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It is quite obvious that you buy a thermostat to reduce your energy bills greatly. And, most of you might be interested to see how this device works, especially in these days of escalating energy prices. Well, the working of a thermostat is amazingly straight forward and constitutes some cool technology. The traditional mechanical thermostats and the modern digital thermostats are the two main types of thermostats available. To know the working of a thermostat, it is a good idea to look at the parts of a non-digital thermostat that is still found in most of the older homes. 1. How a thermostat works – Parts of a non-digital thermostat Mercury Switch – The mercury switch is the integral part of a thermostat which is in the form of a glass vial with a little amount of real mercury in it. The glass vial has three wires – one wire…