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Stubborn Plug at End of Main
I'm trying to remove the plug at the end of one of my mains to install a main vent. I could use some pointers!
I have a weenie 12" pipe wrench and I can't budge it. I'm afraid to go too nuts with a cheater bar because I'm afraid I might crack the Tee that it screws into. Being heating season, I'd rather not screw this up!
I've been putting drops of Kroil on the threads every day but still no luck. Any thoughts?