1. Check the pressure gauge


If the dial is showing lower than 1 then it is too low and this is why you’re heating system has stopped working. You need to re-pressurise the system.

  1. Turn off your system


Switch your heating off just to be safe.

  1. Connect the filling loop


Check the pipework under your boiler. There will be two valves and a flexible silver pipe – or filling loop. Make sure each end of the filling loop is connected to either valve.

  1. Release the valve to add cold water to your system


You are now ready to increase the pressure by adding water to your system. Slowly release the valve using the handle (or a screwdriver or filling key if required) and keep an eye on your pressure gauge.

  1. Switch off the valves once you reach between 1-1.5


Once you’ve reached the required pressure, quickly switch off the valve.

  1. Turn on your heating


Check your heating is now working as it should do again.

Here is a video to help you along your way: