- Extends System and Combi warranty from 5 to 7 years†
- Easy to install, fast and easy to clean
- Comes with 10 year warranty
- High capacity and compact design
- Improves boiler efficiency
- Reduces cost of running boiler
† 7 year warranty when installed with a Keston filter and registered within 30 days of installation. 5 year parts & labour warranty as standard. Terms and conditions apply; click here to read them.