my condension fills up but dont tranfer to the next part which allows the water to drain away and when one sid is full it cuts the boiler out the fault finding says it is blocked but the side that drains away is empty do anyone know the prop
your condensate pipe could be frozen ANYWHERE along its EXTERNAL LENGTH outside, PART THE PIPES joints and PROVE they are clear this is how i found my problem (a big plug of frozen ice)
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