Products
Oil Boilers
Award winning Grant Vortex condensing boiler range, available in outputs from 12-70kW. Endorsed by the Energy Savings Trust, the appliances are currently some of the most efficient oil-fired boilers on the market.
Vortex Blue: Internal
- Award winning range
- Outputs of 15-21, 21-26 and 26-36kW
- 90.7 - 93.3% Gross SAP2009 annual efficiency
Vortex Pro: Internal
- Award winning range
- Outputs ranging from 15-70kW
- 90.7- 93.3% Gross SAP2009 annual efficiency
Vortex Blue: External
- Award winning range
- Outputs of 15-21, 21-26 and 26-36kW
- 90.7- 93.3% Gross SAP2009 annual efficiency
Vortex Pro: External
- Award winning range
- Outputs ranging from 15-70kW
- 90.7- 93.3% Gross SAP2009 annual efficiency
Vortex Blue: Internal Combi
- Award winning range
- Outputs of 21, 26 and 36kW
- 89.5- 91.6% Gross SAP2009 annual efficiency
Vortex Pro: Internal Combi
- Award winning range
- Outputs of 21, 26 and 36kW
- 89.5- 91.6% Gross SAP2009 annual efficiency
Vortex Blue: External Combi
- Award winning range
- Outputs of 21, 26 and 36kW
- 89.5- 91.6% Gross SAP2009 annual efficiency
Vortex Pro: External Combi
- Award winning range
- Outputs of 21, 26 and 36kW
- 89.5- 91.6% Gross SAP2009 annual efficiency
Vortex Boiler House
- Award winning product range
- Outputs ranging from 15–70kW
- 90.7 – 93.3% Gross SAP2009 annual efficiency
Vortex Eco: Internal Wall Hung
- Award winning range
- Outputs ranging from 12–21kW
- 91.6 – 91.9% Gross SAP2009 annual efficiency
Vortex Eco: External Wall Hung
- Award winning range
- Outputs ranging from 12–21kW
- 91.6 – 91.9% Gross SAP2009 annual efficiency
Vortex Eco: Internal
- Award winning range
- Outputs ranging from 15–35kW
- 90.3 – 90.8% Gross SAP2009 annual efficiency
Vortex Eco: External
- Award winning range
- Outputs ranging from 15–35kW
- 90.3 – 90.8% Gross SAP2009 annual efficiency
Flues
EZ Flues: Internal low level balanced flues (yellow system)
- Suitable for Internal Grant Vortex boilers up to 70kW
- Self-sealing ducts requiring no silicone or tape
- Optional plume diverter (maximum height = 6 metres)
EZ-Fit Internal Vertical Balanced Flues (White System)
- Suitable for Internal Grant Vortex boilers up to 70kW
- Unique connection system ensures easy assembly
- Supplied as a complete kit
EZ-Fit Internal High Level Balanced Flues (White System)
- Suitable for Internal Grant Vortex boilers up to 70kW
- Maximum total flue length = 10 metres (deduct 1 metre for each additional 45° elbow used)
- Flue may be extended horizontally and vertically
EZ-Fit External High Level / Vertical Flues (Green System) for internal boilers
- Suitable for Grant Vortex & VortexBlue boilers up to 70kW
- Supplied in modular form
- Ideal when a more complicated external flue configuration is required
EZ-Fit Flexible Vertical Balanced Flues (Red System)
- Suitable for Grant Vortex boilers up to 26kW
- Quick and simple to install
- Available in 6, 8, 10 and 12 metre packs
EZ-Fit Vertical conventional flues (Orange System)
- Suitable for Grant Vortex boilers up to 70kW
- Designed to enable an existing chimney to be utilised.
- Available in 6, 8, 10, 11, 12, 14 and 16 metre flexi packs
EZ-Fit External Flues (Green System) for outdoor boilers
- Suitable for Grant Vortex & VortexBlue external boilers up to 70kW
- Vertical and horizontal solutions
- Designed to enable the extension of the flue system supplied with all external modules
Find an engineer
Search our extensive engineer network and locate a technician in your area
Find a merchant
Use our national merchant search to find a Grant supplier near you
Why upgrade to a Grant oil-fired boiler?
For the past 40 years Grant has developed some of the most innovative and efficient oil-fired boilers in the UK and Ireland. Utilising our patented Vortex stainless steel secondary heat exchanger, Grant boilers are designed and manufactured to the highest standards so you can be confident in their durability and efficiency. We believe in simplicity, and while our technology is advanced, our boilers are low maintenance and easy to install. And with over 60 models and hundreds of different EZ-Fit flue combinations there's sure to be a solution that's right for you.
