3.8" - 4.06"
No. Leave the plug intact and just loosen before inserting into the pipe. Then tighten the nut to expand the rubber and create the seal.
That information is proprietary - please contact Oatey Technical for more information.
No because you would lose the force that expands the plug
Oatey manufactures a specific cleanout plug for this application - Model # 270188 and it can be found on our website www.oatey.com in category 19.
This has a usage range of 3.8" - 4.06", please reach out to Oatey Technical at 1-800-203-1155 if your specs don't meet these guidelines.
Normal stack pipe pressure.
I have this same issue when it rains really hard. Do you use this just when it rains heavy then take it out? Does it work? My ground water drains through this also instead of running a pump, so I only need to plug when it rains heavily.
It will work on metal or P.V.C.
Depends on local housing codes. Check with your city.