Flushmate E-205288 Universal Tank-to-Bowl Gasket for 503 & 504 Series - Compatable with Most Two-Piece Toilets, Compatible with American Standard, Kohler, Gerber, Flushmate, & More

It fit like it supposed to ,

I have a Flushmate 503. Fit perfectly and fixed the issue.

Replaced faulty ring and fit perfectly. Easy installation. Ring slips over tank outlet and prevents misalignment.

Worked great on my flush mate! They didn't have one like this at home depot. This is better and denser, in order to seal the high pressure flush between the tank and the toilet. I tried 2 different ones from home Depot and none sealed as great as this!

The gasket does not properly fit the Flushmate pressurized unit. The upper seal does not fit properly. Gasket is good quality, just is not the right one for the unit. Additional note; It does not fit for Flushmate model M-102540-F4, which seems to be a special model for a low profile Kohler toilet.

Perfect fit for the job. This gasket is at least 50% larger than a gasket I had tried first that didn't work.

make sure you have the right fitting

From the flushmate.com site the correct gasket is E-205288. Compare the old and this new one. This one is too small and the toilet leaks. This is NOT OEM part.