Grant Vortex Pro External Combi Boiler & Flue 21kw

The grant vortex pro external combi boiler delivers professional-grade heating and hot water performance engineered for external installation. Featuring a larger-than-standard heat exchanger and robust all-weather casing, this 21,000w combi unit provides space-saving functionality. Space heating efficiencies ranging from 90.81 94.5% Ensure reduced running costs while maintaining consistent performance. Grant's patented stainless steel heat exchanger delivers long-term reliability and superior heat transfer in demanding conditions. The factory-fitted multi-directional flue reduces installation time and complexity. Built-in frost protection and neon diagnostic indicators improve operational reliability, while biofuel compatibility supports flexible fuel options depending on blend specifications. The unit is supplied with a 24-litre expansion vessel. Features & benefits: high-quality external powder-coated casing designed for all-weather durability. Space heating efficiency of 90.81 94.5% For reduced operational costs. Grant's patented stainless steel heat exchanger for superior reliability. Factory-fitted multi-directional flue for simplified installation. Built-in frost protection and neon diagnostic indicators for reliable operation. Biofuel compatible depending on blend type and percentage. 'A' heating energy rated with nox class 2 emissions. Supplied with 24-litre expansion vessel. Output: 21,000w 21kw . Dimensions: d 754 x h 945 x w 658mm.

The grant vortex pro external combi boiler delivers professional-grade heating and hot water performance engineered for external installation. Featuring a larger-than-standard heat exchanger and robust