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Old 23-05-2015, 08:03   #1
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WASHDOWN PUMP

Good morning all, interested in setting up a washdown pump to spray off the anchor at the bow. I ran all the lines and installed a 3gpm pump. It sprays but the pressure is bad. Rather than guessing, I thought I'd ask which pump every one else is using.

Thanks guys
J

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Old 23-05-2015, 08:21   #2
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Re: WASHDOWN PUMP

I just built one last week. and instead of running it off the boats presure system , it just runs off a 12 volt and pumps salt water...a stand alone system..
Took an old pump that the preasure switch had gone bad, attached a 2 foot line to the pump for suction side and a garden hose to the other side, tied a line to the pump and set it over the side.. it has a small fire-hose nozel on it and will shoot about 20 to 30 feet.
I plan on refining it so the pump is in a bucket with the suction hose going through a throu-hull in the bucket, safe-guarding the pump in the bucket..
The electric side of it is just a plug to conect it to the 12 volt system on the boat..

My understanding is that most of these pumps are designed to push and not to suck, so I've set it up so sucking water is close to the sorce.
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Old 23-05-2015, 08:26   #3
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Re: WASHDOWN PUMP

Yea , i installed a couple valves and "tee'd" into an existing through hull so it pumps raw salt water.. how many gpm is your pump?

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Old 23-05-2015, 08:29   #4
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WASHDOWN PUMP

Ours is a 3.5 gpm shurflo blaster. It's more than enough pressure/volume if the nozzle is kept in a tight spray pattern.


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Old 23-05-2015, 08:31   #5
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Re: WASHDOWN PUMP

Quote:
Originally Posted by knot smart View Post
Yea , i installed a couple valves and "tee'd" into an existing through hull so it pumps raw salt water.. how many gpm is your pump?

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its a flo-jet 3.5 gph.. maybe its the nozzel ...it cuts it down to an 1/8 stream.
Once I get it in the bucket, I was going to doo a video on it and put it onb our site..

SailingOnR3.com
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Old 23-05-2015, 09:16   #6
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Re: WASHDOWN PUMP

Johnson Aqua Jet 5.2 Washdown Pump

Works great with plenty of flow and pressure.
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Old 23-05-2015, 11:18   #7
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Re: WASHDOWN PUMP

Hmmm... I did a DIY situation, I think the kitchen sink spray I bought from Lowe's isn't paired properly with the pump.. I can't believe that the 3gpm pump is that much of a difference than the 3.5gpm that you have..

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Old 23-05-2015, 11:22   #8
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Re: WASHDOWN PUMP

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Originally Posted by knot smart View Post
Hmmm... I did a DIY situation, I think the kitchen sink spray I bought from Lowe's isn't paired properly with the pump.. I can't believe that the 3gpm pump is that much of a difference than the 3.5gpm that you have..

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You'll never get a decent mud blasting spray from a kitchen sprayer. Try a cheap basic spray nozzle and see if it suits you.

http://m.homedepot.com/p/Orbit-Alumi...929/100659286/


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Old 23-05-2015, 11:38   #9
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Re: WASHDOWN PUMP

K.I.S.S.

We spent just $6 at the Home Depot for a pressure fitting male and female tap fixture which converts any faucet so that it can attach to a garden hose; it looks like a normal faucet when not in use. In our case, the garden hose is one of those inflatable kinds, that shrinks back to nothing. 75 ft hose reaches everywhere attached to either head sink.
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Old 23-05-2015, 12:56   #10
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Re: WASHDOWN PUMP

Being we're on the subject of wash-down for the anchor chain, I saw a nifty unit on a powerboat a year or so ago up in the north-west. He had a tube the chain went through befor it got to the windless. inside the tube were a number of spray nozzles.. as the chain came up, it went through the tube cleaning it off and all the crap was washed off. dont have room on ours but I would think if you had a bow-sprit where the anchors sat out front something like the HC, you could rig up something the same..

At one time, all I used was a toilet brush on the end of a long pole, bent the brush end to fit around the chain and as it came up I'd scrub the chain..
Now we use the wash down pump..
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Old 24-05-2015, 08:51   #11
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Re: WASHDOWN PUMP

Quote:
Originally Posted by knot smart View Post
Hmmm... I did a DIY situation, I think the kitchen sink spray I bought from Lowe's isn't paired properly with the pump.. I can't believe that the 3gpm pump is that much of a difference than the 3.5gpm that you have..

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This is your problem and not the pump. get rid of the kitchen sprayer unless you plan to use it for washing dishes. Get a small jet nozzle and a separate cut off valve so you can simply turn the valve to shut off the water flow. You will be amazed at the difference. See the first picture in this blog post, The Trawler Beach House: Anchor Washdown System . Chuck
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Old 24-05-2015, 08:54   #12
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Re: WASHDOWN PUMP

[QUOTE=AnchorageGuy;1832469] get rid of the kitchen sprayer unless you plan to use it for washing dishes. /QUOTE]

Lol.. that's great!

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