Thermostat is a device for maintaining a static (constant) temperature, as its name implies. There are thermostats of different designs in many devices and mechanisms, from water heaters to refrigerators. There is also a thermostat in a car's internal combustion engine (liquid-cooled, of course). In a car, the thermostat regulates the temperature of the coolant (antifreeze): it accelerates the warm-up of a cold engine and provides heat removal from the hot one. Therefore, the engine works more efficiently and more comfortably for the driver, especially in winter - without a thermostat, the stove would usually blew cold air.

1. TROOPER II (UB)
2. BIGHORN II (UB)
3. TROOPER II Open Off-Road Vehicle (UB)
4. BIGHORN II Open Off-Road Vehicle (UB)
5. TROOPER II SUV (UB)
6. D-MAX I (TFR, TFS)
7. RODEO I Pickup (TFR, TFS)
8. RODEO I (TFR, TFS)
9. KB
10. SPACECAB
11. N (5th Generation)
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The principle of the thermostat work

The classic MOTORAD brand Thermostat, coolant is a movable valve that moves due to a change in the external environment - heating or cooling of antifreeze. The thermostat is made of a thermoelement filled with a substance resembling wax in structure - ceresin, with the addition of copper powder, graphite or aluminum for better thermal conductivity. At a certain temperature of the antifreeze, ceresin expands, opening the thermostat valve. When the motor cools down, ceresin contracts and the thermostat closes again.