A wall scanner is a non invasive handheld device that can detect studs copper and plastic water pipes as well as electric wiringsits a perfect tool for beginners and intermediate users alike and decreases errors in detection and increases accuracy with proper use. Sprinkler pipes are often 8 inches below the surface but main supply lines can be up to 18 inches below.

Teen Identifies Way To Detect Failing Underground Pipes
Locating plastic pipes in walls. The aml is truly amazing its the only hand held device available thats capable of locating buried pvc pipes and other non metallic services. Metalliscanner m40 detects metal in wood drywall paneling tile stucco plaster concrete and other non metallic surfaces. It locates ferrous magnetic metal up to 4 inches 102 mm deep and. How to locate a broken pipe in a wall. Listen for the. If your unsure ask the builder where its run.
Practice using the detector on a wall where you know the location of pipes studs and wires. Most homes have several plumbing pipes within the walls including water sewer and vent pipes. The aml pvc pipe detector is a hand held device that can locate almost all buried metallic and non metallic materials including pvc fiber optics cable water sewer stormwater irrigation and many other types buried services. Normally you stick silver foil tape on the brickwork and then nail clip your plastic pipe to it. How to make a highly effective pvcplastic pipe tracing locating finding electronic device. Step 3 dig with a shovel along the assumed pipe line.
Normally you would run pipework in an s shape or l shape if under a window if that helps at all. How to find water lines in walls. Also works under concrete slabs. Purchase or rent a combination detector from a home improvement or plumbing supply store. Link to daves circuit. When these break locating them can be a challenge.
Although it takes time and some trial and error probing is a simple and inexpensive way to locate plastic pipes underground. Typically a combination detector will find studs.