Reply by Jim Crockett (USN Retired)

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Posted on Fire extinguishers

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Jim Crockett (USN Retired)

852 posts in 4374 days

#1 posted 04-19-2010 08:15 PM

I have an extinguisher above my workbench and one in the kitchen. Both are at least ten years old and both have gauges that still show fully charged. I’ve done some research on the net but can’t find any definitive information regarding when you should replace one of the dry chemical types. Technically, they should last forever if they don’t leak since they are hermetically sealed. My best guess after all I’ve read is that they should probably be replaced after ten years or earlier if the gauge shows reduced pressure but that’s just a SWAG (Scientific Wild-Assed Guess).


-- A veteran is someone who, at one point in his/her life, wrote a blank check made payable to "The United States of America," for an amount of "up to and including his/her life".

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