Electric flush toilets on boats

Trident said:
We've had a an electric Vetus for 5 years now for daily use as we live on board and cruise continuously

It has been incredibly reliable - never broken or blocked beyond perhaps needing an extra flush. Its nothing like as loud as a Jabsco pump and macerator - and has short and long flush options. All very civilised and easy to live with. Also a normal size bowl rather than compact which is better if you have the space and will be aboard lots.

Not cheap but very easy to install and use. Installation was just running wire capable of taking 20 amps over the length of the run (we used 4mm but doing it again I'd go 6mm) back to the fused panel. Just two wires in and thats it on the electrical side. Ours is fresh water so a fresh connection in and the outlet is 25mm hose rather than the usual 38mm as the macerator makes things finer. All I had to do was change the hose tail on the existing seacock to the smaller diameter . Power draw is very small in terms of amps used
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Another vote for the Vetus electric toilet. We’ve just completed our first season with it and I am very impressed. The fresh water flush has not impacted our consumption noticeably. Ours discharges into a holding tank.
 
rogerthebodger said:
Chop off the pipe that runs from the button of the bowl to the hand pump.

If a piece of pipe to the bowl end of that pipe and connect an electric diaphragm pump to that and to the outgoing pipe to the seacock or holding tank.

The fit an electric pump between the flush water to the pipe under the rim of the bowl.

Wire u both to a switch or button and their you go.

If you don't think you have the skills do what Paul says and replcae with a Jabsco lite
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Another vote for the Sanimarin 31 bog. Straightforward installation of the toilet, control panel and electronics. Got really tired of changing the joker valve every year (!) on my previous manual Jabsco Twist'n'Lock. The Sanimarin 31 isn't the cheapest option but in my opinion worth the extra cost. I now have a low noise bog, no unpleasant joker valve changes and flushing using fresh water instead of salt.
 
steve yates said:
Anyone any experience of installing or using these?
I’m thinking the existing Lavac manual pump toilet in our Longbow will be too difficult for my wife to pump (cancer/chemo) and I should replace it with one of these.

The heads will be completely refitted anyway, all piping renewed and new plumbing installed, so this would the time to do it.

Am I right in assuming that the actual power usage is fairly minimal as its only a very short current draw when flushed?

Is everything else like plumbing, seacocks etc identical whether or not you have a manual pump or electric flush loo?

What are the upsides and the downsides I need to consider?
Thanks.
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I’ve got a Lavac I fitted with an electric pump and kept the manual as a back up. Helped that I had space to fit y valves so all pipes share same outlet. Only had to use back up one in more than 12 years..
careful to choose the correct pump - if you pm me I will send more details- need to check proper pump name when I’m at boat. wasn’t the first one I fitted ( which caused the use of the back up manual pump). this one is much better.
current draw is about 6A . Fused to 8A, for about 40 seconds per flush, so not really significant.
Wouldnt have any other system
 
howardclark said:
I’ve got a Lavac I fitted with an electric pump and kept the manual as a back up. Helped that I had space to fit y valves so all pipes share same outlet. Only had to use back up one in more than 12 years..
careful to choose the correct pump - if you pm me I will send more details- need to check proper pump name when I’m at boat. wasn’t the first one I fitted ( which caused the use of the back up manual pump). this one is much better.
current draw is about 6A . Fused to 8A, for about 40 seconds per flush, so not really significant.
Wouldnt have any other system
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Sorry should have said mine is a baby Blake- vacuum system
 
howardclark said:
I’ve got a Lavac I fitted with an electric pump and kept the manual as a back up. Helped that I had space to fit y valves so all pipes share same outlet. Only had to use back up one in more than 12 years..
careful to choose the correct pump - if you pm me I will send more details- need to check proper pump name when I’m at boat. wasn’t the first one I fitted ( which caused the use of the back up manual pump). this one is much better.
current draw is about 6A . Fused to 8A, for about 40 seconds per flush, so not really significant.
Wouldnt have any other system
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As I understand it with a Lavac you just put the two pumps in series, no Y valves needed?
 
MontyMariner said:
"Lavac Electric Pump 12V. Hardwearing and reliable 12V electric pump form Lavac and TMC
  • Single Diaphragm Pump to handle unmacerated toilet waste (Black water)"
I'm not sure that I like the idea of pumping solid poo out to sea.
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Why not have tu seen the poo whales [put into the sea withouty macerating

diaphram pumps mash up solid poo quite effectively anyway
 
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