Worcester Boiler Pressure Too Low: How To Increase

Learn how to repressurise your Worcester combi boiler with a key and save a few quid with this no nonsense video guide.

Why does your boiler keep losing pressure? https://housewarm.co.uk/boiler-keeps-...

Worcester boiler pressure - Full guide: https://housewarm.co.uk/worcester-boi...

Using the plastic key to repressurise your Worcester boiler is annoying and can be very difficult, even for a heating engineer, but it has to be done on certain Worcester boilers.

Close the tap fully when you've reached 1 to 1.5 bar on the pressure gauge.


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If your boiler keeps losing pressure, you have a problem with your boiler or heating system that needs to be fixed. Most commonly it's because of a leak.


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