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Catalina 250 Specific Forum

getting a head

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CJRoxs
Navigator

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USA
114 Posts

Initially Posted - 08/06/2014 : 18:15:38

Looking for info on converting from a porta-potti to a head. Has anyone done this? If so, give me the straight and narrow.

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britinusa
Web Editor

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USA
5404 Posts

Response Posted - 08/07/2014 : 03:46:41

Not certain that I have ever seen a post with a C250WB with a fixed head. Not a lot of head room, but then...

Paul

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Tradewind
Admiral

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USA
531 Posts

Response Posted - 08/08/2014 : 05:42:15

My 250 came with a porta potty. I removed it and installed a Raritan PHII marine head, small holding tank and associated plumbing. For the intake water I installed a thru hull and that was fine while I had the boat on a fresh water lake but now I'm on the coast and don't want to use salt water to flush. I tapped into the hose from the water tank and use fresh water to flush. I have a pumpout available at my marina so it's not much of an inconvenience.

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CJRoxs
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USA
114 Posts

Response Posted - 08/08/2014 : 05:56:24

What size and where did you put your holding tank?

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SEAN
Admiral

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USA
772 Posts

Response Posted - 08/08/2014 : 10:53:09

http://www.defender.com/product3.jsp?path=-1%7C51%7C2234284%7C2234292& id=105225

These look nice all in one setup ..size of the holding tank is something to think about too how much use and how often you will have to pump out

..I use the sink to fill a bottle of water and por into tolit to flush , salt water does smell

Peggie Hall wrote a great book about differnt systems

Edited by - SEAN on 08/08/2014 10:59:00

Tradewind
Admiral

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USA
531 Posts

Response Posted - 08/08/2014 : 11:20:53

quote:
Originally posted by CJRoxs

What size and where did you put your holding tank?

Tank is behind the aft bulkhead, port side with the pumpout fitting under the port catbird seat, vent is on the port stern. I believe the tank is 9 gallon. I used the hose with the best rating for marine sanitation and a vented loop.

I glassed in a small platform to mount the tank on.

Edited by - Tradewind on 08/08/2014 11:22:08

TakeFive
Master Marine Consultant

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2272 Posts

Response Posted - 08/08/2014 : 20:46:47

A few comments:

You may find this to be a useful reference: http://www.catalina-capri-25s.org/tech/tech250/jadehead.asp

I have a 6 gallon holding tank in the aft lazarette, behind the battery. At one point it had a 12 gallon tank, but the wheel steering mechanism was rubbing it, so a PO replaced it with 6 gallons.

I do NOT like having the holding tank in the aft area. The hose from the head to tank is too long, and has a dead volume of about a gallon. So to thoroughly get the stuff flushed into the holding tank, you would need to pump more than a gallon of water. It's almost irrelevant whether your tank is 6 or 12 gallons - it will fill up too fast if you evacuate the hose properly after every flush. The best place to put the holding tank is just behind the wet locker, like shown in the above link. Much less dead volume, so you can flush adequately without filling up the tank. I would relocate my holding tank there if I used it more than I do. For now, on the rare occasion that we use it, we flush a few cups of water each time during the day, then do a full gallon flush at the end of the day to clear the hose.

I have a sea water intake for the flush, but I keep it closed all the time, and just pour a cup (or gallon) of tap water into the toilet.

Make sure to install a gooseneck with anti-siphon to prevent sinking your boat. This design is well documented for marine head installations.

Edited by - TakeFive on 08/08/2014 20:48:12

julie 50
Deckhand

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20 Posts

Response Posted - 08/11/2014 : 13:36:29

Our 250 WB came with the head installed. I hated it. Tank is too small to be much use, and then you have to keep way ahead of the maintenance to prevent hose or connection failure, which ours did immediately after we bought it.

We put in a composting C-Head. It's great. Only drawback is ladies may have to learn a new potty style, but it can be done, no biggie. Super easy for the guys. We spent last weekend camping on it on a ball and would not have made it all the way through with the old system before we would need to pump. Piece of cake for the C-Head. If you are adaptable, these things are awesome, especially on a small boat.

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CJRoxs
Navigator

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USA
114 Posts

Response Posted - 08/13/2014 : 22:55:54

Julie, tell me more. Is there a link to the head you have?

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