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"All hot water distribution pipe and tubing must have a minimum pressure rating of __________________________. A. 80 psi (552 kPa) at 140ºF (82ºC) B. 100 psi (690 kPa) at 180ºF (82ºC) C. 100 psi (690 kPa) at 140ºF (82ºC) D. 180 psi (1242 kPa) at 180ºF (82ºC)!"
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