Cast Iron Partial Repipe - 4" for 10-25 feet, Spot Repair: Remove and replace up to 25 feet of 4" cast iron piping in a localized section of the plumbing system. The service includes cutting and removing the affected pipe, installing new sections with proper fittings, and reconnecting to the existing system. All piping will be carefully aligned and securely supported to ensure structural integrity and consistent performance. Materials and installation methods are selected for durability and long-term reliability. Warranty: This installation is backed by a 1-year labor warranty, covering our workmanship. Win with Chen members receive an extended labor warranty for a total of 2 years. Customer originally contacted us regarding replacement failing cast-iron drain pipe. After evaluation and presenting multiple repair options, the customer decided to proceed with a partial cast-iron replacement. Upon arrival we removed the affected section of deteriorated cast-iron, replumb the area