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 ProductsGrant’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
- 15kW to 70kW outputs available
- Incredibly efficient
- Quiet operation
Vortex Pro: External
- 15kW to 70kW outputs available
- High quality external powder coated casing and durable design
- Excellent space heating efficiencies
Vortex Pro: Internal Combi
- 21kW, 26kW & 36kW outputs available
- Slimline Combi XS model available
- Space heating efficiencies of up to 94.5%
Vortex Pro: External Combi
- 21kW, 26kW & 36kW outputs available
- Feature Grant’s patented heat exchanger technology
- Ideally suited when space is at a premium inside the home
Vortex Boiler House
- 15kW up to 70kW outputs available
- Ideal for installing in garages, cellars and plant rooms
- Distinctive red, powder coated casing
Vortex Eco: Internal Wall Hung
- 16kW up to 21kW outputs available
- Wall mountable units providing space saving solutions
- Space heating efficiency of up to 90.5%
Vortex Eco: External Wall Hung
- 16kW up to 21kW outputs available
- External wall mountable boilers
- High quality, durable external casing
Vortex Eco: Internal
- 15kW to 35kW outputs available
- Competitively priced condensing boiler range
- Space heating efficiencies of up to 92.7%
Vortex Eco: External
- 15kW up to 35kW outputs available
- Competitively priced external oil boiler range
- Space heating efficiencies of up to 92.7%
Are you looking for Flues?
View FluesLooking 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
Join our G1 SchemeLooking for a spare part?
Use our online spares catalogue, which lists all the spares and parts we supply for Grant products, to find oil boiler spares, heat pump spares and more
Visit Spares WebsiteWhy 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.
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