...I have a handful of Kidde extinguishers at home. A few lost pressure within the first two years, but I exchanged them at the store.
Bringing back an old thread, because a situation "yesterday" (couldn't sleep...still feels like today) made this relevant again.
Back in 2005, I bought two disposable Kidde 3a-40bc extinguishers, with a few smaller 1a-10bc models (the smaller ones were recently replaced under recall). One big one lost pressure within a year, and the other a year later or so. Both clearly ended up in the red on the gauges (which I look at from time to time), so I replaced them (bought and returned, making the store RTV). A year or so later there was actually a recall for just this issue (not the recall I started a thread about with the plastic handled models, but another recall), but mine failed before the recall.
Since 2007 or so, both replacements have been hanging on their hooks, and I have never flipped or shaken them, or done anything other than occasionally flick the gauge with a finger, and both have stayed in the green.
Well, Tuesday, I happened to be home from work after doing an overnight shift, and just after finishing an afternoon breakfast, my wife said to me that she saw black smoke across the street. For a few seconds, I thought that maybe someone was starting a charcoal grill with too much lighter fluid, but within a minute, I was pounding on the door, 3a40bc in hand, waking up 5 sleeping people (and a bird) while my wife was dialing 911.
I ran up inside to the door to their 2nd story deck, saw through the glass storm door that a gentle breeze was blowing the smoke in a safe direction, and stepped out. By that point, the flames were taller than me (though that's not saying much), had spread to nearly 6 feet across the ground, were licking up the vinyl siding and were spreading across the rapidly melting astro-turf carpet on the deck.
The disposable Kidde worked flawlessly and saved the day! Powder smothered and put the flames out in seconds. Still, I emptied the entire 5.5lbs of dry chemical in the effort to get everything, and I am positive that with the size the fire had grown to by the point I got there, anything smaller (like my 1a-10bc models) would have failed.
I ran back home, grabbed the SECOND big extinguisher, and returning with it, used less than half to put out the much smaller fire that had re-lit in the vinyl gutter at the edge of the roof deck. Left behind was an inverted "cone" of smoking dirt that had once been inside a 4 gallon or so plastic flower pot. The pot was long gone, as was any remains of the dried out plant where it started. A circle of the once green astro-turf/pot/siding mixture was a bubbling black/brown oozing fluid, and the wooden deck railing was severely charred.
My faith in disposable extinguishers is still as rock solid as before. At the time I bought them, they were less than half of the price of something rechargeable, and were all I could afford. Still, I just ordered a pair of
Amerex B402T extinguishers as replacements, as they were only a few bucks more than the disposable option this time (oddly enough, the "T" model with the bracket was cheaper than the normally cheaper hanger B402 model).
My own takeaway today solidified my feelings about just having an ABC. The smoldering dirt I encountered would have laughed at a CO2 extinguisher. The molten plastic could possibly have been made worse by a water can. The powder knocked out the flames quickly, but it still took several blasts as the ooze on the ground kept re-lighting, even with the powder melting onto its surface as it is meant to work.