Your scope covers full system installations—including under-slab rough-ins, PEX/copper water supply distributions, PVC/ABS DWV systems, high-efficiency tankless water heaters, and final trim fixtures—as well as troubleshooting leaks, repairing water lines, and servicing water heaters. Run, solder, press, and crimp copper, PEX, CPVC, cast iron, and PVC/ABS drain-waste-vent (DWV) piping systems per uniform plumbing code (UPC).