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Old 04-28-2016, 01:42 PM   #81
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These fixes won't work for my 2013 248rbs. When I fill the tank, I get to 1/3 full and the overflow/vent tubes siphon the tank empty. Any ideas?
How do you know you are only 1/3 full, are you actually measuring the amount of water flow into the tank? If you are looking at the gauges, they are notoriously inaccurate. I had to add the valves on the vent tubes on my trailer, that stopped the siphoning while I was driving.
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Old 04-29-2016, 09:27 PM   #82
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I have a 2016 28BHBE with the Elite Package. Was also loosing 1/3 or more of my water during travel. The dealership (Camping World) added valves to the overflow hoses after I complained about the issue. (Free of charge) I was warned however to make sure the valves were open prior to filling, or I would "blow out the tanks".
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Old 04-29-2016, 09:36 PM   #83
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Wait till your FW tank blows then you'll be sorry you installed those valves. The simple solution is to extend the overflow hoses at least 12 to 16" above the FW tank.
There's a saying; "Pay me now or pay me later"
And shame on the dealership to provide the valve solution.
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Old 04-29-2016, 10:22 PM   #84
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Wait till your FW tank blows then you'll be sorry you installed those valves. The simple solution is to extend the overflow hoses at least 12 to 16" above the FW tank.
There's a saying; "Pay me now or pay me later"
And shame on the dealership to provide the valve solution.
Extending the lines a foot above the floor is simply not an option on a lot of trailers, including mine. Anyplace you might think to extend the lines would result in lines sticking out out of the floor. I put a label next to my water fill port so I don't forget to open the valves.
The shame is on Jayco for not fixing this years ago.
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Old 04-30-2016, 12:33 PM   #85
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Extending the lines a foot above the floor is simply not an option on a lot of trailers, including mine. Anyplace you might think to extend the lines would result in lines sticking out out of the floor. I put a label next to my water fill port so I don't forget to open the valves.
The shame is on Jayco for not fixing this years ago.
Actually, you may not "blow out the tanks" if the water fill port has a breather tube...mine does and I sometimes fill with the overflow tubes closed (I installed shut-offs on them). I also use one of these (http://www.amazon.com/Camco-40003-Wa...=sr_1_2&sr=8-2) when filling so there is plenty of room for air to escape around the nozzle. However, after I fill the tank and park, I do open the overflow tubes.
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Old 04-30-2016, 01:15 PM   #86
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"Extending the lines a foot above the floor is simply not an option on a lot of trailers, including mine. Anyplace you might think to extend the lines would result in lines sticking out of the floor."

So what if you extend them under the sink or in a closet and make a loop just high enough. "If there's a will there's a way".
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Old 04-30-2016, 06:08 PM   #87
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Originally Posted by pman1088 View Post
I have a 2016 28BHBE with the Elite Package. Was also loosing 1/3 or more of my water during travel. The dealership (Camping World) added valves to the overflow hoses after I complained about the issue. (Free of charge) I was warned however to make sure the valves were open prior to filling, or I would "blow out the tanks".
Here's a photo for reference.
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Old 04-30-2016, 07:31 PM   #88
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Wait till your FW tank blows then you'll be sorry you installed those valves. The simple solution is to extend the overflow hoses at least 12 to 16" above the FW tank.
There's a saying; "Pay me now or pay me later"
And shame on the dealership to provide the valve solution.
A person just needs to be diligent.
You could say "shame on the dealership" for any number of things on a travel trailer
  • Installing stabilizers that will rip off if you forget to retract them.
  • Installing a canopy that will tear off if you don't retract it before towing
  • Installing a Television antennae that will bend over if you don't retract it.
  • Or ANY other item that you should check on before taking an action.

There are many of us who have made this modification, and we have not blown out our tanks.
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Old 05-02-2016, 08:41 PM   #89
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Water siphons forcefully from the vent/overflow tube extending through the underside of the trailer when filling the fresh water tank on my new White Hawk 24RKS. It continues after I stop filling and then siphons out much of the water supply.

The small screened vent hole by the filler cap was plugged at the factory and is not connected to the tank.

Why did Jayco decide to go with the arched overflow tube to the underside of the trailer instead of connecting to the screened vent hole by the filler cap? That system worked just fine on my old, cheap travel trailer.

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Old 05-07-2016, 01:54 PM   #90
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These fixes won't work for my 2013 248rbs. When I fill the tank, I get to 1/3 full and the overflow/vent tubes siphon the tank empty. Any ideas?
I thought the tank was empty because of the indicator gauge, and I got no water flow from the pump. Now I'm thinking maybe the gauge and pump are both defective, and their is water in th tank.
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