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Replacing LP112 Programmer?
boiler internal fuse keep blowing out!?
why is radiators hot when only water is on..HELP?
how can I fix my Micron 80FF Glow Worm Boiler?
how can I fix my old glow worm central heating boiler model 65-80?
loud bang when boiler fires up, fault code F1 if it fails to fire?