Products

Oil Boilers

Consisting of HVO compatible floor standing models as well as wall hung boiler options, and with outputs ranging from 15kW up to 70kW, the Vortex oil-fired condensing boilers provide installers with choice when it comes to installation.

View Products

Grant’s Vortex oil-fired boiler range consists of internal, external, boiler house, combi and wall hung models including heat only, system, and combination boilers with thirty-four models available across the range.

Vortex Pro: Internal
10
A

Vortex Pro: Internal

  • 15kW to 70kW outputs available
  • Sealed system models available
  • Straightforward to install and service
View models
Vortex Pro: External
10
A

Vortex Pro: External

  • 15kW to 70kW outputs available
  • Factory fitted frost stat, condensate trap and multi-directional flue
  • Sealed system kits available
View models
Grant Vortex Pro oil boiler fitted in kitchen
10
A

Vortex Pro: Internal Combi

  • 21kW, 26kW & 36kW outputs available
  • 24ltr expansion vessel supplied as standard
  • Slimline Combi XS available which is 515mm wide
View models
Vortex Pro: External Combi
10
A

Vortex Pro: External Combi

  • 21kW, 26kW & 36kW outputs available
  • Space heating efficiencies of up to 94.5%
  • 24ltr expansion vessel and factory fitted multi-directional flue supplied as standard
View models
Vortex Boiler House
5
A

Vortex Boiler House

  • 15kW up to 70kW outputs available
  • Distinctive red, powder coated casing ideal for garage, cellar and plant room installations
  • Flued the same way as utility models
View models
Vortex Eco: Internal Wall Hung
5
A

Vortex Eco: Internal Wall Hung

  • 16kW up to 21kW outputs available
  • Open-vented system and sealed-system models
  • Supplied pre-plumbed
View models
Vortex Eco: External Wall Hung
5
A

Vortex Eco: External Wall Hung

  • 16kW up to 21kW outputs available
  • Open-vented system and sealed-system models
  • Supplied pre-plumbed and with factory fitted flue
View models
Vortex Eco: Internal
5
A

Vortex Eco: Internal

  • 15kW to 35kW outputs available
  • Sealed system models within the range
  • Simplified pipework arrangement, casing and control panel
View models
Vortex Eco: External
5
A

Vortex Eco: External

  • 15kW up to 35kW outputs available
  • Factory fitted multi-directional flue
  • Sealed system models within the range
View models

Are you looking for Flues?

View Flues

Looking to fit and endorse Grant products?

The G1 scheme provides installers with the tools they need to fit and endorse Grant UK products - from training through to marketing support

Find out more

Looking for a part

Use our online spares catalogue which lists all of the parts we currently supply for all Grant products

Visit Spares Website

Why install a Grant oil-fired boiler?

Grant boilers are the first choice oil-fired boiler for many installers. Their quality build, excellent efficiencies and reliable operation make the Vortex oil boilers popular installation choices to suit many different types of property. All Grant oil-fired boilers achieve excellent performances and are available with guarantees up to 10 years when installed through the G1 Installer Scheme.

Case Studies

We have an app for that

We have an app for that

Grant TechBox is exactly what its name suggests – an electronic source which stores all the Grant product technical manuals as downloads.

We have an app for that We have an app for that

Explore the range

Compare products
/3
Return to top
Are you a homeowner? Please click here.