Honestly, I’ve lost count of how many times I’ve had to crawl under a sink just to swap the supply lines because someone didn’t pay attention during install. It’s always the same—tenant calls, says the hot’s on the wrong side, and sure enough, it’s a five-minute job if you’re already down there. I always double-check the cartridge orientation too. Saves me from getting those “my water’s backwards” texts at 10pm. It’s wild how something so minor can cause so much hassle down the line...
Had a similar headache last winter—installed a new bathroom faucet, triple-checked the lines, and still managed to mix up hot and cold. My wife turned it on and nearly scalded herself. Now I label everything with tape before I even start... not taking chances again.
Been there—swapped out a kitchen faucet once and somehow got the hot on the right, cold on the left. My brain just refuses to accept that setup. Now I double-check with a quick touch test before tightening anything down... saves a lot of grief.
I swear, whoever decided hot should always be on the left must’ve had a thing for consistency. I get why it’s code, but when you’re doing it yourself and not paying attention, it’s way too easy to mix up. I’m all about double-checking—burned myself once because I assumed the “usual” setup and got a surprise. Honestly, I’d rather spend an extra five minutes testing than risk scalding my hand or having to redo the whole thing. Not worth the hassle or the hospital bill...
Yeah, the whole “hot on the left” thing is one of those standards that makes sense until you’re crawling under a sink and realize the pipes are reversed or someone did a DIY job years ago. I get why it’s code—consistency helps, especially in emergencies—but you’re right, it’s way too easy to get complacent. I’ve seen folks swap the supply lines without thinking, then wonder why their shower’s backwards.
Here’s my quick check: before buttoning everything up, I always turn both handles and let them run for a few seconds. Even if it seems obvious, habits can trip you up. And about the handles turning opposite ways—some older setups have hot turning counterclockwise and cold clockwise, but newer single-handle faucets can be totally different. It’s not just about which side is which; sometimes the actual direction gets flipped too.
Honestly, I’d rather spend an extra minute testing than deal with a scalded hand or angry call-back. Plumbing surprises are rarely fun...