Vortex Pro: External

Vortex Pro: External

a Heating

10 Year guarantee*

The Vortex Pro External boilers incorporate all the high quality components featured in the Pro Internal Range within a powder coated external casing.

Exceptionally efficient, the Vortex Pro External boilers are some of the highest efficiency outdoor oil-fired boilers. All the boilers within this range have a high quality powder coated external casing and, when heating outputs of up to 70kW are required and the preferred location is outside, the Vortex Pro External range can deliver the solution.


Features & benefits

  • *10 year guarantee when installed by a G1 Installer (Terms and Conditions apply)
  • Available in outputs of between 15kW up to 70kW
  • Incredible space heating efficiencies
  • Sealed system kits available for the 15-26kW and 26-46kW models
  • Factory fitted multi-directional flue saves time with installation
  • High quality, external powder coated casing and built-in frost protection designed for all weather conditions
  • Quiet operation
  • Features Grant’s unique Vortex stainless steel heat exchanger
  • This range is biofuel compatible (depending on the type of biofuel and % blend)
  • Heating engineers should visit the Professionals Vortex Pro External range webpage to read more about these models

Awards & Accreditations


Case Studies

Why upgrade your oil boiler?

Why upgrade your oil boiler?

Installing a high efficiency oil boiler offers homeowners multiple benefits. The appliances which work most efficiently and effectively use less fuel which in turn can reduce heating bills for households. Not only does the reduced fuel usage result in lower heating and hot water running costs, but it is also more sustainable. The lower fuel demand enables householders to stretch their oil further and to enjoy the advantages that this delivers.

If you are looking to upgrade your heating system, discover the solutions available to you from Grant with our handy online product selector tool.


Product code
Set Output
Max Output
NOx Emissions
Energy Rating
Load Profile
Energy Label
Product Fiche
VTXOM15/26 Vortex Pro External 15-26 21kW 26kW 143kg 908mm 505mm 800mm 91.71 Class 2 a Heating - View View
VTXOM26/46 Vortex Pro External 26-46 41kW 46kW 162kg 910mm 505mm 796mm 90.00 Class 2 a Heating - View View
VTXOM46/70 Vortex Pro External 46-70 64kW 70kW 288kg 1239mm 586mm 947mm 91.61 Class 3 a Heating - View View


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