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