NFPA 10 requires extinguishers be inspected when they are initially installed and once a month after that. You should inspect extinguishers more frequently if they are installed in locations where they are more prone to rust, impact or tampering.

How often should fire extinguishers be inspected and recharged?

Every 30 days: All types of fire extinguishers should be inspected. Every 1 year: All types of fire extinguishers should receive maintenance, and water (stored pressure) extinguishers require a recharge. Every 3 years: AFFF and FFFP (liquid charge type) extinguishers require recharging.

When should a fire extinguisher be serviced?

According to the AS1851, fire extinguisher test and refill services should occur at the following intervals: All portable and wheeled fire extinguishers need to be tested every 6 months. Pressure testing and refills should be carried out at least once every 5 years.