Description
Grant Vortex Blue External Combi Oil Boiler Erp another sophisticated and stylish design from the house of Grant will make your home the convenient space. With 2 years guarantee from manufacurer. It is highly efficient with unique features, making this range user-friendly and efficacious for use. The open vent boiler models have many features like a factory-fitted multi-directional flue and high-quality external powder coated casing. Internal, external and combi models are available. Installation of the boiler is very easy.
Key Features:
- Best Vortex condensing heat exchanger
- Output 21 kW
- Award winning Vortex condensing heat exchanger
- Market-leading Riello Blue Flame burner
- 24ltr expansion vessel
- Neon diagnostic indicators
- Factory-fitted internal condensate trap
- 10 years guarantee when installed by a G-One accredited installer
More Information
SKU | |
Brand | MaxtherM |
Manufacturer ID | |
Height | |
Width | |
Length | |
Colour | White |
Size (mm) | 500mm x 500mm |
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Flush Type | |
Quick Release Seat | |
Soft Close Seat | |
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Pipe Centres | |
Wall To Pipe Centres | |
Heat Output BTUs (Delta T60) | |
Heat Output Watts (Delta T60) | |
Heat Output Watts (Delta T50) | |
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erp rating | |
Radiator Panels / Columns |

Grant Vortex Blue External Combi Oil Boiler Only Erp