Grant Euroflame Outdoor Condensing Oil Boiler 15–26kW
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Grant Euroflame Outdoor Condensing Oil Boiler 15–26kW
(Approx. 3-5 working days)


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The Grant Euroflame Outdoor Condensing Oil Boiler is a free standing external unit designed for heating systems where internal space is limited. It operates on kerosene and uses condensing technology to recover latent heat from flue gases, improving overall efficiency and reducing fuel consumption.
This oil boiler offers an adjustable output range between 15kW and 26kW, making it suitable for medium-sized heating loads. It incorporates a stainless steel heat exchanger and a Riello RDB burner for clean combustion. The boiler achieves an A rating on the SEDBUK and HARP databases and complies with OFTEC and EC directives for performance and emissions.
The unit is designed for connection to a multi-directional flue system, with options for side or rear exit when using the appropriate Grant flue kit. Frost protection is included for outdoor installation, and flexible pipe entry points allow easier integration. Its design enables straightforward servicing with accessible components.
- Output range adjustable from 15kW to 26kW
- Stainless steel heat exchanger for improved efficiency
- Riello RDB2.2 burner ensures clean combustion
- SEAI HARP efficiency rating of 92.4%
- Fully approved to OFTEC and EC standards
| Brand | Grant |
|---|---|
| Width | 800 mm |
| Depth | 505 mm |
| Flue Included | No |
| Fuel Type | Class C2 Kerosene (B30K compatible) |
| Heating Energy Rating | A |
| Heat Output Range | 15–26kW |
| Height | 908 mm |
| Central Heating Output | 26 kW |
| Min Heat Output | 15 |
| Model Name / No | EFCON5090MOD |
| Weight | 113 kg |
| Mount Type | Free Standing |
| Residential Warranty | 1 year boiler, 5 year exchanger |
| Sound Power Level (dB A): | 60 dB |
- 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 Grant Euroflame Outdoor Condensing Oil Boiler is a free standing external unit designed for heating systems where internal space is limited. It operates on kerosene and uses condensing technology to recover latent heat from flue gases, improving overall efficiency and reducing fuel consumption.
This oil boiler offers an adjustable output range between 15kW and 26kW, making it suitable for medium-sized heating loads. It incorporates a stainless steel heat exchanger and a Riello RDB burner for clean combustion. The boiler achieves an A rating on the SEDBUK and HARP databases and complies with OFTEC and EC directives for performance and emissions.
The unit is designed for connection to a multi-directional flue system, with options for side or rear exit when using the appropriate Grant flue kit. Frost protection is included for outdoor installation, and flexible pipe entry points allow easier integration. Its design enables straightforward servicing with accessible components.
- Output range adjustable from 15kW to 26kW
- Stainless steel heat exchanger for improved efficiency
- Riello RDB2.2 burner ensures clean combustion
- SEAI HARP efficiency rating of 92.4%
- Fully approved to OFTEC and EC standards
| Brand | Grant |
|---|---|
| Width | 800 mm |
| Depth | 505 mm |
| Flue Included | No |
| Fuel Type | Class C2 Kerosene (B30K compatible) |
| Heating Energy Rating | A |
| Heat Output Range | 15–26kW |
| Height | 908 mm |
| Central Heating Output | 26 kW |
| Min Heat Output | 15 |
| Model Name / No | EFCON5090MOD |
| Weight | 113 kg |
| Mount Type | Free Standing |
| Residential Warranty | 1 year boiler, 5 year exchanger |
| Sound Power Level (dB A): | 60 dB |
- 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.


