Grant Vortex Pro External Combi 21 ErP high efficiency outdoor combi oil boiler

Product code: 116296

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Product Description

Helping to lower your carbon footprint and reduce fuel bills, the ErP A-rated Grant Vortex Pro External Combi 21 boiler is fitted with the brand's high performance larger sized heat exchanger and an ultra-reliable Riello RDB burner for compliancy with 2018 low NOx legislation. Providing heating and instant hot water on demand without the need for an additional water tank, this 21kW combi boiler is ideal for those family homes where space is limited thanks to its robust powder-coated casing and built-in frost protection that allow it to be sited in the garden or garage without any risk of adverse effects or additional maintenance requirements.

Product Features

  • Two highly accurate electronic temperature controls allow the boiler to operate in condensing mode on central heating whilst maintaining instant hot water production
  • Large heat exchangers increase hot water performance thanks to their low water content and increased surface area
  • 89.5 to 91.6% gross SAP 2009 annual efficiency
  • Low system pressure cut off switch protects the boiler in the unlikely event of system water loss
  • 24L expansion vessel
  • Neon diagnostic indicators make fault diagnostics simple
  • Factory-fitted multi-directional flue saves time during installation
  • 2 year warranty
  • Extended warranty available when following Grant installation specification and guidelines