Spares Shop

Replacement Ion Exchange Filter




Replacement Ion Exchange Filter for Methven Alexandria 4-in-1 Instant Hot Water tap

The enhanced ion exchange filter not only works as an activated carbon system absorbing substances that may impair taste and smell, such as chlorine, chemicals, disinfectants and heavy metals it also removes all calcium ions which prevents limescale forming making the water much softer. Replacing this filter cartridges every 3-6 months will ensure your instant hot water tank’s optimum performance.

Find out how to change your filter here


  • Better tasting drinks - Our filters for the instant hot water tap are supplied by Watercare and are some of the most eco-friendly in the world. They are made in the UK and 100% recyclable, providing a genuine sustainable and cost-effective alternative to others in the industry. We have undertaken thousands of hours of research to choose the best most efficient filters for the tap, so whether you live in a soft water area or hard water area we have the right filter for you.
  • Usage - This filter is solely for the use within the Enhanced Ion Exchange filtration system and not the standard Carbon Filter filtration system. We recommend that you change your filter every 6 months to ensure water purity, taste and product performance. Failure to change the tap filter or using a different filter than the Methven Watercare filter may invalidate your warranty. The Methven filter can filter over 3,000 litres of water in 6 months, making it one of the most energy and cost-efficient filters in the industry.
  • Recycling - When you order a new replacement cartridge, we will send you a freepost label that you can re-attach on the same packaging and send it back to be sustainably recycled. We are the only company in the UK offering this service for instant hot water taps.


Plastic filter outer body and Ion exchange resin


Suitable for high pressure only

Working pressure range

1.5 – 5bar

Recently viewed