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Tree roots got into my 1965-era iron sewer pipe so I'm replacing everything from the house to the street with 4" Schedule 40 PVC. I've trenched out to the City main and it appears that the connection of the old sewer line was made with concrete. How do I make the new connection? Chisel out...

Hi, I was replacing a CPVC shutoff under the sink and turned off the house water supply first. I cut off the old valve and let the water run out of the pipe and dried everything. I created an assembly of a coupler, a 3 inch extension and the new valve (to allow enough stub for another...