DIY – HOW TO FIX DOMETIC 300 SERIES RV TOILET THAT DOESN’T HOLD WATER
Installation instructions: 1) Turn off water supply. 2) Hold the flush ball open by depressing the flush pedal. 3) Grasp the underside of the old seal and pull towards you to remove. 4) Clean the rim and bowl area where the old gasket previously sat. 5) Release flush pedal and allow the flush ball to close. 6) Clean the flush ball. 7) With the flush ball closed, put the new seal in and press outwards to ensure that it is firmly in place. 8) Reopen the flush ball and spread a lubricant in the areas where the gasket will contact the flush ball. 9) Open and close the flush ball several times, then press down on the gasket to ensure it is properly positioned. 10) Turn on the water supply, add water to the bowl and ensure that there are no leaks. NOTE: Potential lubricants include silicone grease, petroleum jelly and spray silicone This is a generic product manufactured and distributed by Mission Automotive (TM). This is not a Dometic (TM) OEM product and Mission Automotive has no affiliation with or endorsement from Dometic (TM). Our product is not covered under any Dometic (TM) manufacturer's warranty. The Dometic (TM) brand names and logos are the registered trademarks of their owners. Any use of the Dometic (TM) brand name, model or any other related designations are made solely for purposes of describing and illustrating compatibility.