running, a lot out of the tank drained. It stoped after most of the water drained and I placed my finger over the hose where it was comming out. The water hose that I was using has a lot of
pressure on it so when I refilled the tank I cut the pressure way back and
filled it slow and had no problem, I filled it that time till it overflowed out
the overflow that is located where the fill is.<?: prefix = o ns = "urn:schemas-microsoft-comfficeffice" />

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Old 08-30-2012, 11:03 PM   #3
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I had the problem of water coming out of that blue pipe but I wasn't filling the fresh water tank. I've looked behind the wall in the basement through the water filter door and there seems to be numerous hoses connected to that drain. Just sitting I get luke warm drips and a couple of weeks ago had what seemed like gallons of cold water pouring out as I drove out of an RV park. I asked at the dealer and they have, surprise, no idea what the blue pipe is actually for.
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Old 08-31-2012, 09:59 PM   #4
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Quote:
Originally Posted by 5th_Time
We decided to go dry camping in our RL this weekend. I attempted to fill our fresh water tank, but after a short period, water began to pour steadily from a blue hose protruding through the belly pan inside the frame rail. It's not coming from the low-point drain valves (which are both outside the frame rails). Also not coming from the fresh water drain line which is inside the frame rail, but further toward the front. It's just a blue cutoff hose.

It's possible that this is an overflow hose, but the stream of water seems to drain at least 5+ gals of water before dribbling to a stop.

The monitor says "full" when it is flowing and after it gradually stops. But shortly after using some water the tank gauge reads "empty". Certainly Isn't filling to 90 gallons.

Anyone experiencing this or have thoughts?
Hi Mike,
That blue hose is the fresh water tankover flow. I had the same problem. Brian had it fixed at the factory. he said you have tolenthen the hose, above the fresh water tank and put a loop in it, like on a dishwasher drain hose, so it won'tpull the water out when the tank gets to a certain level.
Lillyputz
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Old 08-31-2012, 10:50 PM   #5
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Luckily, I had them fix my RL at the factory while I was at the rally. They filled it to the top and it worked!
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Old 09-01-2012, 10:58 AM   #6
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Anyone know if they're taking care of this during manufacturing on newer units?
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Old 09-01-2012, 11:10 AM   #7
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Sure would like an understanding of how a water tank that is MAYBE 1/3 full would "overflow". I say maybe because the sensors on these tanks are so crappy that they won't give real readings on even the fresh water tank i.e. no solids to foul the sensors.
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Old 09-01-2012, 12:08 PM   #8
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I had the same problem. I believe that this overflow tube may be down to far into the freshwater tank and when you do start to get water flowing out of it it continues until the water in the tank drop below the end of the tube. Syphon effect going on I think???
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Old 09-01-2012, 12:51 PM   #9
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Yes it's Syphoning they try to get a big loop in the line and tie it as high as they can get it. My 2011 did it all the time we added more hose and coiled it up and that stopped it but who runs around with that much water in the fresh tank a full tanks over 800#
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Old 09-01-2012, 01:50 PM   #10
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Yes, but if you're staying at a CG that doesn't have water, you need to fill up on the way in and you don't want to lose half of it while getting to your site. Guess I'll have to drop the belly pan under the tanks and do something with that hose.
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