Cooking oil and grease fires burn differently than ordinary combustible fires, which is why kitchens need a Class K extinguisher in addition to standard coverage rather than instead of it.
A standard ABC dry chemical unit isn’t rated for the high-temperature oil fires a fryer or flat-top can produce. Class K units use a wet chemical agent designed specifically for that scenario, and they’re required alongside, not as a replacement for, the ABC coverage the rest of the kitchen and dining area need.
Placement in a commercial kitchen has to account for both NFPA 10’s travel distance rule and quick access near the actual cooking line, where staff need to reach a unit without crossing the kitchen during an active fire.
This usually means a Class K unit mounted close to the cooking equipment itself, with additional ABC coverage for the dining room, storage areas, and back-of-house spaces. Downtown Fort Myers’ restaurant district, in particular, tends to have tighter kitchen footprints than newer builds in South Fort Myers, which makes correct placement even more important given the limited wall space to work with.
Restaurant extinguishers follow the same annual inspection requirement as any other commercial property, though the kitchen environment tends to accelerate wear on units mounted near heat and grease.
Grease buildup and heat exposure near the cooking line can affect a unit’s condition faster than one sitting in a dry storage room. That’s worth factoring in if your kitchen extinguisher looks worse for wear well before its annual inspection is due.
Class K and standard coverage, sized and placed for your kitchen layout.