Ballast Bags Filling unexpectantly

I am about to tackle this project as well. For the wiring, would you just cut the old wires, remove the old valves, and splice in the new valves? Sorry to thread jack the 3 year old thread lol.

I had this issue and replaced the valves this spring. It fixed the problem of inadvertent bag filling. The valves are right off the shelf stuff, along with the plumbing. Supra used "Orbit" brand. I did not mess with the solenoids, as they were still working. I merely unscrewed them from the old valves and installed them in the new. If the solenoids are inop, the originals are installed with a connector, so all you have to do is solder the new solenoids to the old connector and plug it in.

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Originally Posted by Rusty Griswold

thanks for the reply, do you think putting in new valves will solve the problem?

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Yes, the valves go bad and allow water to freely pass through them. Normally the valve will be closed and are able to stop the water pressure being created by your boat running down the lake. If the valve is open, driving your boat with the thru-hull ball valve open will allow water to freely enter into the bags with bad valves. Replacing those valves is the fix 99% of the time. One other thing to check as well, on the valves themselves there is a little black tab that needs to be flipped a certain direction. That could have been flipped accidentally allowing water in now (it changes to manually opening/closing the valve). You can check that, but it's most likely a bad valve. I've replaced all 3 on my boat... just something that's going to need maintenance. Luckily they're cheap.