On a recent change of Gas Engineer my Aga was condemned as there seems to be a plate missing from the outside balanced flue. The engineer is not experienced with Agas and cannot go further with any advice or supply of parts. Can anyone recommend a Gas Aga engineer in the Huntingdon Cambs area or does anyone have a gas Aga who can help identify what is missing and maybe why. The flue is on a GCB model which has the big rectangular flue outlet.
