Test-Tite Test-Tite 83689 Flush Mechanical Cleanout Repair Plug, For 3-1/2-Inch Pipe

Specifically designed for use in cast-iron fittings where the threads have been damaged, the Test-Tite Flush Mechanical Cleanout Repair Plug restores functionality to cast-iron cleanout tees. This cleanout plug features an innovative design that creates a seal with the smooth surface behind the damaged threads to provide an airtight seal. Compatible with all brands of cast-iron fittings, this repair plug sits completely flush inside and out of the tee and cannot fall into the pipe. Once installed, it creates an airtight seal that holds up to 50 feet of backpressure. A stainless-steel flathead screw and wrench are included.|Mechanical cleanout repair plug designed for cast-iron fittings with damaged threads|Sits flush inside and out of the tee and seals behind the threads|Creates an airtight seal that holds up to 50 feet of backpressure|Cannot fall into the cleanout pipe|Includes a stainless-steel flathead screw and wrench|Cannot fall into the pipe|Comes with 516" wrench