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