compression fitting

Hey guys! I am a DYI'er and I am generally comfortable with plumbing except the 'just feels right' parts. Compression valves are notorious for that. I have 4 copper stubouts in my new bathroom that I put 5/8 compression valves on. I got the Proflo brand from Ferguson. One thing I recognized is...

tl;dr: Removal of an over-compressed ferrule seems to have deformed copper pipe to a smaller size such that a new compression fitting slides right off, even when tightened down. A temporary Sharkbite cap is holding and not leaking. Can I just put a Sharkbite angle stop on and be done, should I...

Hello Everyone, great forum. My water heater is leaking and needs to be replaced and I'm thinking about doing it myself with compression adaptors and flexible stainless steel corrugated connectors, and a gas flex line...

Hi, I have a bathroom sink that is leaking. The issue is the compression fitting (see picture attached). I tighten it as much as I dare, but over time, the compression fitting slips (due to the weight of the p-trap ) and then it start leaking. I have addressed this temporarily by supporting the...