Parts of a Toilet

Learn the different toilet parts for a seamless DIY repair

toilet bowl showing the interior parts of the tank

The toilet is one of the most used and important appliances in your home. All of the small parts and components work together to ensure a smooth flush for a cleaner and more sanitary bathroom. This guide provides a simple breakdown of standard toilet tank parts and toilet bowl parts.

Tip: For guide information on fixing your toilet, see our DIY instructions on how to repair a leaking toilet tank and how to replace a flush valve.

Toilet Tank Parts

  • Handle – located outside the tank, this is used to manually flush the toilet.
  • Overflow tube – this keeps excess water from overflowing into the tank and spilling onto the bathroom floor. It is connected to the flush valve.
  • Flush valve – this sits in the middle of the tank and is linked to the overflow tube. It triggers the toilet to flush waste from your toilet bowl.
  • Toilet flapper – situated at the base of the tank, this lifts and triggers a flush of water to the toilet bowl.
  • Tank lever – connected to handle, this lifts the toilet flapper which triggers the flush. 
  • Toilet fill valve – this is the part of the toilet responsible for refilling the tank after each flush.
Toilet Tank Parts

Toilet Bowl Parts

The toilet bowl is the lower part of the unit that holds water and waste. All the following parts are directly connected to the toilet bowl:

  • Rim – designed to prevent splashes and overflowing, this is the uppermost part of the toilet bowl. 
  • Seat – this sits atop the bowl and is ergonomically designed for a comfortable place to sit while using the toilet.
  • Lid – covers the toilet seat and can act as a safety barrier for children and pets.
  • Toilet flange – this fitting seals the toilet to the floor and connects to the drain pipe.
  • Wax ring – also known as the toilet bowl gasket or seal, this secures the base of the toilet to the flange.
  • Supply line – this connects the water supply to the toilet and allows for proper flushing.
Toilet Bowl Parts