No more sprinkler valves

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Originally Posted by tazz3069

What do you mean open or closed? I do know that the duck bill needs to be facing down. When I put the cap on, i put it on finger tight.

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That was my question. How tight does it need to be, I have mine a little tighter than finger tight.

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Originally Posted by Aquaholic

I'm doing the same upgrade...Where did yall find the the brass barb needed for the shutoff ball valve? Also why could'nt you reverse the direction of the scupper to stop the water injection?

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You will create an air pocket if you reverse the scupper, also the holes will not line up if you reverse them and you will have to put 4 more holes in the bottom of your boat. I asked the same question to wakemakers, and they said reversing the scupper was not recommended because of the air pocket it would create.

I can say, when you grind off the scupper it works great.

I purchased all my brass fittings at Home Depot, not sure what you are refering to about the brass bard for the shut-off valve. My ball valve is threaded to a 90 degree bend off the intake.

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Originally Posted by tazz3069

Good question. The only thing that I can think of is if you need to prime the pumps. How will that happen if the scuppers are reversed. I thought of that same thing. I was under the boat and was thinking how I can utilize the scuppers I already have. The only suggestion that was made was to cut off the cup itself. I still might keep the front part of the scupper. Any little helps to keep debris out of the pumps.

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If you run your boat in mercy/dirty water often you could always add an inline filter. After an entire year of running my stock Supra ballast system I had very little debris in the filter they had on the stock system. Not that it could not suck anything up and ruin a pump, anything is possible. I elected not to re-install the filter again because of space limitations and its another source of friction loss to decrease your flow rate.