While you wait for answers, we may have found some information which could help you.
Success
Message
Clearing a blockage from a heat exchanger?
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?
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?
F5 fault ?
Glow.worm ultracom 38 cxi showing f25 faultcode?
Glow-worm 40B system top-up and inhibitor issue?
central heating wont turn off?