Did you ask the inspector? How high of a temp rating is the closed cell good for?
You are probably pumping more than the well can recover
What does it connect to?
Home Depot or Lowes. If not, your local plumbing supply store.
don't use it
buy a coupling
Pictures of what you have would help
Maybe it has deteriorated over the years
CALL YOUR LOCAL HEALTH DEPT
Start with the brand of the cartridge.
Do you want it done or done right? The wall will have to be opened up.
Now you have opened up a whole new case of can of worms. You will like have problems with your faucets. Don't drink the water or shower. Pipes...
Are you on well water? City water? Many things can effect the seal.
I don't know that pliers is going to work. Try just plucking at it with a thin pocket knife.
Did you check the back side of the handle? If not, CT18 is correct. It's behind that red and blue plug
It also depends on the gauge of metal. Chemical composition of water. If it was in for 25 years, count yourself blessed.
Better off using something like this. They come in a variety of sizes.
Either way if you use one that glues or one with a gasket it should go on the pan first. I am assuming it is a fiberglass or acrylic shower pan....
Call GE tech suppport
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