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Grant Vortex Indoor Combi

5 Year guarantee*

Grant Vortex Indoor Combi

This high efficiency range of condensing indoor combi oil boilers is designed for cost effective installation and instant hot water production.

a Heating

Features & benefits

As with all oil-fired appliances, Grant Condensing Combi Boilers require commissioning at the time of Installation. This simple process ensures that the boiler is working at peak efficiency which, in turn, will result in lower running costs and long term reliability. Annual maintenance is also made easy by Grant’s cleverly designed front service access to both burner and all the internal serviceable parts. Installation must comply with the current Building Regulations. Comprehensive technical information can be found in the installation manual.

  • High efficiency SEAI HARP ‘A’ Rating
  • Which? Best Buy Boiler 2018
  • Suitable for balanced or conventional flue application
  • Fully approved to OFTEC Standard and EC directives
  • *One year manufacturer's warranty with five year guarantee on boiler heat exchanger (T&Cs Apply)
  • Features a Riello RDB Burner
  • Unique drop-down control panel for ease of servicing
  • Fully valved flow, return and cold feed, meaning the appliance can be completely isolated from the system
  • High quality nickel plated internal pipework
  • 24 litre expansion vessel
Grant announces steamlining of oil boiler ranges

Grant announces steamlining of oil boiler ranges

In August 2022, the Grant Vortex and Euroflame oil fired boiler ranges will be streamlined, with many existing models rationalised to simplify the selection and ordering products and making the process more straightforward overall.

Read more here


Product code
Energy Label
Product Fiche
Set Output
Max Output
NOx Emissions
Energy Rating
Load Profile
VORTCOMBI26 Grant Vortex Combi 26 View - 26kW 26kW 177kg 860mm 590mm 605mm 92.2 Compliant a Heating b Water -
VORTCOMBI36 Grant Vortex Combi 36 View - 36kW 36kW 200kg 900mm 615mm 605mm 94.2 Compliant a Heating b Water -



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