One function of the thermal expansion valve is to（）<br>A:act as a pilot from the solenoid valve<br>B:regulate the amount of refrigerant flow to the coil<br>C:regulate the water flow<br>D:turn the compressor off and on

One function of the thermal expansion valve is to（）
A:act as a pilot from the solenoid valve
B:regulate the amount of refrigerant flow to the coil
C:regulate the water flow
D:turn the compressor off and on

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