Fixtures & Water HeatersQuestion 200 of 360
A properly installed closet flange should sit at what position relative to the finished floor?
a.at least 1 inch below the finished floor
b.flush only when the floor is tile
c.on top of, or flush with, the finished floor
d.recessed 2 inches into the subfloor
Explanation
The closet flange should rest on top of the finished floor so the water closet can seal correctly with the wax ring. A flange set too low leaves a gap the wax cannot bridge, causing leaks. Extension rings are used when flooring raises the floor level.
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Related questions on this topic
- Which statement about traps on plumbing fixtures is correct?
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- When setting a floor-mounted water closet, the connection to the closet flange must be made:
- What is the primary purpose of the wax ring used when setting a water closet?
- An accessible (ADA/CBC) water closet must have the top of the seat at what height above the finished floor?
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