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Posted by tk03 on March 27, 2009 at 17:56:38:
In Reply to: Beckett oil burner rough on shut down posted by oilboiler on March 24, 2009 at 21:45:03:
That is a good diagnosis. The fuel is not shutting off quick enough. What causes the noise is the flame running out of air before it runs out of fuel. In other wards lack of air as the motor slows down.