As a sanitation and plumbing expert with years of experience in the industry, I am well-versed in the intricacies of toilet systems. Let's delve into the components found within a typical toilet tank.

The toilet tank is a crucial part of the toilet system, housing the mechanisms that allow for the flushing of waste and the refilling of water. Here's a detailed look at the components typically found inside a toilet tank:


1. Toilet Flush Valve: Also known as the flush valve or the overflow tube, this is the primary outlet for water during the flushing process. It is located at the bottom of the tank and has a flapper or a ball valve attached to it. When the toilet handle is pressed, the flapper or ball lifts, allowing water to flow from the tank into the bowl.


2. Fill Valve: This is the device that refills the tank after a flush. It operates automatically and is designed to maintain a consistent water level within the tank. The fill valve can be a float cup valve, which uses a float on a rod to regulate the water flow, or a diaphragm valve, which uses a flexible diaphragm to control the water level.


3. Float and Float Arm: Attached to the fill valve, the float is a buoyant object that rises and falls with the water level in the tank. The float arm is connected to the float and moves up and down with it, regulating the water flow into the tank.


4. Water Level Indicator: This is a visual aid that helps you determine the water level in the tank. It can be a simple line or mark on the tank or a more complex device with multiple indicators.


5. Overflow Tube: This is a secondary water outlet that prevents the tank from overfilling. If the water level rises above a certain point, the overflow tube will allow excess water to flow out, preventing the tank from overflowing.


6. Chain or Lift Cable: This connects the toilet handle to the flush valve. When the handle is pulled, the chain or cable lifts the flapper or ball valve, initiating the flush.

7.
Flush Lever: The handle that the user pulls to flush the toilet. It is connected to the flush valve mechanism via a chain or lift cable.

8.
Toilet Tank Lid: The lid that covers the top of the tank, providing a barrier to prevent debris from entering the tank and protecting the internal components.

9.
Various Washers and Gaskets: These are used throughout the tank to create seals and prevent water leaks.

A leak in the tank can indeed cause a toilet to run constantly or intermittently. This is often due to a faulty fill valve or a worn-out flapper or ball valve that fails to create a proper seal, allowing water to continuously flow into the bowl. Regular maintenance and inspection of these parts can help prevent such issues and ensure the efficient operation of the toilet system.

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A leak in the tank can make a toilet run constantly or intermittently. ... But don't let the toilet tank parts scare you. There are really only two main toilet tank parts: the toilet flush valve, which lets water gush into the bowl during the flush; and the fill valve, which lets water refill the tank after the flush.read more >>