Multiple Choice
The EPR valve is installed in the suction line at the evaporator outlet and it ____.
A) modulates the refrigerant vapor to the compressor
B) prevents the boiling point in the evaporator from dropping below a pre-set point
C) when used with a TX valve the system has the characteristics of maintaining a constant superheat and keeping the pressure from going too low
D) All of the above.
Correct Answer:

Verified
Correct Answer:
Verified
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