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