The thermostat on your furnace is the main component of a home heating system. The thermostat is your main point of control that decides when the furnace will kick on and how much heat it will produce when it does. For all that is does and the power that it possesses, a home furnace thermostat is actually not as complicated as you might think. In fact, all a furnace thermostat is simply a switch that is pressure sensitive.An analog or non-digital thermostat is made up of three major components, which includes a heat anticipator, a bimetallic coil or strip and contact. As the temperature of you home increases and decreases, in order for an analog thermostat to function properly, something must move. That is where the bimetallic strip comes into play.
As the bimetallic strip moves, the vial of mercury is tipped until the until the element moves enough to either open or close the switch contact. The contact works similar to a light switch.
There is an electrical resistance wire on the center disc that is connected to the bimetallic strip and allows the thermostat to turn the furnace off and on.
There are several different thermostats available for home heating. Agoura residents always turn to West Coast Chief Repair for all of their heating and cooling questions and problems.

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