AZ ROC R-37 Plumbing & Solar Practice Questions - Arizona ROC R-37 Plumbing Including Solar (Residential) Examination Exam

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A contractor is calculating total Water Supply Fixture Units (WSFU) for a home containing 1 bathroom group with a tank-flush water closet (2.5 WSFU), a lavatory (1.0 WSFU), a shower (2.0 WSFU), plus 1 kitchen sink (1.5 WSFU). What is the total WSFU load?

5.5 WSFU 7.0 WSFU 8.5 WSFU 10.0 WSFU

Correct Answer:

7.0 WSFU

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