How to repressurise a boiler 

It is quite simple to top up the water pressure in your boiler. You should be able to do it yourself without having to call a heating engineer.


Please watch the video below before attempting to top up your boiler water pressure. If you prefer not to do this yourself, or can’t manage, your Gas Safe registered engineer or Baxi Customer Support will be pleased to help.

How to fix high boiler pressure

The water pressure inside your boiler should be between 1 and 2 bar.