How To Replace The Cartridge In A Mixer Tap Apr 2026

To lubricate the new seals for a smoother action.

Replacing a cartridge in a mixer tap is a common DIY task that can resolve issues like persistent dripping, stiffness, or poor temperature control. A mixer tap cartridge is the internal component responsible for regulating the flow and temperature of water. Over time, these ceramic discs or plastic parts can wear down due to friction or mineral buildup. Essential Tools and Preparation Before starting, gather the following tools: How to replace the cartridge in a mixer tap

To loosen the retaining nut.

Useful for prying off decorative caps.

To remove limescale from the tap body. Preparation: Replace cartridge + service single lever mixer tap To lubricate the new seals for a smoother action

Typically 1.5mm to 3mm to remove the handle. How to replace the cartridge in a mixer tap