A plumbing smoke tester is a device that introduces non-toxic smoke into drain and vent systems to locate leaks and other defects. The smoke is typically generated by vaporizing a mineral oil or glycol-based fluid. This visible vapor allows plumbers to quickly pinpoint the source of issues that might otherwise be difficult to detect, such as small cracks, loose joints, or improperly installed components. For example, if smoke emerges from the ground around a sewer line, this indicates a break in the pipe.
Locating leaks without such equipment can be time-consuming and costly, often involving exploratory excavation or extensive interior demolition. This diagnostic tool offers significant advantages by minimizing disruption and property damage while expediting repairs. Its use has become increasingly prevalent in modern plumbing practices, representing a shift towards more efficient and less invasive leak detection methods. This technology has drastically improved the ability to diagnose complex plumbing issues quickly and accurately, resulting in substantial cost savings for property owners.