Year guarantee*
Vortex Eco: Internal Wall Hung
Grant’s Vortex wall hung oil-fired boiler range comprises four internal and four external models.
Available in outputs ranging from 12-21kW, in both sealed system and open-vented system variants, these new appliances are pre plumbed and encompass Grant’s patented Vortex stainless steel heat exchanger and turbulator baffle system.
a HeatingFeatures & benefits
Vortex Eco wall hung models feature the latest version of the Grant Vortex stainless steel heat exchanger and baffle system and come in outputs ranging from 12–21kW with sealed system options.
Internal wall hung models fit with Grant’s EZ-Fit low level, high level and vertical flue systems, so almost any installation situation can be catered for.
Sealed System Models
Grant Vortex Eco Wall Hung boilers are also available in sealed system versions. These include a factory fitted expansion vessel, filling loop, pressure gauge, automatic air vent, pressure relief valve and high efficiency circulating pump, enabling boilers to be installed without the need for a feed and expansion tank in the loft.
- Award winning range
- Outputs ranging from 12–21kW
- 91.6 – 91.9% Gross SAP2009 annual efficiency
- 5 year guarantee when installed by a G1 accredited installer (T&C’s apply)
- Exceptionally quiet operation
- Wall mountable
- Unique Grant Vortex stainless steel heat exchanger
- Compliant with September 2018 low NOx legislation
Grant is the only oil boiler manufacturer to achieve Which? Best Buys for three years running
Consumer group Which? have published the results of their 2019 oil boiler survey. Amongst the range of products to receive Which? Best Buys this year are all of Grant’s Vortex Pro Utility oil boilers. This is the third year running that Grant boilers have achieved this accolade making them the only oil boiler brand to be awarded Which? Best Buys in 2017, 2018 and 2019.
The Which? Best Buy logo is widely recognised as an endorsement that reflects confidence, trust and reliability in products. The Which? Best Buys and the supporting surveys play an important role in the decision-making process for householders researching new appliances for their home. Grant Engineering is therefore thrilled to have the high-quality build of their Vortex Pro Utility models, for example, acknowledged in the latest Which? survey with Best Buy status.
Read more on our news page.
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Configure your flue
We have a wide range of options available when it comes to flue systems, here's a helpful hand to put the right flue with the right boiler.
Use toolSpecification
Product code |
Model |
Set Output |
Max Output |
Weight |
Height |
Width |
Depth |
Efficiency |
NOx Emissions |
Tappings Flow/Return |
Burner |
Energy Rating |
Load Profile |
Energy Label |
Product Fiche |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| VTXWH12/16 | Grant Vortex Eco Wall Hung 12-16 | 14kW | 16kW | 91.1kg | 842mm | 630.5mm | 335.5mm | 90.13 | Class 2 | 22mm | Ecoflam | a Heating | - | View | View |
| VTXWH16/21 | Grant Vortex Eco Wall Hung 16-21 | 18.7kW | 21kW | 91.1kg | 842mm | 630.5mm | 335.5mm | 90.52 | Class 2 | 22mm | Ecoflam | a Heating | - | View | View |
| VTXSWH12/16 | Grant Vortex Eco Wall Hung System 12-16 | 14kW | 16kW | 98kg | 842mm | 630.5mm | 355.5mm | 90.13 | Class 2 | 22mm | Ecoflam | a Heating | - | View | View |
| VTXSWH16/21 | Grant Vortex Eco Wall Hung System 16-21 | 18.7kW | 21kW | 98kg | 842mm | 630.5mm | 335.5mm | 90.52 | Class 2 | 22mm | Ecoflam | a Heating | - | View | View |
Downloads
Accessories
Grant Vortex Mag One Magnetic Filter
- Filters magnetite and non-ferrous debris
- Simple to install, easy to clean, easy to drain design
- 12000 gauss neodymium magnet
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 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
Related products
Vortex Eco: External Wall Hung
- Award winning range
- Outputs ranging from 12–21kW
- 91.6 – 91.9% Gross SAP2009 annual efficiency