Vortex Blue: Internal Combi

10 Year guarantee*

Vortex Blue: Internal Combi

Featuring three white cased models, the Grant VortexBlue Internal Combi range is designed to meet a home’s heating and hot water requirements effectively.

The Grant VortexBlue Internal Combi boilers incorporate the ultra-low NOx blue flame burner technology with Grant’s award-winning Vortex stainless steel heat exchanger. Their sleek white casing makes the Combi models ideal for use in utility rooms and with their excellent hot water performances, the VortexBlue Internal Combi boiler range can help homeowners low their fuel bills and emissions.

a Heating b Water

Features & benefits

  • *10 year guarantee when installed by a G1 Installer (Terms and Conditions apply)
  • Very efficient operation achieving space heating efficiencies between 90.8 – 94.5%
  • Each VortexBlue Internal Combi features large heat exchangers which, due to their low water content and larger surface area, vastly increases the hot water performance
  • Features market leading Riello Blue Flame burner resulting in cleaner combustion process and extremely low NOx emissions
  • Supplied with a 24ltr expansion vessel
  • Neon diagnostic indicators for user-friendly operation
  • Compatible with Grant EZ-Fit flue systems
  • Heating engineers should visit the Professionals VortexBlue Internal Combi range webpage to read more about these models
Peace of mind

Peace of mind

All Grant VortexBlue oil-fired boilers are available with a 10 year guarantee when they are installed by a G1 Installer (subject to Terms and Conditions). When homeowners have a VortexBlue boiler fitted by a member of the G1 Installer Scheme, they can therefore benefit from 10 years of peace of mind with their new home heating system.

To find a G1 Installer in your local area, follow the link below to use our Find an Engineer search facility.


Product code
Set Output
Max Output
NOx Emissions
Energy Rating
Load Profile
Energy Label
Product Fiche
VTXBFCOMBI21 VortexBlue Combi 21 21kW 21kW 160kg 860mm 614mm 609mm 90.81 Class 3 a Heating b Water XL View View
VTXBFCOMBI26 Grant VortexBlue Combi 26 26kW 26kW 177kg 860mm 614mm 609mm 91.71 Class 3 a Heating b Water XL View View


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