tried spraying PB blaster, WD40, warming it, and it just will not turn. Think I may cut around the whole thing so I can get a monkey wrench on it
Plumbing – Stuck bathtub faucet stem
plumbing
Related Solutions
Yes, it should be no problem. Just use teflon tape on the threads to seal it.
I would worry though if you can't get the plug out, that the threads in the pipe won't be any good (or you'll destroy them in the process of attempting to get the plug out). If that happens, you'll need to re-thread the pipe. You should be able to rent a tool for this at your local tool rental place.
You don't mention what the pipe is, so just be prepared that you may not be able to use it until it's repaired, if you do have a problem with the threads.
Go to your local hardware store and purchase a strap wrench:
The rubber strap wraps around and grips the cover. Then you rotate the wrench anticlockwise to unscrew the cover off the tap. The strap prevents scratching of the finish which would normally occur trying to unscrew the tap with the jaws of a regular wrench. There are also regular-style wrenches with soft jaw fittings that may also be used.
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Best Answer
It looks like you have been wrenching on the wrong piece (the stem). You need to unscrew the entire assembly at the valve body. The body is deeper in the wall, if you shine a flashlight in there you will see where you need to unscrew it. It takes a special deep socket made just for that purpose:
The picture shows the person using a rod to turn the socket; you may need to put a pipe wrench on the socket to get it to break free. Ensure the water is shut off before you do this.
Pictures shamelessly grabbed off of the internet.