A device utilized to generate a visible, non-toxic vapor, commonly referred to as a smoke generator, is employed in the field of plumbing to identify leaks or breaches within drainage and vent systems. The process involves introducing this vapor into the system and observing any areas where it escapes, thereby pinpointing the location of defects. As an example, a plumbing inspector may activate such a device connected to a building’s vent stack to locate a crack in an underground drain line evidenced by smoke emanating from the ground.
The employment of this detection method offers a non-destructive and relatively inexpensive means of assessing the integrity of plumbing systems. Its use can prevent potential water damage, costly repairs, and health hazards associated with undetected sewer gas leaks. Historically, this technique has been a standard practice in plumbing inspections, providing a reliable method for verifying system tightness and adherence to building codes.