When your boiler stops working, you might think any plumber, a tradesperson trained to install and fix water systems can step in. But here’s the truth: boiler repair, the process of diagnosing and fixing heating systems that use gas or oil isn’t just about pipes and leaks. It’s about gas safety, combustion, pressure systems, and legal certification. A regular plumber who works on sinks and showers can’t legally or safely fix your gas boiler, a heating unit that burns gas to warm water for radiators and taps. Only a Gas Safe registered engineer has the training, tools, and legal right to touch it.
Why does this matter? Because a faulty boiler can leak carbon monoxide—colorless, odorless, and deadly. That’s not a risk you take with a handyman or a plumber who’s never done boiler work. Even if they say they’ve "done a few," if they’re not Gas Safe registered, they’re breaking the law and putting your family in danger. The boiler service, a professional inspection and maintenance routine to keep a heating system running safely and efficiently isn’t just a nice-to-have—it’s required annually by law in most cases. And if your boiler isn’t heating, the problem could be anything from a blocked flue to a failed ignition system. These aren’t fixes you Google your way through. They need expert diagnosis.
So what do you actually get when you call the right person? A full check of your boiler’s pressure, gas flow, heat exchanger, thermostat, and safety valves. They’ll clean components, test for leaks, and make sure your system meets current safety standards. They’ll also tell you if it’s time to replace it—because sometimes, fixing an old boiler is like patching a sinking boat. You’ll find real stories in the posts below about people who called the wrong person, wasted money, and ended up with no heat in winter. Others saved hundreds by catching a small issue early with the right expert. Some thought their boiler was broken when it was just a tripped reset button. Others ignored strange noises until it failed completely. This collection gives you the facts: who to call, what questions to ask, what repairs are worth it, and when to walk away. No fluff. No sales pitches. Just what actually happens when your boiler breaks down—and how to handle it safely and smartly.
Not all plumbers can fix boilers. Only certified gas technicians can safely handle gas boilers in New Zealand. Learn when to call a plumber versus a boiler specialist to avoid danger and costly mistakes.
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