If you are about to install a copper hot water cylinder or unvented 'Megaflo' cylinder, watch this video. You must install a Twin Coil Cylinder not a single coil as your hot water cylinder will heat up faster by using a twin coil, faster recovery or reheat time will improve efficiency.
Explained by Ian Puddick Boiler and Heating Expert to BBC Rogue Traders, ITV and C4
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Негізгі бет Why you must fit a TWIN Coil Cylinder when you change your Hot Water Cylinder by BBC Watchdog Expert
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