How To Put Pressure Up On Boiler. When your pressure gauge shows a number lower than 1 your boilers pressure is low. Keep checking until the boiler pressure gauge reads around 12 bar or at least has returned to the green zone.
To increase the water pressure in your boiler youll need to locate the filling loop often on the underside of most gas boilers. Put too much pressure into your system. At this point your boiler should be.
Topping up boiler pressure When using a conventional filling loop to top up your system you must first ensure that the system is cold and the boiler is turned off.
If your boiler pressure keeps rising into the red its best to arrange a boiler repair. One of the simplest things you can do to reduce the pressure is to drain the excess water from the central heating system. That now allows water to go around and into the boiler pipes. And If you see a number higher than 25 then your pressure is too high.