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My department still has 2 engines equipped with John Bean High Pressure Fog and tears will be shed if they are ever decommissioned. They are great for room contents fires, especially on a daylight call when only 3 guys make the first truck out. They put out a fine mist which fills a room with steam and deprives the fire of oxygen, putting it out almost immediately and leaving zero water damage (average room takes less than 10 gallons of water to put out). Yes, steam burns are a risk, but with proper training and practice (key words there), it's highly unlikely to be a problem. Adjust the nozzle (this is the part that's most dangerous) and you have a stream of water that will vent a window from a safe distance and cut through drywall like a hot knife through butter. If someone is standing behind that wall, however, it will cut them clean in half. Yes, without proper training, it can be very dangerous. With proper training, however, it can be a safe and extremely useful tool. I am hoping that the new UHP systems do what john bean does just as well. Another key point, the guys that aren't well practiced or confident with it don't use it. We have three engines and any of the three can be first out depending on the call, the crew, and the officer in charge, as they are all equipped differently.
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