Mainline blockage, there is a 4" clean-out behind the house, it is on septic and is a short run. I run a retrieving auger on a 3/4 cable and pull out the hub of a wax ring. The line is still blocked, run the cable again hit a wall, can't pass it,change to cutter head and same thing it will not pass. There was a test plug in the clean-out, the kind with the butterfly nut that tightens the two washers. The washer that goes to the inside of the pipe is missing, thats what I think is lodged in a fitting causing the blockage. I got some nylon string and tied it to a magnet (25lb), taped the sides so it won't grab to the sides of the cast iron pipe, but its not going in all the way. The next plan is to attach it to my cable and push it to the washer and pull it out. I can't access the line from the septic tank and if this doesn't work, may have to dig up the line cut the pipe and push up towards the clean out. I suspect a poured concrete coupler, which would pose a problem. I'll get back on this tomorrow, the house is vacant, but is a weekend rental. Any other ideas?
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