Monarch Nozzle 0.40 X 80R

Monarch Nozzle 0.40 X 80R

The Monarch 0.40 x 80R Oil Burner Nozzle is a precision-engineered component designed for small domestic oil-fired heating systems that demand clean, efficient combustion. Delivering 0.40 US gallons per hour at 100 psi, it produces an 80° spray angle with a Type R (solid cone) spray pattern. This configuration provides consistent atomisation and even fuel distribution, ensuring stable flame formation, efficient burning, and reduced carbon deposits.

Key Features

• Genuine Monarch 0.40 x 80R oil burner nozzle

• Flow rate: 0.40 US gal/h @ 100 psi

• Spray angle: 80°

• Spray pattern: Type R (Solid Cone)

• Provides precise fuel atomisation for efficient combustion

• Hardened stainless steel construction for long service life

• Reduces smoke and soot formation

• Ensures reliable ignition and stable burner operation

• Compatible with EOGB, Riello, Bentone, and Danfoss oil burners

Compatibility

• Ideal for domestic oil boilers and small burners

• Designed for burners requiring a 45°–80° solid cone spray

• Works with kerosene and gas oil

When to Replace

• During annual service or maintenance

• If the burner experiences poor ignition, smoke, or carbon buildup

• After fuel contamination or nozzle blockage

Technical Specifications

• Manufacturer: Monarch

• Flow Rate: 0.40 US gal/h @ 100 psi

• Spray Angle: 80°

• Spray Pattern: R (Solid Cone)

• Fuel Compatibility: Kerosene, gas oil

• Material: Hardened stainless steel

• Application: Domestic oil-fired heating systems