Flush valves are usually 2-inch or 3-inch in size.
Different manufacturers offer various designs, meaning flush valves are not universal.
This is why it’s essential to know the pop in you have before replacing your toilets flush valve.
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Read on below to learn about the different types of toilet flush valves.
Tower Flush Valve
The tower flush valve is a variation of the flapper valve.
This plastic cylinder is connected by a chain to the flush handle.
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The cylinder seals the tank when it’s down and allows water to flow when it’s up.
The design of the tower flush valves improves water flow.
This is a standard flush valve; however, designs will vary.
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Flapper flush valves contain an overflow riser that prevents overfilling and a rubber flapper that covers the drain opening.
The flapper-style toilet flush valve works via a chain that is connected to the flush handle.
The chain raises the flapper, allowing water to flow.
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The flapper will stay open until the tank empties.
Other than that, the canister flush valve works in the same way as a tower flush valve.
Flushometer
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The flushometer flush valve is used on tankless toilets.
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It is used in public restrooms.
The flushometer valve is encased in a stainless steel body that connects it to the building’s water supply.
You will rarely need torepair a toiletwith a flushometer.
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Concealed Flush Valve
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Concealed flush valves are used on automatic toilets.
It is activated by motion sensors or by a button.
Like the standard flushometer valve, concealed flush valves don’t often have many problems that need repairing.
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Next to leaking, fill valve malfunctions are the mostcommon issues with toilets.
Depending on your toilet’s design, most flush valves are 2-4 inches in diameter.
If the flapper measures 3 inches across, you have a 2-inch toilet flush valve.
If the flapper measures 4 inches across, you have a 3-inch toilet flush valve.
However, it’s important to be patient and take your time when doing so.
If you rush, you risk cracking the porcelain tank.
There are plenty of instructional videos on YouTube to guide you.
