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Jabsco E-Toilets |
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tobo2 ![]() Captain ![]() Joined: 14 February 2014 Location: Switzerland Status: Offline Points: 220 |
![]() ![]() ![]() ![]() ![]() Posted: 09 May 2022 at 18:42 |
Already after two years our joker-valves of all three Jabsco e-toilets had to be changed. As the toilet bowls are glued to the rear wall with Sika it's quite a work to replace to joker valves. In one case - the one of the owners cabin - the bowl filled with water again. It turned out that the tube to feed the bowl with seawater was mounted too low. Just by clipping the tube to a slightly higher position helped. So be aware that the issue with water in the bowl can be caused by this. We are looking now for a good detergent to extend the lifecylce of the valves and to avoid limestone. Any suggestions?
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Martin&Rene ![]() Rear Admiral ![]() ![]() Joined: 06 December 2009 Location: United Kingdom Status: Offline Points: 678 |
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Do you keep your yacht on a freshwater lake or on the sea, as the problems are slightly different and so are the solutions?
We sail on the sea and are happy if we actually get 2 years between valve changes.
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Martin&Rene Hanse 341 Dipper Wheel steering, 3 cabin layout, normally based in Scotland
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Wayne's World ![]() Vice Admiral ![]() ![]() Joined: 18 July 2012 Location: Cruising Status: Offline Points: 887 |
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Once a month we put about 2 litres of vinegar (10% solution if you can get it rather than the standrad supermarket 5%) in the toilet and pump it so about 100mm left in the bowl and leave it for 24 hours. This seems to reduce the build up of the calcium. You can use diluted hydrochloric (muriatic) acid but this a lot more aggressive. Use a 10% dilution and only leave in teh toilet and pipework for 30 minutes.
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Wayne W
Cruising, currently in the Caribbean and will head across the Pacific early 2023 |
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tobo2 ![]() Captain ![]() Joined: 14 February 2014 Location: Switzerland Status: Offline Points: 220 |
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Dear Wayne & MarinRene Thanks for your fast tipps. We sail on the sea, at moment waiting in Cadiz to pass through Gibraltar going to the Med. The shipyard Sopromar in Lagos/Portugal (by the way a very reliable and serious company I can recommend) which did the toilet repairs suggested a detergent they use for their yachts during winter layup from www.thetford.com
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Wayne's World ![]() Vice Admiral ![]() ![]() Joined: 18 July 2012 Location: Cruising Status: Offline Points: 887 |
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Thomas,
The Aqua Kem and like products are mainly to reduce odor and help break down organic waste in the holding tank. They will do little to reduce calcium build up or dissolve this build up once formed. We use a similar product all the time and we still get a calcium build up in our seawater flush toilet. The other way to greatly reduce teh build up is to covert your toilets to fresh water flush.
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Wayne W
Cruising, currently in the Caribbean and will head across the Pacific early 2023 |
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Nelson01 ![]() Lieutenant ![]() ![]() Joined: 18 September 2018 Location: Med...Italy now Status: Offline Points: 36 |
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Hi Tobo
Had same situation last year after 3 seasons.Since the last change of the joker valve, we now flush with very hot/not boiling fresh water and let it sit for a few hours. In the fall, at layover, we did major rinse of the heads with freshwater . No problem since🤗. Marc
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Marc
H508#11 UNEVIE |
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Martin&Rene ![]() Rear Admiral ![]() ![]() Joined: 06 December 2009 Location: United Kingdom Status: Offline Points: 678 |
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Wayne has given you the cures, we also use a number of preventative tactics. The problem is the reaction between urine and the seawater, so we always pump a lot of seawater after we have emptied the bowl, with the aim being that there is only seawater in the discharge pipe. At night, we sometimes will flush the toilet with freshwater just before going to bed ands then we have a water bottle with freshwater in it for flushing the bowl if there is a middle of the night visit, so that all we do is just pump a few strokes (quietly) to empty the bowl. Like Marc, we flush the loo with freshwater, if we are leaving the yacht for any period.
Rene and I did our Coastal Skipper Course at Gibraltar and the Instructor had a set of Royal Navy tide tables that gave the current streams at different depths for the submarine navigators. Enjoy your trip.
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Martin&Rene Hanse 341 Dipper Wheel steering, 3 cabin layout, normally based in Scotland
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