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  1. #1
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    Fresh water runs out? 2014 337RLS Need support from Grand Design

    This is the second post and is about the pump running out of water before the tank is empty.

    We had a problem with the water pump running continuously which indicates we are out of water.
    I checked the water level panel and sure enough, it is out of water.
    I added 18 gallons of water and the pump now pumps water! (Of course it does)

    I could go into the entire story how I filled the tank and it siphoned off, but that is in another thread.

    The bottom line is, I measured the water remaining in the tank after the pump stopped pumping...18 gallons was still in the tank.

    So if I add 18 gallons to it, I have 36 gallons. Except I can only use the upper 18 gallons. Obviously the pump pick up tube is not on the bottom of the tank.

    Again, will Grand Design stand behind this 2014 camper? Please?
    MichiganMarty
    2002 GMC 2500HD DuraMax
    2014 Reflection 337RLS
    Upgraded 2014 337RLS to a 2019 311BHS, Then Upgraded 2019 311BHS to 2020 367BHS

  2. #2
    Long Hauler offtohavasu's Avatar
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    Grand Design doesn't monitor this section of the forum. Your best bet is to call them directly and explain your situation.
    Curtis, Christine, Cole, and Charlotte

    2007 Chevrolet Silverado Duramax LBZ, CCLB
    2020 Momentum 351M

  3. #3
    Site Sponsor JCR GD's Avatar
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    Quote Originally Posted by MichiganMarty View Post
    This is the second post and is about the pump running out of water before the tank is empty.

    We had a problem with the water pump running continuously which indicates we are out of water.
    I checked the water level panel and sure enough, it is out of water.
    I added 18 gallons of water and the pump now pumps water! (Of course it does)

    I could go into the entire story how I filled the tank and it siphoned off, but that is in another thread.

    The bottom line is, I measured the water remaining in the tank after the pump stopped pumping...18 gallons was still in the tank.

    So if I add 18 gallons to it, I have 36 gallons. Except I can only use the upper 18 gallons. Obviously the pump pick up tube is not on the bottom of the tank.

    Again, will Grand Design stand behind this 2014 camper? Please?

    So... over flow siphons out and pump won't pick up lower part of tank. Wouldn't that be something if someone hooked them up backwards?
    Jim (& Sharon)
    2015 GD Momentum 385TH - SOLD
    For Sale - 2015 Ford F-350 DRW 4x4 Lariat w/ AirLift bags, Titan 65 gal. OEM replacement fuel tank.
    The toy:
    2017 RZR XP 1000 EPS SE

  4. #4
    Fireside Member
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    Hmm, either way it is connected, the pump would not be able to pick up water from the bottom of the tank, right? The over flow tube isn't on the bottom of the tank either or it wouldn't leave 18 gallons in the tank.
    Thanks for the response! Any help is better than none
    MichiganMarty
    2002 GMC 2500HD DuraMax
    2014 Reflection 337RLS
    Upgraded 2014 337RLS to a 2019 311BHS, Then Upgraded 2019 311BHS to 2020 367BHS

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