About mid-autumn, I woke up to a house that felt more like a refrigerator than a home. My combi-boiler had gone out overnight — a familiar issue when you live in Wisconsin and your city water is harder than a rock. Thankfully, it wasn’t one of those negative 20-degree mornings we can have in the winter, but it was cold enough to make me want a quick fix.
I called our local plumber, who’s become somewhat of a regular thanks to this finicky boiler. As usual, he showed up that same afternoon and diagnosed the issue: the mixing valve had stuck — again. A simple fix. But this time, he did something that stood out.
Instead of just repairing it and heading out, he took an extra few minutes to show me what to do if it happens again and he can’t get there right away. It wasn’t a full repair tutorial — more of a stopgap so we could get the heat back on in a pinch.
He could’ve easily kept that knowledge to himself. After all, every time it happens, it’s another service call. But that small act of sharing built a lot of trust — and made me appreciate his professionalism even more.
It got me thinking about how many plumbers take the time to do something similar. I’ve seen it in a few of the stories we’ve published in Plumber: techs and business owners who don’t mind showing customers how to perform simple maintenance — flushing a water heater, checking a sump pump or safely clearing a drain trap.
Some plumbers worry that if customers can do too much on their own, they’ll stop calling. But the truth is, the opposite happens. When you teach customers small, manageable tasks, you’re not losing business — you’re gaining loyalty. You’re showing them that you care more about their home and comfort than about the next invoice. And that kind of trust brings people back, time and time again.
Even better, it builds respect for the trade. When you explain why something happens — not just how you fix it — you give homeowners a new appreciation for the skill, training and expertise it takes to do plumbing right. They start to see the difference between tightening a fitting and repiping a system.
It also helps prevent emergencies. A customer who knows how to spot a leak early or test a sump pump is less likely to end up with a flooded basement. That saves them money — and saves you from a 2 a.m. callout that could’ve been avoided.
Younger homeowners, especially, value transparency. They’ll look up tutorials online whether we like it or not. Wouldn’t it be better if they learned the right way — from a professional?
So the next time you’re on a job and a customer asks what you’re doing, take a minute to explain. Show them where the shut-off valve is. Walk them through the basics. Because plumbers don’t just fix problems — they prevent them. And when you teach customers a little about their systems, you’re not just protecting their homes — you’re helping protect the future of the trade.
HAVE YOU HELPED?
Have you already been doing something like this for customers? I’d like to hear from you on how you would handle a situation like this? Email me at editor@plumbermag.com.
Enjoy this issue!
