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wyctoronto · 05-11-2019, 13:34

Hello,
I’m replacing my Jabsco electric Head with a Dometic 7160 electric Head. The jabsco has an in and out at the pump, a hose that comes from below the inaccessible floor to the upper rear of the toilet, and another hose that connects to a fitting from in front of the pump and leads to a large discharge hose that disappears presumably to the holding tank.
The dometic seems to have water in and waste out and that’s it.
Currently there is a vented loop on the other side of the bulkhead that disappears below the floor so I’m not sure if it’s connecting point.
I’m confused about how to plumb the new head.
Any direction is appreciated.
Thanks.

GILow · 05-11-2019, 19:34

My first advice is to not assume any of those things you just assumed and ensure access to each of the components you mention. All have the potential to sink your boat or other horrible things if they go wrong.

As for what you describe, all of the Jabsco electric toilets I have seen have a raw water inlet and a black water outlet with a third hose exiting the pump to supply the raw water flush to the bowl. That sounds like the hose you describe as coming from the inaccessible floor to me. It probably comes from the pump on the toilet but dives below the floor momentarily.

Matt

peghall · 05-11-2019, 19:50

Did you get an owners manual that includes installation instructions with the toilet? If not, call Dometic (they have a location in Ohio) to ask for one. It should include an exploded drawing that illustrates where to connect the flush water intake and discharge lines.

It's very important that you gain access to those "inaccessible" areas to be able to open and close seacocks and maintain the things that are in those areas. There's another site that has a whole bunch of forums specifically devoted to Hunters of all sizes and "vintages" and a lot of very friendly and helpful owners and other folks who will be glad to help you learn how to do that. sailboatowners.com Check it out...I think you'll like it there.

--Peggie

wyctoronto · 06-11-2019, 07:19

Thanks,
I will post to Hunterowners

HopCar · 06-11-2019, 08:34

I think you need to know which Jabsco toilet you have. Your description of a hose coming up through the floor and attaching to the back of the toilet (bowl?) makes me think you have a Jabsco Quiet Flush. In that case you have a remote supply pump. It could also be a fresh water flush that uses your fresh water system to supply flush water.