drain trap

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Related to drain trap: Plumbing trap


1. A device to maintain a water seal against sewer gases, air, and odors; also called a stench trap.
2. A removable section of a theater stage floor.
3. Same as traprock.
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References in periodicals archive ?
Before you start demolishing the walls, make sure there's water in the floor drain trap.
Even more serious, water can be drawn out of the drain trap, eliminating that all-important seal between the sewer line and your home.
1 TOP OFF the drain trap water level by adding a quart of water.
10) Clean furnace condensate drain trap where applicable on 90% condensing furnaces
The traditional remedies: Either use harsh chemicals or disassemble the drain trap to clear the blockage.
Photo I shows one method of removing the ball-type backflow preventer to gain access to the floor drain trap for cleaning.