Any tips on how to un-stuck a very tight (and old and rusty...) plumbing
valve from it's nipple? It is orig plumbing and house is 45 years old.
Valve is leaky so I have no choice but to redo plumbing.
Heat the valve with a torch; it will expand slightly and let go
If saving the nipple is a must, saw thru the valve body where the
are. Saw lengthwise (direction of the pipe) or as near to that as you
Don't saw *into* the pipe threads, just right up to them. Then split
valve body with a cold chisel or maybe just a screwdriver twisting in
sawed slot. You only need a tiny bit of "give" to be able to unscrew
Spray all surrounding woodwork with water. Keep your sprayer on hand,
just in case... Shoot the joint with Liquid Wrench. Apply flame from
a propane torch to the *female* half of the joint, and it'll expand and
break free of the nipple.
Note that pipe threads are cut tapered. If you can turn a fitting
1/4 turn with a wrench, you can turn it the rest of the way (hopefully)
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