My brother has the same toilet that I do and is equipped with the flushmate 503 M-101526-F3.

It appears the flushmate flush valve fitting is smaller than the tank hole.

Is there an tank to toilet reducer that will allow the flushmate to be installed?

  • If, as you say, the two toilets are the same then the holes should be the same, NO? Even if there is an adapter it may cost nearly as much as the correct flush valve. – Alaska Man Oct 3 '20 at 20:28
  • I have found that many manufacturers make the same valve for either a 2" hole or a 3" hole. – Alaska Man Oct 3 '20 at 20:39

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