Toilet & Cistern Parts

What is toilet cistern?

A toilet cistern is the upper tank that holds and releases water to flush the toilet bowl. It works by storing water until the flush button or lever is activated, then releasing it through a valve to clear waste efficiently. Toilet cisterns come in different styles, concealed, close-coupled, and high-level, each suited to different bathroom layouts. Essential toilet cistern parts include the inlet valve, flush valve, and float. These control water flow, refill speed, and flushing strength. Browse toilet cisterns and parts online and in-store at Mitre 10.

Can you replace a toilet cistern?

Replacing a toilet cistern is possible and often more practical than replacing the entire unit. If the base remains intact and leak-free, upgrading the cistern or swapping out faulty toilet parts can restore full function without major plumbing work. Start by identifying the exact parts that you need and matching the size and mouthing types. If unsure, taking the worn part in-store helps ensure a correct replacement. Find DIY-friendly cistern parts at Mitre 10 that make replacing a toilet cistern at home easy.