The Grant Vortex Condensing Combi is sedbuk A Rated with efficiencies of between 92% and 94%. The boiler is extremely compact in size and has a number of features not usually found on oil combination boilers.The Grant Vortex Pro External Combi Oil Boiler features a larger heat exchanger that will increase hot water performance, a 'low system pressure cut-off switch', and two extremely accurate temperature controls. These controls allow the boiler to provide instant hot water whilst in condensing mode. The Grant Vortex Pro External Combi Oil Boiler 21kW produces 15 Litres Per Minute with a recovery time of approximately 4 minutes.Oil Boiler Specification
Catalogue Number: 366-5572
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