What size stop valve for Toilet?

Usually, the traditional Toilet shut-off valve comes with a 3/8″, 1/4″, and 1/2″ diameter. But, the standard size for the Shut off valves is 3/8 diameter. The 3/8 diameter stop valve is necessary and applicable to nearly all the supply lines.

What size is a toilet valve?





2 inches

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.

How do I know what size shut off valve?

Quote from the video:
Quote from Youtube video: On the top. And then you need to know what size is connecting to your shutoff valve underneath the toilet. The most common size is 3/8 compression.

Are all toilet connectors the same size?

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

How do I know if my toilet uses a 2 inch or 3 inch flush valve?





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.


Are there different size flush valves for toilets?

Toilet flush valves come in the following formats: standard, 3-inch, 4-inch, tower-style (also called canister-style), and dual flush valves.

How do you measure a toilet flush valve?

Quote from the video:
Quote from Youtube video: If it is the size of tennis ball or an orange your toilet requires a two inch flapper. If it is the size of softball or grapefruit. Your toilet requires a 3-inch flapper.

Do fill valves come in different sizes?



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.

What size is my toilet supply line?

The supply line to the toilet is standard 1/2-inch copper or plastic pipe routed from the main water line or a 1/2-inch cold water line. This standard is used throughout the home to supply faucets, showers and any other appliance requiring water, including the washing machine.

What size is toilet inlet?



1/2″

Most bathroom suites in Europe, particularly Spain and Italy use a 3/8″ thread whereas 1/2″ is standard for the UK.

Is 3 inch pipe OK for toilet?

Waste drain pipes for toilets in modern plumbing systems are either 3 inches or 4 inches in diameter. The wider the pipe, the more waste it can move and the less likely it will be to clog.