Some people have asked why I said the cost of replacing a boiler was likely to be nearer ￡5,000 than the ￡1,367 you suggested (22 January, page 24) or the retail cost of about ￡750.1 have a quote for my house, a three-storey, three-bed townhouse, built about 1980. The heating system has a wall-hung boiler running at 79% efficiency. There is a central programmable wall thermostat and a programmable boiler controller.
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