Santech A/C Compressor Control Valve MT3452

Many of the new air conditioning systems and most new luxury automobiles use a clutchless compressor fitted with a compressor control valve. Clutchless compressors use a thermistor, transducer, and solenoid to perform the same functions electronically that the electromagnetic clutch does mechanically.The function of the valve is to balance the pressure of the fluids moving through the system by controlling the angle of the swash plate. This keeps the evaporator at a constant temperature slightly above freezing to maximize the auto air conditioning system operation. Mechanical control valves are used in older and more economical cars and electric control valves are generally used in more expensive or luxury automobiles and are becoming more common in the marketplace.