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and i got home and its on 1.3 bar. Checking for air by bleeding all rads and none. Checking before putting the kids to bed and its hit 3.1 bar and flashing with the heating on. Let some water out down to 1.5, Going to keep an eye on it. Does anyone know if theres some sort of mechanism that will...

Hi All, any tips or pointers gratefully received : Woke up to no hot water yesterday, Vaillant Ecotec with F22 problem, showing 0.4 bar. I knew about re-pressurising the boiler via the two valves at the bottom, but they did not seem to work, when I've used them previously (rarely once or...