I have a 2009 250 Sundancer. My...
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07-24-2017 05:38 AM
I have a 2009 250 Sundancer. My holding tank on my head is leaking at the seams, it was pumped to pressurize it but not flushed right away. If I had to guess the seals? are blown out maybe? Looking for any advise on how to fix? Hoping I don't have to completely replace the head.
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07-24-2017 06:18 AM
It is either a Vacuflush w/ a vacuum generator, or a Vacuflush VHT system that maintains a vacuum on the entire holding tank. Which system is on the boat?
The holding tank is a seamless part, w/ sealed openings at the fittings.
Has the tank been pumped out to be empty? Does the head flush properly? Where are the leaks?
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07-24-2017 06:36 AM
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07-24-2017 06:42 AM
There is a split clam shell shroud covering the flush valve. Remove the shroud to expose the valve.
There is a garden hose fitting at the valve fresh water supply. Try tightening that fitting coupling to see if the leak is resolved. If not, then a valve rebuild kit will correct the leak. The head has a model number decal that is required to ID the correct replacement parts.
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07-26-2017 08:24 AM
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07-26-2017 08:27 AM
Is the head and holding tank all part of that one assembly?
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07-31-2017 10:14 AM
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07-31-2017 11:35 AM
Here are some links. The last one is the manual.
https://stingysailor.com/2015/10/17/product-review-dometic-970-series-portable-toilet-2/
https://www.dometic.com/en/se/products/hygiene-and-sanitation/sanitation/toilets/dometic-972-_-25288
https://cdn.dometic.com/assets/97/16/970-toilets-o-16s-01_39716.pdf?att=true
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07-31-2017 11:41 AM
http://www.southerncalmarine.com/products/sanitation/sealand-vacuflush-systems/sealand-replacement-parts/sealand-replacement-parts.pdf