A plumbing DWV vent termination should be at least how many feet horizontally away from a window or door?

Prepare for the InterNACHI Home Inspector Test. Study with multiple choice questions, hints, and explanations. Equip yourself for success!

A plumbing DWV (Drain, Waste, and Vent) vent termination should be at least 10 feet horizontally away from a window or door to prevent the potential for unpleasant odors and sewer gases from entering the living space. This distance is established as a safeguard to enhance indoor air quality and ensure that any emissions from the plumbing system are adequately dispersed before they can interact with fresh air entering through openings. Proper vent termination placement is critical for maintaining a safe and healthy environment in homes, and adherence to this guideline helps avoid complaints from occupants about plumbing smells and protects their overall well-being.

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