A low pressure control has a "high event" and a "differential" setting. The technician wants the system to turn on at 28 psig and shut down at 2 psig. What would be the proper settings?
A. high event: 28 psig, differential: 2 psig
B. high event: 2 psig, differential: 2 psig
C. high event: 28 psig, differential: 26 psig
D. high event: 2 psig, differential: 28 psig
Answer: C
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