Had a similar situation last winter—friend’s place, pipe burst in the laundry room. He had no clue which valve did what, so we ended up shutting off water to the whole house while we figured it out. Not ideal. I get wanting extra shutoffs, but there’s such a thing as too many, especially if nobody labels them. Ever seen those old houses where every previous owner added their own “system”? Total guessing game. Curious—anyone ever tried those color-coded tags, do they actually help or just add to the chaos?
Color-coded tags can actually make a big difference—if you use them right and keep things consistent. The problem I see most often is people slap on a bunch of tags but never update them when plumbing changes, or they pick colors that don’t mean anything to anyone else. If you’re going to add shutoffs, just make sure each one is clearly labeled, either with tags or even a simple marker. Too many unlabeled valves just turns an emergency into a scavenger hunt. I’ve seen basements with half a dozen random shutoffs and nobody knows what any of them do... not helpful.
I get where you’re coming from about color-coded tags, but honestly, I’ve found that just sticking to a simple written label works better in the long run. I tried the color thing a few years back—red for hot, blue for cold, green for outside lines, etc.—but after a couple plumbing projects and a few years, I couldn’t remember what half the colors meant. And my wife? She never knew in the first place.
Now I just use a permanent marker and write right on the pipe or valve: “kitchen sink shutoff,” “main water,” “sprinkler line,” that sort of thing. It’s not fancy, but it’s clear, and nobody has to guess. If something changes, I just cross it out and write the new label. Not as pretty as tags, but way less confusing when you’re in a hurry and water’s spraying everywhere. Maybe it’s not for everyone, but it’s saved me a headache or two.
I get what you mean about the color codes fading into confusion over time—I've run into that on job sites more than once. Written labels are definitely the most straightforward for anyone stepping in, whether it's a homeowner or another tech down the line. One thing I've started doing is using paint pens instead of regular markers; they hold up better if there's condensation or leaks. I’ll sometimes add date tags too, especially if it’s a valve that gets swapped out now and then. Not as pretty, sure, but when you’re trying to find the main shutoff at 2am, clarity wins every time.
Paint pens are a solid idea—never thought of that, but it makes sense with all the moisture around pipes. I’ve had to squint at faded marker labels more times than I care to admit. Date tags are smart too. I’ll admit, I used to care more about making things look tidy, but after a couple late-night emergencies, I’m all for whatever gets the job done fast. Clarity over aesthetics, every time.