Riello RDB2.2 Oil Burner 21–26kW
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Riello RDB2.2 Oil Burner 21–26kW
(Approx. 3-5 working days)


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The Riello RDB2.2 is a single stage light oil burner designed for use with domestic and light commercial boilers. It operates within an output range of 21–26kW (approximately 70,000–90,000 BTU), making it suitable for a wide variety of heating systems.
This oil burner is compatible with kerosene, low sulphur kerosene, and ultra low sulphur diesel oil (ULSD). It features a geared pump for consistent fuel delivery and supports one pipe or two pipe systems. The unit is engineered for quiet operation and compact dimensions, allowing easy installation in restricted spaces.
The RDB2.2 oil burner conforms to EN 267 standards and European directives for EMC, Low Voltage, Machinery, and Boiler Efficiency. It includes an ignition transformer, control box, and adjustable air damper for precise combustion settings. All burners are factory tested before dispatch to ensure safe and reliable performance.
- Output range: 21–26kW for light oil and kerosene systems
- Geared pump suitable for kerosene and ULSD fuels
- Compact design for installation in limited spaces
- EN 267 compliant and meets EU safety directives
- Adjustable air damper for accurate combustion control
| Brand | Grant |
|---|---|
| Width | 286 mm |
| Depth | 202 mm |
| Height | 230 mm |
| Model Name / No | RDB2.2-BX-E21/ |
| Weight | 8.7 kg |
| Power Voltage | 230 V |
| IP Rating | IP40 |
| Max Fluid Temperature | 40 °C |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.
The Riello RDB2.2 is a single stage light oil burner designed for use with domestic and light commercial boilers. It operates within an output range of 21–26kW (approximately 70,000–90,000 BTU), making it suitable for a wide variety of heating systems.
This oil burner is compatible with kerosene, low sulphur kerosene, and ultra low sulphur diesel oil (ULSD). It features a geared pump for consistent fuel delivery and supports one pipe or two pipe systems. The unit is engineered for quiet operation and compact dimensions, allowing easy installation in restricted spaces.
The RDB2.2 oil burner conforms to EN 267 standards and European directives for EMC, Low Voltage, Machinery, and Boiler Efficiency. It includes an ignition transformer, control box, and adjustable air damper for precise combustion settings. All burners are factory tested before dispatch to ensure safe and reliable performance.
- Output range: 21–26kW for light oil and kerosene systems
- Geared pump suitable for kerosene and ULSD fuels
- Compact design for installation in limited spaces
- EN 267 compliant and meets EU safety directives
- Adjustable air damper for accurate combustion control
| Brand | Grant |
|---|---|
| Width | 286 mm |
| Depth | 202 mm |
| Height | 230 mm |
| Model Name / No | RDB2.2-BX-E21/ |
| Weight | 8.7 kg |
| Power Voltage | 230 V |
| IP Rating | IP40 |
| Max Fluid Temperature | 40 °C |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.







