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