Energy Savings Trust HVO
Vortex Eco: Internal Wall Hung

5 Year guarantee*

Vortex Eco: Internal Wall Hung

The Grant Vortex Internal Wall Hung boiler range consists of two sealed system models and two open-vented system models.

All Grant Vortex Internal Wall Hung boilers are pre-plumbed and feature Grant’s patented heat exchanger and turbulator baffle system. Each model has a sleek, white case and provides the perfect solution when floor space is at a premium or unavailable.

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Features & benefits

  • *5 year guarantee when installed by a G1 Installer (Terms and Conditions apply)
  • Models include 12-16kW and 16-21kW
  • Wall mountable boilers
  • Open-vented system and sealed system models within the range
  • Sealed system boilers include: 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
  • Quite operation
  • Compatible with Grant EZ-Fit low level, high level and vertical flue systems so almost any installation can be catered for - read more about Grant EZ-Fit flue systems here
  • As with all of Grant’s Vortex oil boilers, this range is biofuel compatible (depending on the type of biofuel and % blend)
Boilers for many situations

Boilers for many situations

Grant Vortex condensing oil boilers have been developed to combine quality, reliability and exceptional performance. Each model within the range has been designed to be straightforward to install, user-friendly to operate and maintain, while also achieving excellent efficiencies to meet a home’s heating requirements effectively. With so much choice, the Vortex range of floor standing and wall hung boilers offers heating engineers and their customers a broad selection of models to suit a kitchen, utility, outdoor or garage environments.

Discover the full range of oil boilers from Grant UK.


Product code
Set Output
Max Output
NOx Emissions
Tappings Flow/Return
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


EZ-Fit Flue Range

Grant UK supply a comprehensive range of flue systems to suit all Grant Vortex and VortexBlue oil-fired boiler ranges

View the Range

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