What is the term for the section of the drain that prevents sewage odors from escaping?

Study for the BOMA Foundations Exam. Enhance your skills with flashcards and multiple choice questions. Each question comes with hints and explanations to help you get confident for your test!

The correct term for the section of the drain that prevents sewage odors from escaping is the P trap. This component is specifically designed to create a water seal that holds a small amount of water at all times. This water acts as a barrier, preventing sewer gases and odors from rising back up through the drain into the living space. The P trap is commonly found under sinks, tubs, and floor drains, and it is essential for maintaining hygiene and comfort in buildings by ensuring that unpleasant smells do not enter occupied areas.

The other terms refer to different types of drainage or plumbing configurations. For example, the S trap is similar in function to the P trap but typically has a design that can be used in specific installations. The U bend is a general term that could describe any curved section of piping, not specifically referred to in plumbing codes. A drain gate usually refers to a mechanism used to control the flow of water in drainage systems, rather than preventing odors. Understanding the function of the P trap emphasizes its importance in plumbing systems and its role in health and safety standards.

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