For complete combustion and higher efficiency, the oil spray and the air flow off the blast tube both turn counter-clockwise.

Question

Quizplus · Accepted Answer

The direction of the oil spray and air flow off the blast tube is not always the same for all burners, and may vary depending on the design and manufacturer. However, the direction of rotation is not a key factor for complete combustion and higher efficiency, but rather the correct fuel-to-air ratio and proper mixing of the two streams.

For Complete Combustion and Higher Efficiency, the Oil Spray and the Air