Recent content by AustinHook

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    Why in the world are thermostats battery powered?

    Yeah, that had occurred to me too.... :-) !
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    Why in the world are thermostats battery powered?

    How do you know that the battery will last 10 years? I just bought a CT87K and it mentions that it contains a lithium battery, but doesn't say how long it will last. Moreover, it doesn't explain how it helps the thermostat to work.