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. H100 Bus (P)
2. H150 Bus (P)
3. GRACE Bus (P)
4. H100 / GRACE Bus (P)
5. BAKKIE Bus (P)
6. H100 Van
7. H150 Van
8. GRACE Van
9. H100 / GRACE Van
10. H-1 Van (A1)
11. H200 Van (A1)
12. STAREX Van (A1)
13. STAREX I Van (A1)
14. LIBERO Van (A1)
15. PORTER Van
16. GALLOPER II (JK-01)
17. H-1 / STAREX Bus (A1)
18. H200 Bus (A1)
19. SATELLITE Bus (A1)
20. STAREX I Bus (A1)
21. See more in applications

The principle of the thermostat work

The classic JAPANPARTS 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.