4 Inch Flush Mechanical Cleanout Repair Plug For Cast Iron Pipes Fix Worn Or Stripped Threads With Rubber Gasket Seal Heavy Duty Plumbing Repair Fitting

4 Inch Flush Repair Plug for Cast Iron Cleanout Fittings
✔️ Rubber gasket seal, holds 50 ft back pressure, flush install with Allen wrench

This repair plug fixes worn or stripped threads on cast iron cleanout fittings using a rubber gasket that seals behind the threads instead of on them.

✅ Designed for cast iron pipes with damaged threads
✅ Installs completely flush inside the fitting
✅ Comes with Allen wrench for quick setup
✅ Rated to hold 50 ft of back pressure

💡 What is a cleanout plug used for? Plumbing cleanouts give easy access to drain lines for clearing blockages without major pipe work. - They create a sealed entry point in waste systems for routine maintenance - Useful in homes and buildings to reach clogs fast - Saves time by avoiding full excavation in many repair jobs