I have a Glowworm ultimate 70FF 70000btu boiler about 6yrs old. It fires up ok initially but keeps cutting out and re-firing about every 3 seconds and continues to do this until I shut it down. The fan appears to be running ok and flue is clear. Removing the front cover allows it to run continuously most times. Advice would be gratefully received. I hate not to be able to fix something myself!
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GLOWWORM BOILER FIRING PROBLEMS
- Thread starter lennyT
- Start date
Sounds like a faulty air pressure switch.
Thanks for help but now Sorted!! It was my Medium Pressure supply pressure governor valve. It had failed, putting 2bar pressure onto my system. Only found it when I turned the Gas hob on and it blew itself out. Bit of a game trying to get it repaired but supplier fixed it eventually.
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