An oil-burner nozzle made by Delavan, the nozzle is a 4.00 Gallon per hour with a 45-degree angle and b spray pattern. Made in the United States. ( See manufacture information here )
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- Size: 4.00 GPH
- Angle: 45 °
- Spray Pattern: B (HOLLOW-CONE)
- Spray Pattern Details: SOLID-CONE Type B-nozzles produce a spray that distributes droplets fairly uniformly throughout the complete pattern. The spray pattern becomes progressively more hollow at higher flow rates, particularly above 8.00 GPH. Provides smooth ignition and efficient combustion, particularly in larger burners.