What is wax thermostat?

A wax thermostat is a type of thermal actuator that uses wax or a similar substance to control temperatures. The wax inside the thermostat is designed to melt and expand as the temperature rises, which then pushes a piston or plunger that opens or closes a valve or switch.

These thermostats are commonly used in HVAC systems, car engines, and other industrial or mechanical applications that require precise temperature control. They are relatively simple and reliable, with few moving parts that can break or wear down over time.

One advantage of wax thermostats is that they are highly responsive, quickly reacting to changes in temperature and adjusting the valve or switch accordingly. They can also be used in harsh environments where other types of thermostats might fail, such as in extreme heat or cold.

Overall, wax thermostats are a popular and effective way to regulate temperature in a wide range of settings, providing accurate and efficient control in many different applications.