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. SUNNY III (N14)
2. PULSAR V Saloon (N14)
3. SENTRA III (N14)
4. PULSAR III (N14)
5. TSURU III (N14)
6. PULSAR V (N14)
7. SUNNY III Liftback (N14)
8. PULSAR V Liftback (N14)
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10. PULSAR V Hatchback (N14)
11. SENTRA III Hatchback (N14)
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14. SUNNY III Traveller (Y10)
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19. PRIMERA (P10)
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The principle of the thermostat work

The classic ASHIKA 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.