The Ranco knob thermostat is a climate control device used in vehicles. It is designed to regulate the temperature of the passenger compartment. Ranco thermostats are used in air conditioning systems of different types of vehicles, such as cars, trucks, buses, tractors, etc. They are designed to be reliable and durable, able to withstand the harsh conditions of the automotive environment.It is important to note that Ranco is a well-known brand in the field of thermostats and temperature controllers. They offer a range of products for various applications. Therefore, you can find different models of Ranco thermostats suitable for different types of vehicles and specific needs.If you have more specific questions about a particular model of Ranco thermostat for vehicle air conditioning, feel free to provide more details so that we can help you.