Vortex Eco: External

Vortex Eco: External

a Heating

5 Year guarantee*

The Grant Vortex Eco External boilers are competitively priced and provide a solution for when space is at a premium indoors.

Grant Vortex Eco External boilers are highly efficient and with a durable powder coated casing, they are designed and built to be sited outside of the home. Featuring the same components as the Eco Utility models, the Eco External range delivers efficient performance while also helping to free up space inside the home.


Features & benefits

  • *5 year guarantee when installed by a G1 Installer (Terms and Conditions apply)
  • Available in outputs of 15-21kW, 21-26kW and 26-35kW, all of which are also available as sealed system models
  • Excellent space heating efficiencies of 91.7 – 92.7%
  • High quality, external powder coated paint finish
  • Built in frost protection, mains isolating switch and test switch
  • Quiet operation
  • Factory fitted multi-directional flue supplied to save installation time
  • This range is biofuel compatible (depending on the type of biofuel and % blend)
  • Heating engineers should visit the Professionals Vortex Eco External range webpage to read more about these models

Awards & Accreditations


Case Studies

Afinia aluminum radiators have low energy consumption which can help reduce bills

Afinia radiators and oil boilers

When a new oil boiler is installed, a new radiator system can also sometimes be considered to help homeowners achieve greater overall efficiencies with their heating system. Grant Afinia aluminium radiators are superb conductors of heat and they are ideal for installing alongside an oil-fired boiler. With their stylish design and efficient, effective operation, Afinia radiators can work with a Grant boiler to achieve complete comfort and warmth throughout the home.

Discover the Afinia aluminium radiator range today.


Product code
Set Output
Max Output
NOx Emissions
Energy Rating
Load Profile
Energy Label
Product Fiche
VTXOMECO15-21 Grant Vortex Eco External 15-21 21kW 21kW 113kg 908mm 505mm 800mm 92.7 Class 2 a Heating - View View
VTXOMECO21-26 Grant Vortex Eco External 21-26 23.5kW 26kW 113kg 908mm 505mm 800mm 91.7 Class 2 a Heating - View View
VTXOMECO26/35 Grant Vortex Eco External 26-35 31kW 35kW 142kg 908mm 505mm 800mm 92.4 Class 2 a Heating - View View
VTXSOMECO15/21 Grant Vortex Eco External System 15-21 21kW 21kW 136kg 908mm 505mm 800mm 92.7 Class 2 a Heating - View View
VTXSOMECO21/26 Grant Vortex Eco External System 21-26 23.5kW 26kW 136kg 908mm 505mm 800mm 91.7 Class 2 a Heating - View View
VTXSOMECO26/35 Grant Vortex Eco External System 26-35 31kW 35kW 152kg 908mm 505mm 800mm 92.4 Class 2 a Heating - View View


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