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- 19 Oct 2008
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Is there an electric heating system that will provide instant hot water, enough to fill a bath? I dont have mains gas and wondered if I could replace the existing large immersion heater/tank with a much smaller instant hot water system. I guess it will be more expensive as the current system uses economy 7 to heat the water over night, but as we have showers much more often than a bath and the existing shower is an electric shower, it wouldn't make too much difference cost wise?