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vailiant glow worm turbo max 828e?

what does f22 mean on the boiler please

nicola tweddell
October 2009
Heating, Home Heating SystemsGlow Worm Max
Thats correct, set it to 1.5 bar...but the early boiler suffered from PCB problems that gave the same code.

John
October 2009
low pressure i think from memory,

ste
October 2009

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