Standard household toilets consist of multiple components, namely the bowl and the cistern. Despite their significance and frequent usage, toilets and cisterns are often overlooked by individuals.However, when issues arise with these fixtures, such as leaks, it becomes crucial to have a basic understanding of their functioning. Familiarizing yourself with toilet cisterns can prove advantageous in various situations, enabling you to effectively address any problems that may arise.

Knowing how a toilet cistern operates can greatly simplify the maintenance of a modern toilet. The cistern is filled with water through three common components: a fill valve, a water supply line, and a float mechanism. The supply line connects the cistern base to the plumbing system, allowing water to fill the tank.
The fill valve is responsible for enabling the entry of water from the supply line into the storage tank when it is in an open position. On the other hand, the float mechanism plays a crucial