Quote:
Just as a matter of safety, you should REPLACE your fire extinguisher every 2 years (at minimum). On boats this is a Coast Guard requirement. It may show sufficient charge. But the contents will lose their effectiveness.
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Did you leave a 1 (one) out before the "2". Never heard of a 2 year replacement requirement anywhere, it's certainly NOT required by the Coast Guard rules or any other statute that I have ever seen.
Since most are CO2 extinguishers, how do they lose their effectiveness if that haven't leaked the charge?
"According to the National Fire Protection Association (NFPA) standards adopted by most federal and state safety agencies, a non-rechargeable fire extinguisher must be removed from service, discarded and replaced with a new unit every 12 years, unless the manufacturer specifies an earlier expiration date."