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direct toilet discharge to the outside #19055
08/07/22 01:46 AM
08/07/22 01:46 AM
Joined: Mar 2019
Posts: 9
Chile
J
Joao Brito CHILE Offline OP
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Joao Brito CHILE  Offline OP
Forum Newbie
J
Joined: Mar 2019
Posts: 9
Chile
Hello everyone, I live in Santiago, Chile. I will try to express myself in English. I need a detail of the solution for direct discharge of water from the toilet to the outside. somebody could help me? Thanks a lot

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Re: direct toilet discharge to the outside [Re: Joao Brito CHILE] #19056
08/08/22 11:50 AM
08/08/22 11:50 AM
Joined: Oct 2009
Posts: 88
Belmont, MA
G
Georges Offline
Senior Member
Georges  Offline
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G
Joined: Oct 2009
Posts: 88
Belmont, MA
Jao,

https://www.westmarine.com/west-advisor/Selecting-a-Sanitation-System.html might be a good start.

Raritan is a well known manifacturer of many marine toilet components with some technical article https://www.raritaneng.com/blog/

But mere google search (https://www.google.com/search?client=firefox-b-d&q=how+to+plumb+a+marine+holding+tank) will give you plenty of hints.

In the US, you need a holding tank (you can not discharge in the 3 miles coastal zone, and there is many additional limitations), but most boats (including mine) usually have a dual discharge - since it is common to sail much beyond this limit - especially with a nice cruising boat like the J/30.

The vented siphoned loop is likely the most single important aspect of the setup... no one want to sink through their heads ... .
cheers,
-- Georges


-- Georges
Foot Loose #467 - CPYC - Winthrop
Re: direct toilet discharge to the outside [Re: Georges] #19057
08/08/22 11:22 PM
08/08/22 11:22 PM
Joined: Mar 2019
Posts: 9
Chile
J
Joao Brito CHILE Offline OP
Forum Newbie
Joao Brito CHILE  Offline OP
Forum Newbie
J
Joined: Mar 2019
Posts: 9
Chile
Thank you very much George

I am in a lake where there are no gray water extraction services at the dock and it is a problem.
For this reason, I want to install a second point of direct discharge to the outside, with a valve so as not to eliminate the gray water tank.
The links you send me are very useful to have an idea of ​​how to do it. If you can send me a photo of the solution in the J30, I would greatly appreciate it.

Re: direct toilet discharge to the outside [Re: Joao Brito CHILE] #19058
08/11/22 02:50 PM
08/11/22 02:50 PM
Joined: Oct 2009
Posts: 88
Belmont, MA
G
Georges Offline
Senior Member
Georges  Offline
Senior Member
G
Joined: Oct 2009
Posts: 88
Belmont, MA
Hi Joao,
...a business opportunity maybe ... just kidding.

I feel - no confidence there - that there was no production installed wastetank on the J/30 - so if you are looking for some 'reference' and a good one at that, unsure.
Foot Loose (1984 vintage) has a professional installation but I see its imperfections - I am actually considering changing at least the tanks and the hoses (smell).
I like the flexibility that my Y-valve set up gives me and my pump works fine - so will retain those...
The key J/30 specifics possibly are:
* waste tank - small (~15 gallons or so?) on the bow under the V-berth. Its venting with holes in the hull under the rail.
* vented loop - behind the toilet - inside the vanity compartment along the hull - up to the rail. If the boat is really heeled down to the rail - that might be iffy - but then it is likely it is not for long period of time, and the venting will take care of this transition :-) modern installation would probably have it closer to the centerline, maybe...

It will try to get you picture of my set up - it might take a while though - but again - not sure what you will gain from it that you did not get from the link I shared...
Cheers,


Last edited by Georges; 08/11/22 03:00 PM.

-- Georges
Foot Loose #467 - CPYC - Winthrop
Re: direct toilet discharge to the outside [Re: Joao Brito CHILE] #19061
08/13/22 01:41 PM
08/13/22 01:41 PM
Joined: Jun 2000
Posts: 141
Melbourne, FL, USA
Rob Van Name Offline
Senior Member
Rob Van Name  Offline
Senior Member
Joined: Jun 2000
Posts: 141
Melbourne, FL, USA
My 1982 J/30 came with a holding tank and Y valve. The toilet discharge can either go over board or into the holding tank.

Re: direct toilet discharge to the outside [Re: Rob Van Name] #19067
08/13/22 03:29 PM
08/13/22 03:29 PM
Joined: Mar 2019
Posts: 9
Chile
J
Joao Brito CHILE Offline OP
Forum Newbie
Joao Brito CHILE  Offline OP
Forum Newbie
J
Joined: Mar 2019
Posts: 9
Chile
Thank you Rob

When possible please send me some pictures of your "Y" discharge system.

It's winter here, and I'm a 2.5 hour drive from my sailboat

I am asking from the boat parking to send me photos for my system

Re: direct toilet discharge to the outside [Re: Joao Brito CHILE] #19081
08/19/22 04:26 PM
08/19/22 04:26 PM
Joined: Jun 2000
Posts: 141
Melbourne, FL, USA
Rob Van Name Offline
Senior Member
Rob Van Name  Offline
Senior Member
Joined: Jun 2000
Posts: 141
Melbourne, FL, USA
Joao,
I'll have to take some pictures. I'll be down at the boat next Friday.

Rob

Re: direct toilet discharge to the outside [Re: Joao Brito CHILE] #19082
08/19/22 11:27 PM
08/19/22 11:27 PM
Joined: Mar 2019
Posts: 9
Chile
J
Joao Brito CHILE Offline OP
Forum Newbie
Joao Brito CHILE  Offline OP
Forum Newbie
J
Joined: Mar 2019
Posts: 9
Chile
Thank you very much !! Rob

Here I send you photos of the installation I have, only with discharge to tank

Attached Files
1.jpg [58.17 KBytes] - (12 downloads)
2.jpg [67.05 KBytes] - (11 downloads)
3.jpg [85.66 KBytes] - (9 downloads)
4.jpg [90.67 KBytes] - (11 downloads)
5.jpg [69.99 KBytes] - (9 downloads)
Re: direct toilet discharge to the outside [Re: Joao Brito CHILE] #19083
08/20/22 02:13 PM
08/20/22 02:13 PM
Joined: Jun 2000
Posts: 141
Melbourne, FL, USA
Rob Van Name Offline
Senior Member
Rob Van Name  Offline
Senior Member
Joined: Jun 2000
Posts: 141
Melbourne, FL, USA
Joao,
Here are photos of my setup.

Attached Files
y valve close up.JPG [112.53 KBytes] - (7 downloads)
Close up of Y valve. Handle removed, set to fill holding tank
holding tank aft end.JPG [107.14 KBytes] - (4 downloads)
holding tank aft end
holding tank drain hose.JPG [92.87 KBytes] - (9 downloads)
Holding tank drain hose
vented loop in anchor line locker.JPG [93.45 KBytes] - (7 downloads)
Vented loop in anchor line locker
Re: direct toilet discharge to the outside [Re: Joao Brito CHILE] #19084
08/20/22 02:14 PM
08/20/22 02:14 PM
Joined: Jun 2000
Posts: 141
Melbourne, FL, USA
Rob Van Name Offline
Senior Member
Rob Van Name  Offline
Senior Member
Joined: Jun 2000
Posts: 141
Melbourne, FL, USA
The Y valve left hose come from the toilet.

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