top of page

How to Measure a Tap Cartridge

How to Measure a Tap Cartridge

Do you have a leaking or malfunctioning tap? The first step to fixing the issue is to identify the correct replacement cartridge. But how exactly do you measure a tap cartridge? In this blog post, we will guide you through the process step by step, so you can quickly find the right cartridge and get your tap working like new again.

Why Measure a Tap Cartridge?

Tap cartridges come in various sizes and designs. Measuring the cartridge is crucial to ensure you purchase the correct replacement. A compatible cartridge will fit seamlessly into your tap, fixing any issues and preventing further leakages.

Tools You Will Need

Before starting, gather the following tools:

  • Measuring tape or ruler

  • Vernier calliper (optional, but highly recommended)

  • Pen and paper

Step-by-Step Guide to Measuring a Tap Cartridge

Turn off the water supply: Before beginning any work on your tap, turn off the water supply at the mains to prevent any accidents or water damage.

Disassemble the tap: Carefully remove the tap handle or cover to access the cartridge assembly. This step may vary depending on the tap model, so consult the manufacturer's guidelines if necessary.

Remove the cartridge: Take out the existing cartridge from the tap body. Some cartridges can be easily pulled out by hand, while others may require a specific tool.

Measure the overall length don’t include the screw: Use a measuring tape or ruler to measure the overall length of the cartridge. Place the tape or ruler against one end of the cartridge and measure up to the other end. Take note of this measurement, as it is crucial for determining the correct replacement.

Measure the diameter: If possible, measure the diameter of the cartridge body. This measurement will help you identify the suitable replacement cartridge. A vernier calliper is a useful tool for accurate diameter measurements.

Count the splines:

Note additional details: While examining the cartridge, take note of any markings, numbers, or brand names. These details can be helpful when searching for the appropriate replacement cartridge, especially if you are unable to measure the cartridge's diameter.

Compare measurements: Armed with the measurements and any additional details, start researching the replacement options. Visit the manufacturer's website, search online plumbing stores, or consult with a professional to find the exact match for your tap.

Select the replacement cartridge: Once you have identified the correct measurements and details, purchase the replacement cartridge. Make sure to choose a high-quality cartridge from a reputable supplier to ensure its durability and lifespan.


Measuring a tap cartridge is a simple and essential process to find the right replacement. By following the step-by-step guide provided in this blog post, you'll be able to accurately measure the cartridge length, diameter, and any additional details required to purchase the correct replacement. With a new cartridge installed, you can say goodbye to that annoying leak and enjoy the full functionality of your tap once again!

46 views0 comments

Recent Posts

See All

What Is A Tap Cartridge

Tap cartridges are an important component of your tap that help regulate the flow and temperature of water. They control the amount and pressure of water that comes out of the tap, and ensure that the


bottom of page