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What is the purpose of vapor traps?

April 26, 2017purpose Traps vapor

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What is the purpose of vapor traps?

2 Answers

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Every water fixture in your house has a vapor trap. This U shaped pipe is clearly visible under sinks, and is present in some form on all lines draining to the sewage system. The U shape holds water, preventing gases from backing up from the sewer into the house through the sink drain.

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Every water fixture in your house has a vapor trap. This “U” shaped pipe is clearly visible under sinks, and is present in some form on all lines draining to the sewage system. The “U” shape holds water, preventing gases from backing up from the sewer into the house through the sink drain.