Kitchens are hot, greasy and busy. Throw in a fryer, a gas burner and a chef in a hurry, and you've built the ideal habitat for a fire. more help That's why fire extinguisher services in food businesses aren't a nice extra. They're as basic as a clean knife.
Grease is a different beast
A normal powder extinguisher might knock a pan fire down for a moment, then the oil reignites. Deep fryers run scorching hot, and on a bad day the oil sits right near its flash point. That's the reason kitchens use wet chemical units. The agent reacts with the hot fat and forms a soapy blanket on top, cooling it and sealing it off from air. It's slightly magical. Have your technician confirm that what's on your wall suits your fryers.
Check the hood system too
Many commercial kitchens have fixed suppression systems over the cooking line, tied to nozzles in the hood and ducts. Those need their own servicing, apart from the handheld units. Grease builds up in ducts like cholesterol in an artery. A technician checks that nozzles aren't clogged, links are intact and the gas shutoff fires as it should. If you can't recall when that was last tested, you have your answer.
Placement in a busy kitchen
Mount the unit close to the exit from the cooking area, not next to the fryer. If the fryer's on fire, you can't reach something fixed right beside it. Staff need a clear line, so no pallets and no mop buckets. A sign at eye level helps new hires, who are often the ones standing closest when it happens.
Teach everyone
Run a ten-minute session whenever someone new starts. Walk through the four steps: pull, aim low, squeeze, sweep. Let them hold one. Explain what not to do, especially throwing water on oil. One cook once told me he'd "seen it work on telly". Telly isn't a fire code. Also drill the evacuation route, since customers look to staff for cues.
Paperwork the inspector actually asks for
Keep dated service tags readable and copies of reports on file. Health and fire inspectors love paperwork nearly as much as they love a spotless pass. So do insurers. A recurring booking keeps everything current and spares everyone from babysitting a calendar.
After a flare-up
Even once the flames are out, tell your provider. Any discharged unit needs recharging, and the hood system may need resetting. Have the kitchen checked before you start serving again. Small incidents cost less to fix while they're still small.