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A plumber lays out a water closet centerline beside a side wall. What minimum centerline clearance to the side obstruction is commonly checked?

Correct Answer

A) 15 in.

A water closet is commonly laid out with at least 15 in. from the fixture centerline to a side wall, partition, or fixture. Other choices are too tight, recommended comfort clearance, or front clearance.

Answer Options
A
15 in.
B
12 in.
C
18 in.
D
21 in.

Why This Is the Correct Answer

A water closet is commonly laid out with at least 15 in. from the fixture centerline to a side wall, partition, or fixture. Other choices are too tight, recommended comfort clearance, or front clearance.

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