You should visually inspect your fire extinguisher once a week; simply make sure the gauge indicates it is fully charged. Aside from making sure your extinguisher is ready when you need it, this reinforces its location in your mind so you don’t have to think about it in an emergency – it’s right where you left it.
Extinguishers should be professionally serviced annually by a certified technician; you can find one in the phone book. If your fire extinguisher has been used or has leaked off, you should have it refilled and recharged immediately.
Every fire extinguisher should have an in-depth inspection everysix years. During a six-year maintenance, the powder is dumped, the interior of the canister is inspected, the trigger assembly is taken apart and serviced, then the extinguisher is refilled with powder and recharged.
Dry chemical fire extinguishers need to by hydrostatically tested at 12-year intervals. This service replicates a six-year maintenance, but the canister is hydrostatically pressurized in order to test the welds. Carbon dioxide extinguishers and water pressure extinguishers require this service every eight years.
It’s a good idea to keep a fire extinguisher in your kitchen, as well as any place you might anticipate needing one, such as the garage, in your mechanical room, near the heater, or by a fireplace or wood-burning stove. You can buy a fire extinguisher at any hardware store or big box store.
Fire extinguishers aren’t really expensive when you consider the level of protection they can afford you in an emergency. When purchasing a fire extinguisher, you should consider longevity and repeated use. As a rule of thumb, a fire extinguisher with a plastic trigger and nozzle assembly is for one-time use, while an extinguisher with a metal trigger and nozzle assembly should serve you for many years no matter how often you discharge and refill it.