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