Delavan 0.85-45-w Oil Burner Nozzle 0.85 Gph 45 Degree Semi Hollow Cone

Product Description

The Delavan 0.85-45-w is a semi hollow cone oil burner nozzle rated at 0.85 gallons per hour with a 45 degree spray angle. It is designed for use in residential and light commercial oil-fired heating systems, including oil furnaces, oil boilers, and oil burners. HVAC technicians and heating contractors rely on this type of nozzle to atomize fuel oil into a fine mist inside the combustion chamber. Proper atomization is critical for clean, efficient combustion and helps reduce soot buildup, smoke, and unburned fuel waste.

The W designation refers to the semi hollow cone spray pattern. This pattern produces a ring-shaped spray with some fill toward the center, making it well suited for a wide range of residential oil burner applications. The 45 degree angle controls the shape and width of the spray cone as it enters the combustion chamber. Matching the correct angle and flow rate to the burner manufacturer specifications is essential for safe and efficient operation.

At 0.85 gallons per hour, this nozzle is a common size used in smaller residential heating units. Replacing a worn or clogged nozzle at the start of each heating season is standard practice in the HVAC and oil heat service industry. A degraded nozzle can cause hard starts, delayed ignition, puffbacks, and increased fuel consumption. This Delavan nozzle provides reliable atomization and consistent spray geometry for dependable heating system performance.

• Semi hollow cone spray pattern for consistent fuel atomization in oil-fired heating systems
• 0.85 GPH flow rate matched to smaller residential oil furnaces and boilers
• 45 degree spray angle for proper combustion chamber coverage

Product Highlights

The Delavan 0.85-45-w oil burner nozzle delivers accurate fuel atomization at 0.85 gallons per hour with a 45 degree semi hollow cone pattern, making it a direct replacement nozzle for residential oil heating service work.

Product Information

Standard Information

• Brand: DELAVAN
• Manufacturer Part Number: 0.85-45-w

Technical Specifications

• Product Type: Oil Burner Nozzle
• Spray Pattern: Semi Hollow Cone
• Flow Rate: 0.85 Gallons per Hour
• Spray Angle: 45 Degrees
• Item Weight: 0.10 pounds per unit