Answer the single-choice question:
 A client is building a new building and wishes to use a high efficiency boiler and the load calculations you performed indicate the building has 150,000 Btu/hr/heat loss. Designing around a 40 degree delta T, how many gallons per minute/liters per second of water are required for the system design?
A. 7.5 gpm/
B. 15 gpm/
C. 75.0 gpm/ Your response should contain 150+ words.
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