Gripper Three Inch Black Mechanical Clean Out Plug With NPT Threads And Rubber O Ring Positive Seal ABS Glass Reinforced Plastic Construction Black Finish That Blends With Cast Iron Pipes Includes Hard To Find Three And One Half Inch Size Cherne

Three-Inch Black Mechanical Cleanout Plug with NPT Threads
✔️ ABS glass-reinforced plug with rubber O-ring seal, NPT

This mechanical cleanout plug is designed for pressure testing in DWV systems and stacks, especially where cast-iron pipes are involved. It uses a natural rubber O-ring for a positive seal and stainless steel hardware to resist corrosion, with a black finish that blends into iron piping.

✅ Size options: 3 in (76 mm) and 3-1/2 in (89 mm) NPT threads
✅ Natural rubber O-ring provides a positive seal on damaged threads
✅ ABS glass-reinforced plastic body with stainless steel hardware
✅ Black finish blends with cast-iron pipe
✅ Single plug per package (1 piece)

💡 What is a clean-out plug used for in plumbing testing and sealing damaged pipe threads? This handy tool helps seal sections during pressure tests and protects threaded joints. Here’s a quick, handy rundown.

- Handy for sealing off sections during DWV and stack tests - Keeps leaks at bay with a positive seal on threaded connections - Works with NPT-threaded plugs and cast-iron pipe systems - Durable ABS construction with rubber O-ring for long-lasting use