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Grant IRL - In case you need another reason to upgrade your boiler to a Grant Vortex condensing oil boiler, our range has secured a third consecutive Which? Best Buy. http://bit.ly/30JHf98
The only oil boiler manufacturer to achieve Which? Best Buys for three years running | Grant Northern Ireland
Which? Best Buy Vortex Eco 15/21kW External boiler installed at 1930s home in East Sussex