Thermostat, coolant - DT1138V DAYCO

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. SORENTO I (JC)
2. H-1 / STAREX Bus (A1)
3. H200 Bus (A1)
4. SATELLITE Bus (A1)
5. STAREX I Bus (A1)
6. STAREX Bus (A1)
7. H100 Van
8. H150 Van
9. GRACE Van
10. H100 / GRACE Van
11. H-1 Travel (TQ)
12. iMAX Travel (TQ)
13. H-1 / STAREX Travel (TQ)
14. i800 Travel (TQ)
15. MONTANA Travel (TQ)
16. GRAND STAREX Travel (TQ)
17. H1 / STAREX Travel (TQ)
18. GRAND STAREX II Travel (TQ)
19. H-1 / GRAND STAREX Travel (TQ)
20. H100 Bus (P)
21. See more in applications

The principle of the thermostat work

The classic DAYCO 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.