Fire extinguishers are one of those things we install, mount on the wall, and then… forget about. Out of sight, out of mind. But here's the thing — in New Zealand, fire extinguishers have a legal test requirement, and many business owners and homeowners simply don't know about it.
Here's what you need to understand.
Fire Extinguishers Have a Test Due Date
Under New Zealand law (Health and Safety at Work (Hazardous Substances) Regulations 2017, Schedule 22), fire extinguishers are classified as pressure vessels and must be hydro-tested every 5 years from the year they were manufactured.
A hydro-test is a pressure test that checks the structural integrity of the cylinder — essentially making sure it is still safe to use and won't fail when you need it most.
This isn't optional. It's a legal requirement.
How Is the Due Date Calculated?
This is where it gets straightforward. The 5-year period is based on the year of manufacture, not the specific day or month. That means you have the entire calendar year following the 5-year anniversary to have the test completed.
A practical example: A fire extinguisher manufactured in 2024 has until the end of 2030 to be hydro-tested — that's the calendar year after the 5-year mark. As long as it has been regularly serviced, it can remain in service right up until then.
This gives you a clear and simple timeline to work with when managing your fire safety equipment.
What If It Looks Damaged?
The 5-year rule assumes your extinguisher is in good working condition. If at any point your extinguisher looks damaged, corroded, or in poor physical condition, don't wait for the due date — get it tested or replaced immediately.
A compromised cylinder can be dangerous. If there's any doubt, act straight away.
What Should You Do Right Now?
It's simple. Check the manufacture date on your fire extinguisher — it will be stamped or labelled on the cylinder. From there, count forward 5 years and make sure it's booked in for a hydro-test within that window.
If you're not sure when it was made, or it's been a while since anyone looked at it, get it checked now. A few minutes of attention today could make all the difference in an emergency.
> Health & Safety at Work Schdule 22
