Grant Vortex Pro External Combi 21 oil boiler 21kW

Product code: 333918

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Product Description

Meeting the latest in low-NOx regulations and part of an award-winning range, the Grant Vortex Pro External Combi 21 external boiler features Riello low-NOx technology and Grant's own powerful patented heat exchangers with their larger surface areas and lower water content. Designed for outdoor installation, this 21kW appliance has a robust powder-coated casing and inbuilt frost protection for uninterrupted performance all year round and an ErP A rating for heating, B for hot water.

Product Features

  • High quality, external powder-coated casing
  • Factory-fitted multi-directional flue for faster, flexible installation
  • Patented Grant larger size heat exchanger for improved performance
  • Riello low-NOx burner
  • 2 very accurate electronic temperature controls allow boiler to operate in condensing mode on central heating while producing instant hot water
  • Low system pressure cut off switch protects boiler in the unlikely event of system water loss
  • 24L expansion vessel
  • Neon diagnostic indicators
  • Built-in frost protection
  • 89.5 to 91.6% gross SAP2009 annual efficiency
  • DHW flow rate 30LPM at 10°C, 15LPM at 20°C
  • 2 year warranty

Web Pack Includes

Boiler only