how can l fix my gas control valve?
Please if possible can anyone help?
what causes the sabre he 25 to come on, on its own?
central heating wont turn off?
Central Heating problem?
I recently repaired a leak on a rad valve, ?
Glow-worm 40B system top-up and inhibitor issue?
Glow warm does not ignite?
fault codes f4 and f19 mean on the Glow-worm 30ci?
Clearing a blockage from a heat exchanger?
Glow-Worm Micron 60FF software error?
Is it normal that the flame is burning all the time?