Does NOT Compatible with 300, 310, 320 series Dometic toilets. Replacement for Dometic 385311462 & 385316140.compatible with 506, 510, 511 H, 547, 548, 706, 709, 748, 749, 806, 808, 847, 848, 1147, 1148, 2010, 2011, 5006, 5047, 5048, 5049，EcoVac 146-149， VacuFlush 168, 606, 647, 648, 1006, 1008, 1047, 1048, 1049, 1106, 5146, 5147, 5148, 5149. It made of high-elastic rubber to ensure resilience, soft and longer service life. Anti-Friction and good tightness to ensure seal properly, no worry about leaking. The RV toilet flush gasket effectively solves the problems of toilet leakage and unpleasant odors, creating a fresh and comfortable environment inside the vehicle. Please confirm the part number before to order. Compatibles With DOMETIC / SEALAND toilets that do not include overflow holes inside the toilet bowl: 506+, 511H, 547+, 548+, 706, 709, 748, 749 806, 808, 847, 848, 1147, 1148, 2010, 2011, 5006, 5047, 5048, 5049 EcoVac 146-149
VACUFLUSH:168, 606, 647, 648, 1006, 1008, 1047, 1048, 1049, 1106, 5146, 5148, 5149
Installtion Step:
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. Engage the area where the seal gasket interfaces with the flush ball with lubricant.
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.
Notice:NOT ORIGINAL Dometic