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Was working in a house today which had a Burnham P205 boiler that had lots of dust on the front panel. Open the panel and the inside was covered with dust that looked like felt. I vacuumed out the boiler, burner tubes and everything else. The boiler is installed about 3' away from the dryer. What could be done to stop this short of moving either one. Is there anything else I should have done to this boiler?