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Title: Gotta agree - wonderful concept - crappy product.
Review: I like so many others here had one of these units installed on a detached office that we built for our house. Worked intermittantly for a year and now has quit totally. Unfortunate to read all the bad reviews as I had always associated Bosch with quality - oh well.Update:Well come to find out you need a minimum flow rate (GPH I expect) on this unit that is higher than our shower head put out. Granted it is a low flow shower head but heck. We found out by turning on the sink the same time the shower was on and viola - the heater kicks on. We tried this after talking to someone else that had the same problem.
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