stop valve

Hello, I need to substitute the cartridge of my old Moen pull-out shower handle that has become so hard to push back in that in the last attempt I broke the faceplate. The problem is that I live in a condo and I can't switch off the water to my apartment without affecting the whole column (which...

I bought a cheap bidet. I need to child-proof it, and it drips. I want to address both with an in-line 1/4 turn shut off valve. The bidet came with a valve that split the cold water above the shut-off. It's a replacement toilet so the connection above the shut-off wasn't a compression one...

After seeing Terry's advice to always replace corrugated supply lines, and the info about sleeve pullers, I thought I'd replace the one on the downstairs toilet where I replaced the fill valve but not the supply line. It wasn't leaking and it worked fine so I took a good look at it. I discovered...