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Thread: 303RLS water tank

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    Setting Up Camp
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    303RLS water tank

    I have read posts (and experienced) concerns about the water tank self-emptying while traveling with the 230 RLS and wonder if thatís an issue on the 303RLS? Thanks for any input.

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    Site Sponsor BubbleGutz's Avatar
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    I normally travel with fresh water tank at 1/3 (sometimes at 2/3) full and haven't had any issue so far.
    2016 Ford F250 XLT FX4 6.7 PSD 3.55 / OEM E-Locker
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    2020 GD Reflection 303RLS

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    I never travel full but do keep some in. If it is siphoning out you can burp the tank by letting some water out the drain. A quick open and close. I have heard of many having the problem if they travel full. If it is for boondocking, just install a ball valve and open when not traveling.

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    Seasoned Camper
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    Quote Originally Posted by Awaken View Post
    I have read posts (and experienced) concerns about the water tank self-emptying while traveling with the 230 RLS and wonder if that’s an issue on the 303RLS? Thanks for any input.
    We travel with the tank full most of the time and have never had an issue
    Matt & Dana , Kasey the Australian Cattle Dog
    2018 303rls
    2012 Ram 2500 6.7 diesel

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    Site Team Ynot4me2's Avatar
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    There's a few threads on how people dealt with the siphoning affect. The easiest is installing a Sharkbite valve that you close when traveling. Just remember to open it before using the water pump or else your tank might implode and crack. The problem is not model specific.
    Last edited by Ynot4me2; 04-11-2021 at 04:33 PM.
    Steph & Lise
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    Setting Up Camp
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    That’s how I handled it on my 230 (the ball valve) and it works well. Looking to maybe go to the 303 and wondered if I should plan on doing the same. Thanks

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    Site Sponsor GeoffnCheri's Avatar
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    We have done many many trips with a full fresh water tank. I fill the FW tank at the house. Once the overflow begins, I turn off the hose, turn the valve settings from power fill to dry camping. Water stops dripping in a couple of minutes. We have arrived every time with full tanks.

    I have read that if the overflow tube is too far in to the tank, it can cause an issue and is not limited to any specific model. Many folks have installed valves on the overflow.

    YMMV
    Geoff and Cheri
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    we have a 303 and had to install a valve on the overflow tube due to the siphoning. Placed a label over each pump switch that says "OPEN VALVE" to remind me to open the overflow valve before turning on the pump so I don't collapse the tank.

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