Trouble replacing shower cartridges and seat; hot water seized up

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canwill

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Hi all

My bath tub has a cuthbert faucet.

About 4 months ago the hot water began leaking. No matter how hard it was turned, it leaked. I should have fixed it then.

Based on what I found online it seems this is often caused by a washer wearing out on the cartridge or the seat getting damaged.

I bought replacement seats and cartridges finally after the hot water seized completely about 5 days ago and I couldnt shower. With much strain I got the cold water taken apart (tight as hell).

The hot water seems immovable. I ended up buying some PB Blaster (penetrating lubricant) and shot it in around the face of the cartridge and let it sit hours and even up to 24 hrs. I tried to loosen it but still stuck.

It began stripping (I stupidly used adjustable wrench) so out of fear I picked up a 13/16" combination wrench hoping it wouldn't strip, but even that is starting to strip it.

I don't think the damn thing has moved one bit.

Do I need to hire a plumber to knock into the wall and cut the pipe? Any last suggestions?
 
I looked up the stem for that . Pretty basic.

I bought one of these gator grip sockets, but have not tried it yet.
They may have a bigger one than I have.
Mine goes up to 3/4" Got it at the Big Depot Store

Looks like it might grab anything stripped out.

Make sure the stem is open. If you have it closed, Its locked against the seat.
.

I have seen a few DIY'rs blow out the seat in the valve because they did not open the stem to release contact with the seat.

gator grip.jpg
 
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