The simplest way to determine which Fluidmaster flush valve and flapper to use is to measure the flapper that is already on the flush valve. To identify what size is needed measure the width of the flapper from end to end.
How do I know if I have a 2 inch or 3 inch flush valve?
Look at the flush valve drain opening at the bottom of your tank.
If the opening looks about the size of a baseball or orange, you need a 2″ flapper.If the opening looks about the size of a softball or grapefruit, you need a 3″ flapper.
What size are toilet valves?
Shut Off Valves Sizing For Toilet. Most of the supply line hoses come with 3/8”, 7/16”, and 1/2” compression. Stop valves also come with various sized outlets. The most common size among them is 3/8”,1/4” and 1/2”.
How many inches is my flush valve?
The standard size of a flush valve is 2 inches. This size is what you’ll likely find at a home improvement store and should work on most toilets, including low-flow and older models with larger tanks.
Are all toilet flush valves the same size?
Toilet flush valves come in different sizes ranging from 2 to 4 inches, depending on the toilet design. If you are thinking of buying a new toilet, pay attention to the type of flush valve it has. In most cases, larger valves move water faster, resulting in a better flush.
Are toilet flush valves universal?
No. Toilet flush valves come in a variety of sizes, and there are also several types, including standard, tower- or canister-style, and dual flush valve.