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Old 07-16-2014, 06:16 PM   #21
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LOL. Do we need a inline back flow preventer on this thread? Oh, wait. That's what the mods are supposed to do.
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Old 07-16-2014, 08:00 PM   #22
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I'll be renovating the head next Fall and I'm contemplating replacing the manual flush toilet with an electric one. Main reason is to give a more modern look to the head and saving a bit of space by not having the pump on the side of the bowl.

Looking for info on pros and cons.
Buy a used Raritan Crown (centrifugal pump) and remove the raw water pump (which is the primary noise maker and power hog).

Buy a Jabsco combination fresh water solenoid/vacuum breaker valve.

Buy a few Sharkbite couplers, some PEX tubing, and an inline shutoff valve for the fresh water hook up.

Plumb a vented loop in the black water discharge circuit so that a small pool of water stays in the bottom of the bowl (and you can eliminate the Joker valve forever).

Bingo...quiet, powerful, efficient, odor free, electric head for cheap. I have two of them in our boat. We don't need no stinking new heads.
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Old 07-16-2014, 08:24 PM   #23
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Thanks Big Brother.
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Old 07-17-2014, 11:53 AM   #24
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I just installed one of these. So far, so good.

MasterFlush 8639 toilet - Sealand
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Old 07-17-2014, 01:04 PM   #25
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Take a very close look at: Raritan Engineering | Marine Elegance
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Old 07-17-2014, 01:43 PM   #26
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Lots of great input. So if I understand correctly, electric toilets come with a macerating pump. Does that mean that you can put paper in them?
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Old 07-17-2014, 01:54 PM   #27
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I have two boats, both with eletric toilets. One of them a Schooner in Brazil that use salt water and the other, a trawler in St Maarten that has two eletric toilets using fresh water.
Ofcourse the toilets that use the fresh water have 20 years without problem and the schooner toilet, I have to change about every 5 years.
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Old 07-17-2014, 02:29 PM   #28
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Lots of great input. So if I understand correctly, electric toilets come with a macerating pump. Does that mean that you can put paper in them?

Yes. Appropriate paper, in appropriate amounts.

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Old 07-17-2014, 02:57 PM   #29
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When I installed my Jabsco, I spoke with the Jabsco toilet engineer (yes, there is such a guy!) who suggested I just use single-ply Scott TP found in just about any store. He said it's just as compatible as the TP marketed for marine or RV uses yet costs much less. He also said it's stronger than some RV types and I agree. I've never had a problem with it.

But that's it! Only what has passed through the body and that TP are allowed in the toilet...nothing else.
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Old 07-17-2014, 03:01 PM   #30
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We over load ours Jabsco Electric flush with toilet paper all the time and in 4 years have still never had a clog. It will likely happen in time but it will eat every thing ever put down it so far.

I did do some rewiring recently and dedicated a separate battery bank for toilet and inverter use and when I did it was a longer run and I am seeing a bit of voltage drop from previous, this causes me to be a little more curious every time it takes a big bite and I will be running larger lines as an up coming project. They are usually fused at 25 amps and draw a strong 15 plus.
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Old 07-17-2014, 03:30 PM   #31
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Lots of great input. So if I understand correctly, electric toilets come with a macerating pump. Does that mean that you can put paper in them?
You should be able to put paper in any modern marine toilet.

If in doubt about what paper to use, take one square of the paper you'd like to use, put it in a jar with water, shake the jar hard 5 times. If the paper is broken up after the 5 shakes, you're good to go. Modern marine toilets can handle one or two ply home tissue just fine. Marine TP is a total rip off.
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Old 07-17-2014, 03:39 PM   #32
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This is almost getting too graphic but I have been known to throw a cup of water in the bowl if it is loaded with paper to help a little, still never had a clog but it bogs less with more water in the bowl to help liquefy it seems and sounds.

P.S. I'm checking outta this thread before I jinx myself and have to do toilet maint. this weekend.
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Old 07-17-2014, 03:55 PM   #33
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Doug, this is tame in comparison to prior head threads. You'll get used to us over time...a loooong time, maybe.
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Old 07-17-2014, 03:57 PM   #34
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Replaced our old electric toilets with Tecma toilets, eight years ago. Also replaced as much sanitation hose as possible with PVC pipe. Eliminated all toilet issues. Worth every penny.
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Old 07-17-2014, 04:26 PM   #35
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I secretly like it

I just sold my 51' Bertram and a 370 Searay dancer with 2 and 1 respectively, sealand vacuflush systems and they required a lot of attention to keep working properly. It was always sensors, check valves and tank odors almost weekly. Glad they are gone, i have learned to cherish the natural dependability that comes with simplicity. Only elec. for
me
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Old 07-18-2014, 10:18 AM   #36
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Ok, one more question. I keep seeing vacuflush. What does that mean?
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Old 07-18-2014, 10:38 AM   #37
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The vacuflush toilets use a vacuum pump to pull a vacuum in a large chamber and the toilets have a small, maybe 1/2" orifice that all of the waste goes through and kind of gets pulverized when you step on the flush pedal. Then it regenerates a vacuum and waits for the next flush. Giant sucking sound but no grinders to listen to and are reliable flushers as well, although I have seen mine bridge a couple of times and need poked thru. the toilet ball valve end., yuk !! At the end of the day I see the electric as simpler and more reliable and that is my creed for now, the less marine toilet maintenance I do the happier I am.
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Old 07-18-2014, 11:56 AM   #38
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VacuFlush Toilet Systems - Sealand
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Old 07-18-2014, 12:19 PM   #39
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...Does that mean that you can put paper in them?
So long as its not the newspaper


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You'll get used to us over time...a loooong time, maybe.
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Old 07-18-2014, 12:29 PM   #40
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" Dag Nabit , Margret "

I know I said that newspaper was nothing more than toilet paper but you still cant flush it here on the boat " ..... "I just checked it out on the Trawler Forum to be sure "


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