Grant Rdb Burner Vortex 21E Rdb3514104

Part Number: RDB3514104
Genuine Riello Burner for Optimal Performance

The Grant RDB Burner (RDB3514104) is a genuine Riello-manufactured oil burner specifically designed for use with the Grant Vortex 21E external boiler. Engineered for high efficiency and long-lasting performance, this burner is an exact replacement part approved by Grant, ensuring seamless integration and safe, reliable combustion.

Whether you're replacing a faulty unit or performing a preventative upgrade, this burner guarantees optimal heating output and compliance with modern low-emission standards. It comes pre-configured to suit the Grant Vortex 21E, making installation straightforward for heating engineers and experienced DIY customers alike.

Key Features & Benefits

•  OEM Burner from Riello – Factory-supplied for Grant Vortex oil boilers

•  Pre-set for Grant Vortex 21E External Boiler – No complicated configuration

•  High Efficiency & Low NOx – Eco-friendly and cost-effective operation

•  Compact & Easy to Fit – Ideal for external boiler housings

•  Robust & Reliable – Proven durability in all weather conditions

Compatible With

• Grant Vortex 21E External Oil Boiler

• Suited for domestic heating systems running on kerosene (28 sec oil)

• Need help checking compatibility? Contact our expert team

 When to Replace

• Burner fails to start, lockout faults occur

• Unusual noises, smoke, or odours during operation

• Reduced heating efficiency or rising fuel bills

• Scheduled replacement during major service intervals

Technical Specifications

• Manufacturer: Riello

• Model: RDB Burner

• Part Number: RDB3514104

• Fuel: Kerosene (Class C2, 28 sec)

• Mounting: Grant-compatible flange

• Electrical: Standard 230V connection

• Burner Type: Pressure jet, low-NOx