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