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Thread: GIII to GIV Manifold Building
02-21-2010, 11:33 PM #1
GIII to GIV Manifold Building
Here is an example of how to build a manifold system using sprinkler valves. I have had better luck and fewer issues with the single pump and sprinkler valve system. I will be creating a new thread in about two weeks of my GIII upgrade to SUPER GIII system. I have built two systems, one with individual pumps and no manifolds and one with a HUGE single pump and sprinkler manifolds. The sprinkler manifold performed way better than the individual pumps and I did not have to use vented loops, plus I tested my system with all of the hoses hooked up full length on both systems and the sprinkler manifold system was almost a third faster!!! So don't let people tell you the sprinkler valves are ALWAYS slower. I will be debuting one shortly that is super simple and is faster than individual pumps. THE ABOVE STATEMENT IS FOR CINTRIFUGAL PUMPS NOT THE NEW JABSCO PUMPS. The new system like in ED_Gs boat will smoke mine, but I did not have the cash to go that route. My comparison was done with 3 Tsunami 800s vs a Rule 3800 and sprinkler valves.
Back to the manifold, cut all of your pieces and then test fit them in the boat, mark each side of the pipes with a sharpie, remove the system and re-assemble using the proper primer and glue. Here is a sneak peak at my creation:
02-21-2010, 11:41 PM #2
Also the valves I used are not traditional "Up and Over" sprinkler valves. I use Irritrol 700 series. My system from two years ago used 3/4" valves that were about $25 each, this year I upgraded to 1" at $45 each.
02-21-2010, 11:52 PM #3
02-22-2010, 12:15 AM #4
Ok, here is the thinking behind my insanity. I love to wakeboard and surf...A LOT, but I got tired of stopping the boat after wakeboarding, dumping one bag, unhooking it and dragging it to the other side of the boat. Find the hand held pump, hook it to the cigarette lighter, remind people not to trip on it and yank out all my wires and then sit there waiting on it to fill since the boat can't move due to the fact there is a hose hanging over the side of the boat while someone holds the end under the water. Then reverse the process to empty.
So I bought another bag and added the fourth valve. Now I can fill/empty on the go!!! Heck yes!!! So my purchase was the 3800gph pump, Tsunami 800 to empty and all the other items to make it work. I still have A LOT of wiring and cutting to do.
Here is the system in it's "Mocked Up stage" no clamps and scrap hose, just to give you guys a sneak peak.
02-22-2010, 11:19 AM #5
Are the new sprinkler valves using the existing wires from the OEM sprinkler valves? Any fuses that need to replaced due to the new valves or larger pump? This looks like a route I would like to go in upgrading my GGIII to fill the 750 sacs faster. Could you post pics of where the new pump is installed as well as the new manifold in place
02-22-2010, 12:52 PM #6
On the new pump I will be adding two relays so the old switches and the new switches can turn the pump on. Also last year I started having issues with the old pump causing my dash to loose power, may have been the pump going bad, anyway, I will be pulling fused power directly from the starter instead of being powered through the dash.
As to the pics of the pump install, that will have to wait. Right now the pump is bolted so a set of saw horses and hooked up to a 5 gallon bucket and the manifolds bolted to the other. I wanted to flow test everything before the final gut process of the old stuff. I will update with pics as I have time to complete the install.
02-22-2010, 10:10 PM #7
02-22-2010, 11:55 PM #8