Rear bags siphoning badly no matter what I do

[sandm]

Is it a check valve or an actual valve u close and open.

I ended up adding line to the vents on both the supra and my 1st tige for passive draining.

[cucv]

If your bags fill to a higher elevation than your vent port, the water will go thru the check valve, out the vent until the bag is level with the vent port. I had this problem on my Tige with upgraded bags, so I would top off occasionally. I contemplated adding in electric valves, wired in with the pump so they would open when the pump is running.

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[j.mo]

Is it a check valve or an actual valve u close and open.

I ended up adding line to the vents on both the supra and my 1st tige for passive draining.

It’s an actual T valve.

https://www.wakemakers.com/collectio...pvc-ball-valve

With that closed, there’s no way for the water to get out of that route. It has to be coming from the bottom fill/drain.
The bilge is bone dry always as well. It’s going back out of that damn pump past the impeller lol


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[HFarr]

Is the pump housing worn where it mates with the impeller? Make sure there are no grooves in it. Just another possibillity if you are sure the impellers are good.

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[KnoxMojo]

It’s an actual T valve.

https://www.wakemakers.com/collectio...pvc-ball-valve

With that closed, there’s no way for the water to get out of that route. It has to be coming from the bottom fill/drain.
The bilge is bone dry always as well. It’s going back out of that damn pump past the impeller lol


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Fill your bags, close your pump valves, see what happens.

[j.mo]

Fill your bags, close your pump valves, see what happens.

I’ll try that tomorrow


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[KnoxMojo]

I’ll try that tomorrow


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Any update? Or you buying a new boat? Lol

[j.mo]

Any update? Or you buying a new boat? Lol

We took the boat out the other day, but we didn’t fill the ballast. We just threw the anchor at the sand bar.
This week I’m in Nashville again.

However, the day before I came out here my neighbor pulled up with a new to him 2023 23lsv with 45hrs that he picked up for 119k that is very enticing lol


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[j.mo]

I was at a local dealer I frequent for parts/supplies, a tige/cobalt dealer, who since the downfall of Tommy’s is now a cobalt/malibu/axis dealer.
One of the sales guys I know there, really good guy btw, recommended swapping my green impellers to purple as they are a harder/stiffer compound and might provide more resistance to my draining problem.


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[MJHSupra]

I was at a local dealer I frequent for parts/supplies, a tige/cobalt dealer, who since the downfall of Tommy’s is now a cobalt/malibu/axis dealer.
One of the sales guys I know there, really good guy btw, recommended swapping my green impellers to purple as they are a harder/stiffer compound and might provide more resistance to my draining problem.


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Interesting. I would be surprised if the purple and green are the same size. I recall someone telling me they are the same diameter but are different widths.
The purple ones were used in the Jabsco Ballast King Reversible Pumps (OEM part). Those were the higher volume pumps.