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Vortex Blue: Internal

10 Year guarantee*

Vortex Blue: Internal

The VortexBlue Internal oil-fired boiler range has been designed to suit kitchen and utility room environments, combining Grant’s proven boiler technology with a revolutionary blue flame burner.

This range features a sleek white casing and neon diagnostic indicators within the control panel. With its state of the art blue flame burner, the VortexBlue Internal boilers deliver reliable, efficient operation with ultra-low NOx emissions.

a Heating

Features & benefits

  • *10 year guarantee when installed by a G1 Installer (Terms and Conditions apply)
  • Available in outputs of 15-21kW, 21-26kW and 26-36kW
  • Exceptionally efficient achieving between 90.8-94.5% space heating efficiencies
  • Using the Riello blue flame burner, this results in a much cleaner combustion process producing very low NOx emissions
  • Sealed system models also available within the range
  • Neon diagnostic indicators make diagnostics easier
  • Designed to be installer friendly and simple to maintain
  • Compatible with Grant EZ-Fit flue systems
  • As with all of Grant’s Vortex oil boilers, this range is biofuel compatible (depending on the type of biofuel and % blend)
  • Heating engineers should visit the Professionals VortexBlue Internal range webpage to read more about these models
An introduction to blue flame technology

An introduction to blue flame technology

As the name suggests, the flame produced in a blue flame burner is blue in colour, rather than the usual yellow colour of standard burners fitted in Grant Vortex boilers. This blue flame results in a much cleaner combustion process, producing extremely low NOx emissions while also operating at very high efficiency levels.

Since September 2018, oil boilers installed in the UK have had to meet lower NOx emission targets and these targets may become more stringent in the coming years. With the VortexBlue range, Grant has taken the decision to future proof oil fired boilers by moving to very low NOx, blue flame technology well in advance of legislation.

Specification

Product code
Model
Set Output
Max Output
Weight
Height
Width
Depth
Efficiency
NOx Emissions
Energy Rating
Load Profile
Energy Label
Product Fiche
VTXBF21 Grant VortexBlue Internal 21 (15-21kW) 21kW 21kW 130kg 860mm 470mm 603mm 90.81 Class 3 a Heating - View View
VTXBF26 Grant VortexBlue Internal 26 (21-26kW) 26kW 26kW 130kg 860mm 470mm 603mm 91.71 Class 3 a Heating - View View
VTXBF36 Grant VortexBlue Internal 36 (26-36kW) 36kW 36kW 144kg 900mm 470mm 603mm 94.56 Class 3 a Heating - View View
VTXSBF21 Grant VortexBlue Internal System 21 (15-21kW) 21kW 21kW 130kg 860mm 470mm 603mm 90.81 Class 3 a Heating - View View
VTXSBF26 Grant VortexBlue Internal System 26 (21-26kW) 26kW 26kW 130kg 860 mm 470 mm 603mm 91.71 Class 3 a Heating - View View
VTXSBF36 Grant VortexBlue Internal System 36 (26-36kW) 36kW 36kW 144kg 900mm 470mm 603mm 94.56 Class 3 a Heating - View View

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