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Last year I installed a CG-50 gas Beckett power burner on a Weil McLain 1388 cast iron sectional boiler that was 7 years old. The past burners tube was a Gordon Pyatt and was disintegrated at the end. The boiler was cleaned and the new boiler dialed in per specs. This year went to service boiler and there is a large buildup of rust colored powder in the base of the sections and when in high fire it is like a fireworks show burning this stuff off. I pulled the burner and brushed and blew out the pins and vacuumed all debris. The burner was very clean. Still sparks on high fire and has high CO reading. The atmosphere serves animals and there is a lot of hay dust. Could that be it. They just cleaned out boiler area and made a pretty good cloud of the stuff. The new burner picks up combustion air 6 inches off floor where the Gordon was up much higher. Appreciate any insight.