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How does a refrigeration solenoid valve differ from a modulating valve?
A) Both valves operate in exactly the same manner, only the manufacturer's terminology is the differentiating factor.
B) A liquid line solenoid valve is either completely opened or closed, whereas a modulation valve is infinitely positioned according to the strength of the applied electrical signal.
C) Solenoid valves are only used in low voltage refrigeration control systems, while modulation valves are used in high voltage applications.
D) A solenoid valve can only be installed in liquid lines.
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