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Click here for Glow Worm OffI have a 30cx glowwarm that is showing F4 as fault.I have no hot water?
fitting thermostat?
My radiators not heating up?
I have moved into a flat am dissabled carnt get heating on unit flashing F1?
Home heating systems?
Which way to turn slotted screw to adjust water pressure up on a glow worm ?