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  • Unvented Hot Water Problems

    Unvented Hot Water Problems If you have an unvented hot water tank or cylinder as it is otherwise known as, did you know it should be serviced each year? But why I hear you say, it’s just a hot water tank. With unvented hot water cylinders, some have a separate expansion vessel connected to the pipework to take up the expansion as the water heats, whereas the Megaflo has the [...]

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