90A Red Hollow Cone Burner Nozzle 1.50 GPH – OEM Replacement Part
Part Number: 1373
Category: Pressure Washer Parts → Burner Components → Burner Nozzles
Type: Delavan 90A Hollow Cone Oil Burner Nozzle
The Delavan 90A Red Hollow Cone Burner Nozzle 1.50 GPH is a premium OEM replacement oil burner nozzle engineered to deliver reliable ignition, precise fuel atomization, and efficient combustion performance in hot water pressure washers, boilers, furnaces, and industrial oil-fired heating systems. Featuring a 90-degree hollow cone spray pattern and 1.50 gallon per hour (GPH) flow rate, this nozzle provides excellent fuel distribution for burners designed to operate with hollow cone air patterns.
Key Features & Benefits
- Genuine Delavan OEM burner nozzle
- 1.50 GPH fuel flow rate
- 90-degree spray angle
- Type A hollow cone spray pattern
- Designed for hollow cone air pattern burners
- Excellent ignition characteristics
- Low-noise combustion performance
- Efficient fuel atomization
- Reliable burner operation
- Precision-machined internal components
- Reduced distributor size for improved reliability
- Shorter tangential slots designed to help prevent plugging
- Aerodynamic body configuration
- Rolled threads to reduce chips and burrs
- Integrated sintered filter for contamination protection
- Corrosion-resistant construction
- Individually tested and cleaned before shipment
- ISO 9001 certified manufacturing
Technical Specifications
Part Number: 1373
Manufacturer: Delavan
Series: Type A Hollow Cone
Size: 90A 1.50
Flow Rate: 1.50 GPH
Spray Angle: 90°
Spray Pattern: Hollow Cone
Color Code: Red
Thread Size: 9/16"-24
Fuel Type: Fuel Oil
OEM Replacement: Yes
Certification: ISO 9001 Certified
Filtration: Sintered Filter
Type A Hollow Cone Spray Pattern Advantages
The Delavan Type A hollow cone design provides:
- Droplet concentration along the outer edge of the spray cone
- Excellent ignition performance
- Smooth burner startup
- Low-noise combustion characteristics
- Efficient fuel-air mixing
- Stable flame retention
- Reliable burner operation
- Consistent heat output
This spray pattern is ideal for burners specifically designed with hollow cone air patterns and is commonly used in commercial and industrial burner applications.
Advanced Delavan Design Features
- Precise spray angles and optimal spray uniformity through advanced machining processes
- Reduced distributor size for improved reliability
- Shorter tangential slots engineered to help prevent plugging
- Aerodynamic body configuration for consistent fuel flow
- Rolled threads that reduce chips and burrs
- Sintered filter for maximum contamination protection
- Individually tested and cleaned to remove residual test oil before shipment
Common Applications
- Hot water pressure washer burners
- Oil-fired boilers
- Commercial heating systems
- Industrial burner assemblies
- Furnaces and process heating equipment
- Agricultural heating systems
- Mobile wash systems
- Asphalt maintenance equipment
- Burner service and maintenance applications
Performance Benefits
- Fast and reliable ignition
- Low-noise combustion operation
- Consistent flame quality
- Efficient fuel combustion
- Stable burner performance
- Improved heating efficiency
- Reduced maintenance requirements
- Long service life
Signs a Burner Nozzle Should Be Replaced
Replace the nozzle if you notice:
- Delayed ignition or hard starts
- Excessive smoke or soot production
- Poor flame quality
- Reduced heating performance
- Increased fuel consumption
- Carbon buildup
- Restricted fuel flow
- Inconsistent burner operation
Installation Notes
- Disconnect electrical power and fuel supply before servicing.
- Carefully remove the existing nozzle.
- Inspect fuel lines and filters for contamination.
- Install the replacement nozzle according to manufacturer specifications.
- Verify the correct flow rate, spray angle, and spray pattern.
- Test burner operation after installation.
- Adjust combustion settings if required.
Important: Always use the nozzle size, spray angle, and spray pattern specified by the burner manufacturer to maintain safe operation, proper combustion efficiency, and optimal equipment performance.
Maintenance Recommendations
- Replace burner nozzles during routine maintenance intervals.
- Maintain clean fuel filtration systems.
- Use clean, water-free fuel whenever possible.
- Monitor burner flame quality regularly.
- Verify fuel pressure settings during service.
- Replace worn or contaminated nozzles promptly.
