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Your fridge and your thermostat are smart—why not your bathtub too? Kohler created Perfect-Fill, a system with a digital valve, a smart drain, and an app that can draw a bath with the click of a button (or a voice command when paired with Google Assistant or Alexa). Perfect-Fill controls the bath’s depth and temperature, and can remember up to 10 presettings—shortcuts to users’ exact preferences—so you can draw a warm, shallow bath for the kids after dinner and a hot, deep one for yourself after they’re in bed. Compatible with Kohler tubs, the system requires professional installation (some components need to go behind a wall). Perfect-Fill is expected to go on sale by early 2023.

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