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central heating wont turn off?
Glow.worm ultracom 38 cxi showing f25 faultcode?
sabre 24?
Glow-worm 40B system top-up and inhibitor issue?
My Glow-worm Flexicom 30SX looses pressure 0.0?
Clearing a blockage from a heat exchanger?
Is it normal that the flame is burning all the time?
what dose fault f4 mean?
what causes the sabre he 25 to come on, on its own?
how can l fix my gas control valve?
F5 fault ?
I recently repaired a leak on a rad valve, ?