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Posted by Arnold on January 03, 2010 at 18:00:51:
In Reply to: Re: New oil boiler - Dunkirk vs. Buderus vs. Burnham posted by Steamhead on December 24, 2009 at 11:14:01:
: That Dunkirk is a vertical-flue type with pins in the flue passages that absorb the heat. This type is rather difficult to clean out properly, so often efficiency is lost over time.:
Am going with the Buderus