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Thread: Bag vent install question
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04-26-2018, 11:06 PM #1
Bag vent install question
I am in the process of installing vents and tying them to the drain lines on my 05 LSV. Do I have to run hose all the way to the thru hull or can I tee or y in at any point in the drain line?
I have already crossed my left bag to the right side. I am setting it up so all my drains/vents are on the same "drivers" side of boat for visual reasons. I have check valves and plenty of hose just trying to do a little less work if I can.
Sent from my SM-N950U using TapatalkLast edited by JamesEvans; 04-26-2018 at 11:10 PM.
2005 Mobius LSV GG3 Package w/ Acme 1433
325 Indmar MPFI
Ballast: 750s Rear, 400 Center, 2 spare 260s
Kenwood KMR-440U
Wetsounds WS-420
JL M600/6 on 6 Polk MM6501UMs
JL HD750.1 on a Kicker L7 10"
JL HD600.4 on Kicker 6500.2 HLCDs
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04-26-2018, 11:37 PM #2Senior Member
- Join Date
- Aug 2011
- Posts
- 2,522
I wouldn't, you could end up filling both bags when you only want one.
http://www.instgram.com/jlyons30
2002 Moomba Mobius LSV - Sold
2006 Moomba Mobius LSV - Sold
2017 Moomba Craz - Enzos, Lead
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04-27-2018, 10:16 AM #3
James, not an answer to your question but we have the same boat and you list two spare 260# bags in your sig so....
One adjustment we made with ours was adding a 2x10 piece of wood just in front of the battery compartment, directly behind the port bow seat. It fits perfectly. This allowed us to keep the stock 260# bags and just keep them permanently filled under the front seats. We found it's been the cheapest hack for an IBS bag considering the lack of space 2005 has for ballast in the bow.
Front Bag Position.jpg
Not sure how to prevent the picture from being so heavily downscaled but green line is the 2x10, red boxes are the bags.2021 Mojo, 6.2L Raptor 400/1.76, Acme 3407 15.5x13, G6, Flow3, +6500 lbs ballast
2005 Mobius LSV (sold)
Windermere Lake, B.C., 2800' Elevation
2021 Mojo Mods
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04-27-2018, 10:30 PM #4
I think My post might have been misunderstood. I am going to tee in the vent to the bag drain on each specific bag. No connections bag to bag will be shared. Ie left rear bag vent to left rear bag drain to thru hull.
I just need to know if I have to run hose and T it in right at the thru hull or if I can Y it in to the drain line anywhere after the drain pump.
Sent from my SM-N950U using TapatalkLast edited by JamesEvans; 04-27-2018 at 10:38 PM.
2005 Mobius LSV GG3 Package w/ Acme 1433
325 Indmar MPFI
Ballast: 750s Rear, 400 Center, 2 spare 260s
Kenwood KMR-440U
Wetsounds WS-420
JL M600/6 on 6 Polk MM6501UMs
JL HD750.1 on a Kicker L7 10"
JL HD600.4 on Kicker 6500.2 HLCDs
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04-27-2018, 10:43 PM #5
I was planning on repurposing those bags up their in that spot, and plumbing them in (future project). I have a pitch over the side pump from wakemakers I plan to use for the time being.
I may have to move my Amp rack, as it is laid flat in there but raised up off the floor, that's why it's a future project. See pic
The 2x board is a great idea/hack! I am definitely going to use it.
Sent from my SM-N950U using Tapatalk2005 Mobius LSV GG3 Package w/ Acme 1433
325 Indmar MPFI
Ballast: 750s Rear, 400 Center, 2 spare 260s
Kenwood KMR-440U
Wetsounds WS-420
JL M600/6 on 6 Polk MM6501UMs
JL HD750.1 on a Kicker L7 10"
JL HD600.4 on Kicker 6500.2 HLCDs
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04-28-2018, 06:59 AM #6
May I ask what the purpose of this vent is for? Like for overflow to make sure there is not any air in the bag? If so, tee it off and use that check valve to keep from introducing air in to the bag.
2018 Supra SA400 aka The Ron Burgandy
2011 Sea-Doo Wake 155
2015 Mojo Surf, sold...2013 Axis A22 Recon Edition, sold...2010 Axis A22, sold...2007 Maxum 1800sr3, sold
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04-28-2018, 11:23 AM #7
Exactly. To vent the bag automatically without having to burp it. I understand how to install the check valve, just not sure where to tie it into the drain line. The check is there to keep the drain from pushing water back into the bag when draining, and to keep it from sucking thru the vent on the bag. In other words, it will only let water out, not in the bag.
Sent from my SM-N950U using Tapatalk2005 Mobius LSV GG3 Package w/ Acme 1433
325 Indmar MPFI
Ballast: 750s Rear, 400 Center, 2 spare 260s
Kenwood KMR-440U
Wetsounds WS-420
JL M600/6 on 6 Polk MM6501UMs
JL HD750.1 on a Kicker L7 10"
JL HD600.4 on Kicker 6500.2 HLCDs
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04-28-2018, 02:03 PM #8
Yeah, I installed check valves on my boat. I am not familiar with the Gravity Games setup. Is it one pump in and another pump out? Can you take a photo of the bag and show how your plumbing is now? I am assuming it drains the bag over board? If you have 2 fittings on top of the bag, run a fitting from the top, over to the drain hose and tee it off. On the hose below the tee to the new vent fitting, use the check valve. That should get you where you want to be.
2018 Supra SA400 aka The Ron Burgandy
2011 Sea-Doo Wake 155
2015 Mojo Surf, sold...2013 Axis A22 Recon Edition, sold...2010 Axis A22, sold...2007 Maxum 1800sr3, sold
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04-28-2018, 03:03 PM #9
right at the outlet thru-hull
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04-28-2018, 06:35 PM #10
Yes, you can Tee into the drain line if you have a check valve. Sounds like MLA recommends doing it near the thru hull. I have separate drain and vent lines and have them both setup for above water line draining. I really like the audible/visual indicator when things are draining or done.
I didn't care about extra thru hulls through. My boat looks like swiss cheese, LOL. I think if you circle around my boat you'll find 10 total vent or drain thru-hulls. They're all black and dont' stand out at all.2008 Moomba Mobius XLV. Monster Cargo Bimini, WS Rev 410's, Polk Cabins, 3 Infinity Subs, PPI amps, WS420, Exile BT, upgraded ballast pumps, up to 3,500+ pounds of ballast, Blue LED's...
1992 Supra Sunsport. **SOLD** 2k pounds ballast, Surf System, Blue LED's everywhere, decent audio system.
Tow Rig: 2013 F150 Ecoboost FX4 (wife's rig) Other money pits include:1998 BMW M3 Cabriolet, 2009 Audic A6 Avant 3.0T, 2005 Kawasaki ZX-6R 636.
www.TraysonsToybox.com