I've heard brass is usually better, but is plastic really that unreliable? I mean, was it just a bad fitting or do they all eventually crack like that? I'm still learning, so genuinely curious if there's ever a scenario where plastic fittings behind drywall could be okay. Also, how long did it take you to pinpoint exactly where the leak was coming from? Sounds like a real pain...
Plastic fittings aren't always a disaster waiting to happen, honestly. I've heard plenty of folks who've had them behind drywall for years without issues. Maybe yours was just a bad batch or installed a bit off? Plumbing leaks can be tricky—took me almost two days once to figure out exactly where mine was coming from, crawling around with a flashlight and all. Hang in there, you'll get it sorted eventually... DIY plumbing is definitely a learning curve.
I've had plastic fittings behind drywall for about 4 years now, no leaks yet... but honestly, I still check them every few months just to be safe. Learned the hard way once—small drip turned into a big headache overnight. Better safe than sorry with plumbing stuff.
Good call checking regularly—seen plenty of hidden leaks turn drywall into mush. Plastic fittings can hold up fine, but they're more sensitive to overtightening or stress from improper installation. If you're ever behind the wall again, consider brass or copper fittings for peace of mind. They're pricier and a bit trickier to install, but they handle stress better long-term, especially if your plumbing sees temperature swings or pressure fluctuations. Just my two cents...
Yeah, plastic fittings can be fine if you're careful, but I've seen them crack from just a bit too much torque. Brass is definitely sturdier—worth the extra hassle if you're already back there anyway. Good luck with the project... plumbing can be tricky stuff.