How do I know my flush valve size?

Look at the flush valve drain opening at the bottom of your tank.

  1. If the opening looks about the size of a baseball or orange, you need a 2″ flapper.
  2. If the opening looks about the size of a softball or grapefruit, you need a 3″ flapper.

What is the standard size of a toilet flush valve?

The standard 4-inch flush valve is intended for toilets with a tank-to-bowl opening of about 4 inches—a bump in size that provides a more powerful flush as the flow of water into the toilet bowl increases.

How do you measure toilet flush?

1) Place tape measure straight down into the toilet tank and make note of the water level in inches. 2) Leave the tape measure in place and flush the toilet. Make note of the lowest water level, before the tank begins to refill. 3) Subtract the second water level reading from the first to get your height reading.

What is 2 inch flush valve toilet?

2 inch and 3 inch Flush Valves are valves that flush using a flapper valve to release the water. The designation 2 inch and 3 inch describe the drain opening along with the corresponding size of the flapper that covers the drain opening.

Are all toilet fill 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.

What size thread is a toilet fill valve?

Straight Thread x 7/8 in. Ballcock Thread x 20 in. Reinforced Vinyl Toilet Supply Connector.

Can you replace a 3 inch flush valve with a 2 inch?

An easy reference is to look at the size of the flush valve drain opening in the bottom of the tank. If it’s about the size of an orange or baseball, you need a 2 inch seal. If it looks more like the size of a grapefruit or softball, you need a jumbo 3 inch seal.

How do I choose a toilet fill valve?

Quote from the video:
Quote from Youtube video: You need to make sure that you are picking a valve that contains few or no metal parts plastic rubber and other durable material might be better choices. Places.

Are most toilets 2 inch flush valve?

Most toilets will have a 2-inch drain or a 3-inch drain. Fluidmaster manufactures a standard or universal size of flush valves with flappers and are among the most common flush valves to be used.

Are toilet flush valves interchangeable?

They really actually all do the same job but operate slightly different. Most toilets are the same so it is just the mechanism’s that are different. The part of the toilet that stores the water is called the cistern and these will have in generally a 2” opening at the bottom to which the 1 ½” siphon sits into.

What is the standard toilet supply line size?

Typically they are 3/8” in diameter, but toilet supply line size can vary in length, usually anywhere from 9” to 20”.

What size flush valve does Kohler use?


Kohler Genuine Part 1083980 3″ Toilet Canister Flush Valve Kit, 2.50 x 1.50 x 9.00 inches.

Are Kohler flush valves interchangeable?

The older version of this toilet has the flapper flush valve which is shown in the lower right of the screen, below the canister valve diagram. The two flush valves are interchangeable in this toilet.

How do I find the model number of my Kohler toilet?

The model number is located inside the tank, either molded into the china or stamped with blue or black ink. The model number consists of four or five digits and may include a K prefix. In some cases, the model number is preceded by 97 or F.