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Quote:
You're welcome
but the thermostat is different from the thermometer. The mercury thermometer you are talking about just tells you what the temp is. It doesn't regulate it (ie turn the heat source on and off when needed). The thermostat is what turns the power on and off for you when the temp goes above or below where you've set it. You have a more elaborate thermostat controlling your furnace at home.
Good luck!
You're welcome

Good luck!
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