Fixtures & Water HeatersQuestion 201 of 360
What is the primary purpose of the wax ring used when setting a water closet?
a.to level the bowl on an uneven floor
b.to anchor the bowl to the studs
c.to reduce flush noise
d.to form a watertight, gastight seal between the bowl and the flange
Explanation
The wax ring compresses between the water closet horn and the flange to create a seal that stops water leaks and sewer gas. It is not a structural or leveling component. Bolts and shims handle alignment; the wax handles the seal.
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