Is it me, or does shower water go from "too hot" to "too cold" in a very small range? - Factual Questions - Straight Dope Message Board
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Wasserrhythm Thermostatic Shower Bar Valve Victoria Chrome Mixer Modern, Only 1 Outlet(Suitable for Handheld Shower), Hot and Cold Water Mixer Constant Temperature Control for Bathroom : Amazon.co.uk: DIY & Tools
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