Yes I did this no problem. I have a pulling tool but I don't pull the old one unless it doesn't work out.There is always a new ferrule and nut on hand, since they come as part of the new supply stop, shutoff valve, whatever.
Some are compatible with the old parts, but not always.
But most often I find myself jammed upside down in a tiny vanity, wedged into a small door opening and begging for a quick death.
Or stuck in a kitchen sink cabinet with a disposer and drain plumbing taking up all my elbow and head room.
Or working behind a toilet, dealing with replacing a supply valve that was installed 40 years ago, when there was no toilet in the way, or piss on the floor.
So if leaving the old ferrule and nut is ok, I do it.
Clean it up with vinegar and a plastic scrubbie sponge, install new valve, crank it tight.
If it leaks, crank tighter, if still leaking I change the old nut and ferrule.
I've tried 'em all. I'm not a professional plumber, but I am a tool junkie, and this puller was the best $40 (gasp!) (but only 20 minutes' work for the plumbers in my area) I'd spent in a long time. Used it a few times, HAD to use it once (clearance issue), worth every penny. Only place I've found it is direct from the manufacturer: http://englishtoolco.com/.I am usually not a fan of the you tube type videos, but I too liked it, and might look for this ferrule remover. I've seen the guillotine type, done the hack saw trick, but I like this type the best, since short clearances don't obstruct the operation.
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