What should you do with a fire extinguisher that is out-of-date?

The most appropriate action for an out-of-date fire extinguisher is to send it out for hydrostatic testing. This testing is critical to ensure the integrity and functionality of the extinguisher, as it checks for leaks and evaluates the pressure inside the tank. Fire extinguishers have specific service intervals mandated by safety standards, including NFPA guidelines, which require them to be tested regularly to ensure they are capable of operating effectively in an emergency.

If the extinguisher has reached its service life or is found to be unfit during testing, it will need to be replaced or serviced according to the established procedures. Regular maintenance and testing are essential for fire safety, and hydrostatic testing is an important part of this process.

Other responses do not align with recommended safety practices. Simply recharging an out-of-date extinguisher may not address underlying issues that could compromise its effectiveness. Discharging its contents and recycling it might also lead to waste without verifying whether it can still be functional after testing. Continuing to use an extinguisher that is out of date, particularly if lacking proper inspection, may pose a significant risk during a fire emergency.