Grant VortexBlue Internal Combi 21 ErP combi boiler 21kW

Product code: 117143

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Product Description

The Grant VortexBlue Internal Combi 21 condensing boiler features Riello RDB BLU burner technology for a cleaner burn alongside the award-winning larger size Vortex stainless steel heat exchanger, ensuring not only a low-maintenance long life but reduced environmental impact and an ErP A rating for lower fuel bill spend and reduced emissions. These well-designed internal boilers contain highly accurate electronic temperature controls for instant hot water production during central heating condensing mode for improved user comfort while neon diagnostic indicators make fault detection and repair easy for the boiler technician.

Product Features

  • Two very accurate electronic temperature controls allow boiler to operate in condensing mode on central heating whilst maintaining instant hot water
  • Riello Blue Flame burner produces a blue flame, rather than the usual yellow, resulting in cleaner combustion process and extremely low NOx emissions.
  • Large heat exchangers which, with a low water content and larger surface area, increases hot water performance
  • Neon diagnostic indicators making fault diagnostics easier
  • Part of an award-winning range
  • 89.5 to 91.6% gross SAP 2009 annual efficiency
  • Low system pressure cut off switch protects boiler in the unlikely event of system water loss
  • 24L expansion vessel
  • 2 year warranty

Web Pack Includes

Boiler only