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13-03-2016, 10:45
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#1
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Registered User
Join Date: Aug 2013
Posts: 472
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Deck wash and cockpit shower
This question is related to my previous one on thru hull size. I would like to have a freshwater supply in my cockpit, for showers etc. Is it better to plumb the freshwater into the deckwash pump, or to tee off from the existing freshwater plumbing to a separate shower head in the cockpit? Thanks
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13-03-2016, 10:52
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#2
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Registered User
Join Date: Aug 2006
Location: Skagit City, WA
Posts: 25,765
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Re: Deck wash and cockpit shower
I would go with the freshwater plumbing and go hot/cold also! If going cold only then either... assuming your washdown is not salt water! One advantage of your normal freshwater system is it's usually always on... that way when get in the cockpit dripping wet from swimming etc, you can fresh rinse without going below to turn on the deck wash and getting water all over.
I really liked having warm water on the stern shower. ... and definitely have fresh water shower setup.
__________________
"I spent most of my money on Booze, Broads and Boats. The rest I wasted" - Elmore Leonard
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13-03-2016, 11:17
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#3
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Registered User
Join Date: Jan 2015
Location: Alaska for work , the Passoa is stranded in NZ
Boat: Garcia Passoa 50, ex Dix 38 pilothouse
Posts: 367
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Re: Deck wash and cockpit shower
At the deckwash pump - i can select salt or fresh water on a vlave. So the deckwash outlet is either or.
The shower is on the transom and plumbed hot and cold/ fresh..... you wont ever regret it .
LD
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13-03-2016, 11:18
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#4
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Registered User
Join Date: Aug 2013
Posts: 472
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Re: Deck wash and cockpit shower
Okay, thanks. that makes sense.
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14-03-2016, 09:21
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#5
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Registered User
Join Date: Jun 2014
Location: Daytona Beach, Fl
Boat: Irwin 46 CC
Posts: 416
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Re: Deck wash and cockpit shower
Quote:
Originally Posted by lamadriver
At the deckwash pump - i can select salt or fresh water on a vlave. So the deckwash outlet is either or.
The shower is on the transom and plumbed hot and cold/ fresh..... you wont ever regret it .
LD
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Would very much appreciate a photo of this setup. It is high on my list. Some of the Irwin 38's were actually produced with a swim platform fold down stern, sadly not mine though.
__________________
s/v Grace II
POC: Toronto, ON
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14-03-2016, 09:41
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#6
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Registered User
Join Date: Jan 2015
Location: Alaska for work , the Passoa is stranded in NZ
Boat: Garcia Passoa 50, ex Dix 38 pilothouse
Posts: 367
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Re: Deck wash and cockpit shower
Sure- ill be out there this weekend and take a picture.
Its pretty simple:
The deck wash pressure pump is accessible in the boat under a panel. Its a paramax 4. Before the inlet to the pump there is a manifold that has fresh water and sea water. You flip the one you you want it to draw from.
On my boat the deck wash fitting is in the cockpit ( and Im plumbing another one in the chain locker)
The shower is freshwater, the hot water comes off a T at the hotwater tank and the the fresh water comes from the the fresh water manifold.
Its so nice on passage to be able to hose down the cockpit and deck with pressurised seawater.
I wouldnt have boat with out either of these things.
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14-03-2016, 10:13
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#7
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Registered User
Join Date: Aug 2006
Location: Skagit City, WA
Posts: 25,765
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Re: Deck wash and cockpit shower
A 3 way bronze valve would work fine for that "manifold". Just be careful it stays fully one way or another... or you could end up with salt water in your fresh system! Frankly I see no need for a salt water shower. Jump in!
__________________
"I spent most of my money on Booze, Broads and Boats. The rest I wasted" - Elmore Leonard
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14-03-2016, 10:55
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#8
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Moderator Emeritus

Join Date: Oct 2013
Location: Jacksonville/ out cruising
Boat: Island Packet 38
Posts: 31,348
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Re: Deck wash and cockpit shower
I bought an excellent shower from Hopcar, (Hopkins Carter) it stows completely hid and is hot and cold fresh water.
I've bought SS faucets from him also and will install freshwater wash down in both ends of the boat so that with one 25' hose I can wash the whole boat if I like.
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14-03-2016, 11:35
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#9
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Registered User
Join Date: Nov 2015
Location: Pacific Coast of Mexico/Sea of Cortez
Boat: 1975 CT-41
Posts: 19
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Re: Deck wash and cockpit shower
I took a serious shortcut and put a longer hose on the shower and just pull it through the porthole to use it outside. The shower head has an on/off valve.
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14-03-2016, 16:08
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#10
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Registered User
Join Date: Sep 2011
Location: Careel Bay Pittwater
Boat: Custome Open BOC 50' cutter rig
Posts: 374
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Re: Deck wash and cockpit shower
Quote:
Originally Posted by Cheechako
I would go with the freshwater plumbing and go hot/cold also! If going cold only then either... assuming your washdown is not salt water! One advantage of your normal freshwater system is it's usually always on... that way when get in the cockpit dripping wet from swimming etc, you can fresh rinse without going below to turn on the deck wash and getting water all over.
I really liked having warm water on the stern shower. ... and definitely have fresh water shower setup.
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I have a heat exchange manafold for heating fresh water for cocpit shower or sink , however I need to run the engine for ifor a while for it to heat the water, which is seldom at anchor. Does anyone have an effecent alternet heating system?
Thanks
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14-03-2016, 16:13
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#11
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Registered User
Join Date: Feb 2013
Location: Kingston Ont Canada
Boat: Looking for my next boat!
Posts: 3,101
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Re: Deck wash and cockpit shower
Quote:
Originally Posted by Cheechako
I really liked having warm water on the stern shower. ... and definitely have fresh water shower setup.
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+1 for hot shower on the stern...especially on a cold day. Or any day really.
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14-03-2016, 16:33
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#12
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Registered User
Join Date: Aug 2006
Location: Skagit City, WA
Posts: 25,765
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Re: Deck wash and cockpit shower
Quote:
Originally Posted by kryg
I have a heat exchange manafold for heating fresh water for cocpit shower or sink , however I need to run the engine for ifor a while for it to heat the water, which is seldom at anchor. Does anyone have an effecent alternet heating system?
Thanks
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Yeah, it's all about the whole system. I had hot water heater/engine exchanger, hi output alternator and engine drive water maker. So I most often had hot or warm water. I found the heater water would stay warm for 12-24 hours. But if you are solar etc, then, you're gonna have a cold rinse!
__________________
"I spent most of my money on Booze, Broads and Boats. The rest I wasted" - Elmore Leonard
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14-03-2016, 17:13
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#13
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Registered User
Join Date: Aug 2011
Location: Queensland, Australia
Boat: Endeavourcat 30
Posts: 238
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Re: Deck wash and cockpit shower
Quote:
Originally Posted by Cheechako
A 3 way bronze valve would work fine for that "manifold". Just be careful it stays fully one way or another... or you could end up with salt water in your fresh system! Frankly I see no need for a salt water shower. Jump in!
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There maybe good reasons to not "Jump in".
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14-03-2016, 17:24
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#14
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Registered User
Join Date: Aug 2006
Location: Skagit City, WA
Posts: 25,765
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Re: Deck wash and cockpit shower
Quote:
Originally Posted by CapnBazza
There maybe good reasons to not "Jump in".
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Probably so... down under! 
__________________
"I spent most of my money on Booze, Broads and Boats. The rest I wasted" - Elmore Leonard
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14-03-2016, 18:34
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#15
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Registered User
Join Date: Mar 2011
Location: Nova Scotia Canada
Boat: Wharram Tiki 46
Posts: 1,322
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Re: Deck wash and cockpit shower
Quote:
Originally Posted by Cheechako
A 3 way bronze valve would work fine for that "manifold". Just be careful it stays fully one way or another... or you could end up with salt water in your fresh system! ....
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Seems to me that this system would be contaminating the fresh water (slightly) every time it is switched ?
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