How To Put Pressure Up On Boiler. And If you see a number higher than 25 then your pressure is too high. Keep checking until the boiler pressure gauge reads around 12 bar or at least has returned to the green zone.
Once the pressure has increased to over one bar release the lever. What you are looking for is something in the middle and that is 15 bars. A keyless filling loop is easily identifiable as youll see a blue lever at the bottom of your boiler.
Keep checking until the boiler pressure gauge reads around 12 bar or at least has returned to the green zone.
When your pressure gauge shows a number lower than 1 your boilers pressure is low. Re-pressurising your boiler means allowing more water to enter the system from the water mains supply via the filling loop. Be careful because if the pressure exceeds 3 bars the safety valve will remain open and you risk a small floodIf this happens turn off the water supply to the boiler by closing the isolation valve. That now allows water to go around and into the boiler pipes.
