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Showing results for tags 'multipoint'.
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Planning my first fix plumbing and wiring and so it's decision time for my DHW. As a small building used for holiday lets I will not have a boiler or the need for any bulk hot water storage. I also don't want to be paying for standing losses on a house that might go empty for weeks at a time. So the options are: a) Electric shower + two individual under-sink IHW units, one in the kitchen and one in the bathroom b) Electric shower + multipoint IHW unit feeding both the basin and sink. I could site this near the CU which would be about mid way between the two outlets. c) Multipoint IHW feeding the shower, basin, and sink. The last option is very tempting as it would in some ways be the simplest, and possibly the cheapest. Also prevents the possibility of overloading the power supply. But you would want the IHW to produce higher temps, for dish washing, than you'd need for a shower- and I am right in thinking that it's quite inefficient to have to dilute hotter water back down again? If it was my own house I would live with the shower temp water, and top it up with a kettle if I needed to soak some dishes... but it's not my house, and everything needs to be idiot proof I know that @JSHarris has had success with his IWH, albeit in a quite different application.
