Grant Vortex Utility Condensing Oil Boiler 15-26kW
calcPageSize())"
/>
Grant Vortex Utility Condensing Oil Boiler 15-26kW
(Approx. 3-5 working days)


Do you have a MacBlair trade account?
The Grant Vortex Utility 15-26kW is a free standing indoor oil fired condensing boiler designed for installation in utility rooms or similar spaces. It operates on Class C2 kerosene and incorporates a stainless steel heat exchanger with a turbulator baffle system to maximise heat transfer and efficiency.
This oil boiler provides central heating output between 15kW and 26kW, making it suitable for medium sized properties. It features a Riello RDB burner and is compatible with multiple flueing options, including rear, side, and top outlets. The boiler is fully automatic once connected to a programmer and offers straightforward front access for servicing.
The unit complies with OFTEC standards and relevant EC directives. It is biofuel ready for blends up to 30% (B30K) and includes a factory fitted internal condensate trap. Annual servicing is recommended to maintain performance and efficiency.
- Output range: 15kW to 26kW for flexible heating demand
- Stainless steel condensing heat exchanger for high efficiency
- Riello RDB2.2 burner with plug-and-socket connection
- Dimensions: 860mm (H) x 470mm (W) x 603mm (D) for compact installation
- Compatible with Class C2 kerosene and B30K biofuel blends
| Brand | Grant |
|---|---|
| Width | 470 mm |
| Applicable Standards | OFTEC Approved |
| Connection Size | 22 mm |
| Depth | 603 mm |
| Flue Included | No |
| Fuel Type | Kerosene |
| Heating Energy Rating | A |
| Heat Output Range | 15kW – 26kW |
| Height | 860 mm |
| Central Heating Output | 26 kW |
| Model Name / No | VORTUT15-26 |
| Weight | 130 kg |
| Colour | White |
| Mount Type | Free Standing |
| Residential Warranty | 1 year parts and labour; 5 year heat exchanger (T&Cs apply) |
| Sound Power Level (dB A): | 51 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 Vortex Utility 15-26kW is a free standing indoor oil fired condensing boiler designed for installation in utility rooms or similar spaces. It operates on Class C2 kerosene and incorporates a stainless steel heat exchanger with a turbulator baffle system to maximise heat transfer and efficiency.
This oil boiler provides central heating output between 15kW and 26kW, making it suitable for medium sized properties. It features a Riello RDB burner and is compatible with multiple flueing options, including rear, side, and top outlets. The boiler is fully automatic once connected to a programmer and offers straightforward front access for servicing.
The unit complies with OFTEC standards and relevant EC directives. It is biofuel ready for blends up to 30% (B30K) and includes a factory fitted internal condensate trap. Annual servicing is recommended to maintain performance and efficiency.
- Output range: 15kW to 26kW for flexible heating demand
- Stainless steel condensing heat exchanger for high efficiency
- Riello RDB2.2 burner with plug-and-socket connection
- Dimensions: 860mm (H) x 470mm (W) x 603mm (D) for compact installation
- Compatible with Class C2 kerosene and B30K biofuel blends
| Brand | Grant |
|---|---|
| Width | 470 mm |
| Applicable Standards | OFTEC Approved |
| Connection Size | 22 mm |
| Depth | 603 mm |
| Flue Included | No |
| Fuel Type | Kerosene |
| Heating Energy Rating | A |
| Heat Output Range | 15kW – 26kW |
| Height | 860 mm |
| Central Heating Output | 26 kW |
| Model Name / No | VORTUT15-26 |
| Weight | 130 kg |
| Colour | White |
| Mount Type | Free Standing |
| Residential Warranty | 1 year parts and labour; 5 year heat exchanger (T&Cs apply) |
| Sound Power Level (dB A): | 51 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.


