American Standard 3174.002-0070a Champion 4 Replacement Flush Valve for Two Piece Toilets with Stainless Steel Bolts and Nuts.

Replacement flush valve that flushes all the water. Fits in American style two piece toilets with a bottom fed 3 inch flush hole toilet tank. Also works as a replacement for the flush valve in the original line of Champion toilets Champion 4 Toilet valves leave 4 inches of water in your toilet tank every time you flush. The Overflow Extension lets you increase the amount of water in your tank for a better flush measure it to fit the height of your tank. The flush valve is made of a durable high impact material for a long lasting valve saving you money.