Vortex Eco: External Wall Hung

Vortex Eco: External Wall Hung

a Heating

5 Year guarantee*

Grant Vortex External Wall Hung boilers are finished with a high quality external powder coated paint, a durable design for wall mounted boiler installations outdoors.

Similar to the Internal Wall Hung range, the Grant Vortex External Wall Hung range consists of two sealed-system models and two open-vented system models. Featuring built-in frost protection, these External Wall Hung boilers give homeowners even more choice when it comes to siting their new boiler.


Features & benefits

  • *5 year guarantee when installed by a G1 Installer (Terms and Conditions apply)
  • Available in output of 16-21kW
  • Efficient operation with space heating efficiencies of 90.13 - 90.5%
  • Wall mounted boilers, ideal when outdoor floor space is limited
  • High quality, external powder coated casing designed for all weather conditions
  • Supplied with factory fitted multi-directional flue
  • Quiet operation
  • Open-vented system and sealed system variants available
  • Heating engineers should visit the Professionals Vortex Eco External Wall Hung range webpage to read more about these models

Case Studies

Award winning boiler ranges

Award winning boiler ranges

Over the years, Grant Vortex and VortexBlue oil boilers have been recognised for their quality build, reliable operation and excellent efficiencies. From endorsements through to awards, Grant boilers have received many accolades for their performance. With their low emissions levels and high space heating efficiencies, Grant oil boilers provide homeowners with an efficient heating solution.

Read more about the awards Grant UK has received here.


Product code
Set Output
Max Output
NOx Emissions
Energy Rating
Load Profile
Energy Label
Product Fiche
VTXOMWH16/21 Grant Vortex Eco Wall Hung External 16-21 18.7kW 21kW 92.1kg 832mm 684mm 351mm 90.52 Class 2 a Heating - View View
VTXSOMWH16/21 Grant Vortex Eco Wall Hung External System 16-21 18.7kW 21kW 96.1kg 832mm 684mm 351mm 90.52 Class 2 a Heating - View View


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