Make sure your reciprocating saw has a metal cutting blade before you turn it on otherwise you re in for a difficult.
Drain clean out cap stuck.
Https amzn to 3lszden make your own sewer.
After this i used the cut off wheel to slice away portions of the cap until i could get near the inner.
I let the water drain out then i cut out the nut using a metal cut off wheel rotozip.
Once it s safely removed use the old fitting as a guide to cut a replacement section of pipe and clue up a new.
Open the cap and let the buildup drain out quickly open the cap and step out of the way.
Heat the cleanout plug and fitting clean away any.
Https amzn to 354hhrh plumber s pipe wrench.
Use a pipe wrench to loosen the cap on your main line drain pipe before you open it entirely.
Slide both couplers onto the old pipe then slide the vertical.