A car heater control unit as the term suggests is responsible for controlling the heating system. In simple terms, it can be thought of as a regulator which ensures that your cabin's temperature remains at a constant that's pre-set by the driver. There are various types of control units which range from manual to automated and computerised units. That said you always need to buy a control unit which is meant for your particular vehicle.
If there is something wrong with the car heater control unit, your heater will struggle to maintain a constant temperature. You will feel as though the heating often fluctuates, at times you may get the feeling that the cabin is not becoming hot. While there can be various other reasons for these symptoms, they are grounds to visit a professional mechanic who will determine the cause of the problem.
At 123spareparts.co.uk, we sell the highest quality branded car heater control units for all types of cars. So, whether you have an aftermarket heater or one that came preinstalled by your car's manufacturer we should have the right unit for you. The easiest way to find a car heater control unit is to search via part number. If you're still unable to find the right unit or are in doubt, then do not hesitate to call or email us right away.