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Which way to turn slotted screw to adjust water pressure up on a glow worm ?
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?
My central heating is not working?
Central heating not working?
GS 24i junior boiler timer broken?
My radiators not heating up?
BMU error code?
fitting thermostat?
How to fix glow worm 18 hxi ?
Home heating systems?
Glow worm flexicom 30cx auto air vent - how do I replace?
I have moved into a flat am dissabled carnt get heating on unit flashing F1?