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Thank you! Well spotted. I was blindly looking for blue handles. There is another above that one and I had to turn both before anything happened, then turned them back to where they were originally. Thanks so much! :)

Hi my Glow Worm Betacom 28a combi boiler is showing low pressure (0.4 bar). Does anyone have any idea how to raise the pressure? I've looked at similar systems to find a solution but I can't find any that quite match my own. There are no obvious blue valves to top up the pressure and the only...