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  1. #1
    Join Date
    May 2017
    Posts
    116

    Default Bag fill/drain hose

    Do you have your fill/drain hose towards the front or rear on your bags? Updated the pumps to reversible and plumbed the hoses to the front, thinking the rear would be better.
    2006 Mobius LSV
    New to boating and surfing

  2. #2
    Join Date
    May 2009
    Location
    North End Lake Lanier GA
    Posts
    8,155

    Default

    I have the Fill / drain to the back, the pump has no problem pushing water in, having the inlet in the rear allows the bag to drain better as it gets lower. If the pumps loose prime during draining the bag wont drain all the way.

    I have the Vent on the top opposite the fill side because as the bags fill that corner is highest in relation to how the boat sits.
    Malo <--- Means--Evil or Mean One. This explains a lot.
    2013 Mojo 2.5 Skylon Tower. Bestia < Beast >
    [COLOR="#696969"]

  3. #3
    Join Date
    Jun 2018
    Location
    Pewaukee, WI
    Posts
    7

    Default

    Having a hard time getting the back ballast bags to drain all the way. It isn't a timing issue. I thought I read on a previous post (can't find), that people added something to the pump or line to help drain the bags. Suggestions?

  4. #4
    Join Date
    Aug 2017
    Posts
    947

    Default

    Quote Originally Posted by chwags69 View Post
    Having a hard time getting the back ballast bags to drain all the way. It isn't a timing issue. I thought I read on a previous post (can't find), that people added something to the pump or line to help drain the bags. Suggestions?
    I put ball valves in the vent line, open when filling til they spill out the port, then close them. Keeps them from continuing to siphon out the vent, and when draining they drain completely with no air at all in the bag.
    2019 Supra SL450

  5. #5
    Join Date
    Jun 2018
    Location
    Pewaukee, WI
    Posts
    7

    Default

    Thanks Shoebox! Do you recall where you got them?

  6. #6
    Join Date
    Oct 2010
    Location
    Lake Wylie NC Area
    Posts
    2,467

    Default

    A quality marine check valve in the vent line will aid on a more complete drain. Totally passive, no opening locker to do anything for fill or drain.

  7. #7
    Join Date
    May 2010
    Location
    Salt Lake City, Utah
    Posts
    1,693

    Default

    check valves work great.
    Scott
    2021 Craz
    2007 Mobius LSV
    1997 Sea Ray 190

  8. #8
    Join Date
    Aug 2017
    Posts
    947

    Default

    Quote Originally Posted by MLA View Post
    A quality marine check valve in the vent line will aid on a more complete drain. Totally passive, no opening locker to do anything for fill or drain.
    I have check valves from Wakemakers. They work very marginally. And they don't stop the bag continuing to siphon water over the side.

    I open the locker to verify the bags are full anyway. Easy to turn a valve when they are.
    2019 Supra SL450

  9. #9
    Join Date
    Aug 2017
    Posts
    947

    Default

    Quote Originally Posted by chwags69 View Post
    Thanks Shoebox! Do you recall where you got them?
    Home Depot

    https://www.homedepot.com/p/LEGEND-V...-601/203581023

    https://www.homedepot.com/p/1-in-Blu...TMA1/300823617
    Last edited by Shoebox; 09-23-2018 at 07:10 PM.
    2019 Supra SL450

  10. #10
    Join Date
    Oct 2010
    Location
    Lake Wylie NC Area
    Posts
    2,467

    Default

    Quote Originally Posted by Shoebox View Post
    I have check valves from Wakemakers. They work very marginally. And they don't stop the bag continuing to siphon water over the side.

    I open the locker to verify the bags are full anyway. Easy to turn a valve when they are.
    Sorry to hear, my customers do not experience this with our check valves.

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