How to repressurise a heating system with an internal filling key
This video shows you how to repressurise your heating system using your Greenstar gas boiler's internal filling key.
How to repressurise a heating system with an external filling hose
This video shows you how to repressurise your heating system with an external filling hose.
How to re-pressurise your system using the new Keyless Filling Link
Learn how to re-pressurise your heating system with a simple lever-operated filling link.
Condensing boiler benefits
Why switching to a condensing boiler can help with energy efficiency.
Reasons to Cleanse Your Boiler Central Heating System
Featuring our new Greenstar System Filter and the importance of keeping your boiler and and central heating system in peak condition.
How to diagnose a problem with an external heat pump
Watch this video to see how to diagnose a problem with an external heat pump