Grant VortexBlue External 21 ErP external boiler

Product code: 117140

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Product Description

Part of a new generation of low emission, clean-burning boilers, the Grant VortexBlue External 21 condensing boiler features low NOx Riello oil burner technology which not only meets current emissions targets but futureproofs the boiler against ongoing lowering of targets too, not just reducing the homeowner's carbon footprint but, thanks to an ErP A rating, keeping fuel bills low too. Built for flexibility, the 21kW output VortexBlue, with patented Vortex heat exchanger and inbuilt weather protection, includes a multi-directional flue and the option to convert to a sealed system giving you a wide range of installation options alongside the trademark Grant reliability.

Product Features

  • High quality external powder-coated casing
  • Built-in frost protection
  • Mains isolating switch
  • Test switch
  • Features Riello's RDB Blu burner technology
  • Patented Vortex stainless steel heat exchanger
  • Market leading Riello Blue Flame burner produces a blue flame for a cleaner combustion process and extremely low NOx emissions
  • Grant VortexBlue external modules can be converted to sealed system operation with a pre-assembled kit
  • Sealed system kit contains expansion vessel (size varies), automatic air vent, pressure relief valve, circulating pump, filling loop and pressure gauge
  • Award-winning range
  • 90.7 to 93.3% Gross SAP 2009 annual efficiency making the range one of the most efficient on the market
  • Factory-fitted multi-directional flue for flexible fitting
  • 2 year warranty
  • Extended warranty available when following Grant installation specification and guidelines