Riello Nozzle Holder 3008642 Rdb 3514204

Grant 90/140 RBS111 Worcester 87161093310

The Riello Nozzle Holder 3008642 is a genuine OEM replacement component engineered for use with Riello RDB oil burners, including units fitted with the 3514204 assembly. This precision-machined part secures and aligns the burner nozzle, ensuring consistent atomisation of fuel for efficient, stable combustion. Manufactured from high-grade brass and stainless steel, the nozzle holder maintains durability under high temperatures and pressure, delivering dependable performance and long service life in domestic and light commercial systems.

Key Features

• Genuine Riello nozzle holder – Part No. 3008642

• Designed for: RDB burner assemblies, including 3514204

• Ensures accurate fuel delivery and optimal atomisation

• OEM-quality machining for perfect nozzle alignment

• Brass and stainless-steel construction for heat and corrosion resistance

• Reduces carbon buildup and uneven flame formation

• Provides secure sealing and consistent fuel flow

• Direct replacement part – no modification required

Compatibility

• Fits Riello RDB burner models (RDB1, RDB2, and related versions)

• Commonly used in boilers by Grant, Worcester, Firebird, Warmflow, and Trianco

• Compatible with standard burner nozzles (Danfoss, Delavan, Monarch)

When to Replace

• If the existing holder shows signs of fuel leakage or wear

• During burner rebuild or full service

• When the spray pattern or ignition stability is compromised

Technical Specifications

• Manufacturer: Riello

• Part Number: 3008642

• Assembly Reference: 3514204

• Material: Brass and stainless steel

• Function: Holds and aligns burner nozzle for precise atomisation

• Application: Domestic and light commercial oil-fired burners