1nolaguy Posted March 24, 2022 Share Posted March 24, 2022 I recently replaced the ball valve gasket set on out Sealand toilet as the gasket had worn and was leaking. The hardest part was getting on the floor and getting back up. That unfortunately lead to a water leak at the flush valve. When left alone it does not leak but when running water to flush or fill the bowl it leaks (see photo). Does anyone know if the valve seal can be replaced or if the whole valve needs to be changed? Either way do any of you have the part number(s)? Link to comment Share on other sites More sharing options...
Dr4Film Posted March 24, 2022 Share Posted March 24, 2022 (edited) Here you go! Unless you have a different Sealand Model Toilet. Magnum Opus Parts List.PDF Edited March 24, 2022 by Dr4Film Link to comment Share on other sites More sharing options...
1nolaguy Posted March 25, 2022 Author Share Posted March 25, 2022 Thanks for the part list Dr4Film. Unfortunately the photo does not match my toilet. Checking the Monaco Build sheet it is a Dometic Sealand 510 plus. Manually operated with a foot flush mechanism. I found a parts list on line but it only a picture without a legend. The closets valve assembly I can find is all plastic. If possible I would rather fix the original. The all plastic unit looks like it would not last more than a few months. Link to comment Share on other sites More sharing options...
pwhittle Posted March 25, 2022 Share Posted March 25, 2022 Here is an original Dometic valve. https://marinesan.com/water-valve-kit/ Paul Link to comment Share on other sites More sharing options...
1nolaguy Posted March 25, 2022 Author Share Posted March 25, 2022 Thanks. As noted before all (almost) PLASTIC. Really disappointed in what has happened to Dometic products for the price they charge. Link to comment Share on other sites More sharing options...
Chuck B 2004 Windsor Posted March 28, 2022 Share Posted March 28, 2022 More than likely the floor around the toilet base is dry rotted due to ligiid leaking. You would do well to replace the floor around the base of your toilet. Chuck B 2004 Windsor Link to comment Share on other sites More sharing options...
1nolaguy Posted March 28, 2022 Author Share Posted March 28, 2022 Checked the floor and it is solid. The base (black part attached to the floor) does not move. It is the bowl section above the new gasket that rocks when weight is applied. Link to comment Share on other sites More sharing options...
Frank Bergamo Posted March 28, 2022 Share Posted March 28, 2022 If you have the 510+ toilet, make sure the plastic pieces are facing the right direction. If I remember correctly, there are directional arrows to properly install them with the steel band clamp. Hope this helps. Link to comment Share on other sites More sharing options...
1nolaguy Posted March 28, 2022 Author Share Posted March 28, 2022 Yep. That sounds like it. Makes sense as I gave that no thought when I reinstalled them. Link to comment Share on other sites More sharing options...
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