Diaphragm Washer for Part 2 & 3 Toilet Fill / Float Valve / Ball-cock

Diaphragm washer for brass part 2 & plastic part 3 fill / float valves / ball-cocks including Delchem and many other brands.

Replacing this washer can often fix problems with slow filling toilet cisterns and float valves that won't shut off.

One side is different from the other, make a note of how the old washer was fitted and re-fit the new one the same way round.