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  #11  
Old 06-01-2012
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Re: Washdown pump....

Quote:
Originally Posted by treilley View Post
I wonder what could happen if you clog your through-hull while using the washdown. Might cause some issue with your head pump if there is no shutoff.

This will not work without a shutoff if your head intake is plumbed common with your vanity drain.
The head intake is separate on a CS36M. I have had a washdown pump teed into my head intake for eight seasons, never a problem.
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  #12  
Old 06-05-2012
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Re: Washdown pump....

My washdown pump is T'd off the head intake, and first it then the head stopped working one day. After taking the pump apart and finding nothing wrong, I started pulling hoses. Lost the photo, but I have one of the remains of a fish, somewhat mangled but about 4" long and 1/2" dia (just right to fit through the hose and T) sticking out of the head's water intake line. Looks like it got sucked in headfirst by the washdown then pulled backwards towards the head when my wife attempted to flush while I had the washdown pump disassembled.

But that aside, a permanently mounted and powered washdown is a wonderful investment. I am thinking of upgrading my current pump and moving the old one to the aft head for a transom washdown (easier than running a water pipe 45' back and across the boat).
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  #13  
Old 06-06-2012
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Re: Washdown pump....

While you approach will deliver a litttle water under better pressure, another solution is to deliver a LOT of water with less pressure.

For about $60 total I got:
- a 2,000 GPH bilge pump on eBay (took a while to get a big one cheap),
- fashioned a hook-dipper out of $5 worth of PVC
- about 15 feet of 14 AWG marine wire, butt-connected to the pump leads with a cigarette plug end
- 1 simple Radio Shack in-line switch
- 15 feet of 1.5" hardware store sump pump hose

The PCV hooks around a stanchion and dips the pump overboard. Plug it in, flip the switch and LOTS of water, albeit without a lot of pressure; no hose nozzle because one should not shut-off a bilge pump's flow. But for cleaning dirty anchor chain and line, I've found more water with less pressure to be superior to less-water with more pressure. Those washdown pumps are rated at 4+/- GPM, maybe 250 GPH. This used bilge pump is rated at 2,000 GPH... and it does flush off the crud.

That is was way less money and way easier to build-install was only a secondary benefit.

Picture here: http://plasticclassicforum.com/forum...php?f=4&t=5901

Last edited by hriehl1; 06-06-2012 at 11:37 AM. Reason: link to photo
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