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Grant VortexBlue Internal Boiler Range

The award winning Grant VortexBlue internal boiler range is endorsed by the Energy Saving Trust and comes with up to a 10 year guarantee

The Grant VortexBlue internal combines the latest condensing boiler technology with Grant’s revolutionary new blue flame, this winning combination allows you to benefit from a market-leading reliable boiler with those all-important low emissions as well as up to a 10 year guarantee.

  • HVO compatible
  • Outputs of 21, 26 and 36kW
  • 90.7- 93.3% Gross SAP2009 annual efficiency
  • 10 year guarantee when installed by a G1 accredited installer such as Total Energy Services (T&C’s apply)
  • Market-leading Riello Blue Flame burner
  • Familiar burner technology
  • Neon diagnostic indicators
  • Compliant with September 2018 low NOx legislation

The Grant VortexBlue internal sleek white casing, unique control panel with neon diagnostic indicators and simplified pipework arrangement, makes this the ideal boiler for your utility or kitchen.


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Technical Details

The Grant VortexBlue Internal Boilers come in many different models allowing you to benefit from a heating system perfectly matched to your home and usage.


GRANT VortexBlue Internal 15-21kW

GRANT VortexBlue Internal 21-26kW

GRANT VortexBlue Internal 26-36kW

Grant VortexBlue Internal Sealed System 15-21

Grant VortexBlue Internal Sealed System 21-26

Grant VortexBlue Internal Sealed System 26-36

All models are ErP Efficiency Rating A, dimensions depend on model chosen


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Contact us for a free Grant UK Oil Boiler Quote


Total Energy Services cover the following areas;

Total Energy Services offer heating and plumbing services in the areas of Dorset, Somerset, Wiltshire and Hampshire including;

Blandford Forum, Sturminster Newton, Shaftesbury, Gillingham, Wimborne, Sherborne, Cerne Abbas, Six Penny Handley, Wincanton, Portland, Weymouth, Tisbury, Swanage, Wareham, Templecombe, Dorchester, Salisbury, Fordingbridge, Bruton, Castle Cary, Poole, Bournemouth, Christchurch.

If you live outside these areas please contact us and we will be happy to advise you.