Yeah all greased up. Spoke to Main technical helpline who are saying as the boiler has been sitting idle for a long time the bypass pipe at the back may be blocked.
So that is next step they are saying to look into that.
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Discuss Main Combi 24 HE Flame Failure in the Gas Engineers Forum area at Plumbers Forums
So that is next step they are saying to look into that.
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Also check the little 4-6mm pigs tail tube
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