The Star Manufacturing - 6124RCBF - Star-Max® 24 inch Radiant Gas Charbroiler fits easily on most countertops and is fueled by natural gas, although it can be converted to use propane instead. The cast iron grates help to provide an even cooking surface that may be positioned flat or on a gradient for whatever the situation needs, and its high-capacity water pan is easily removed for quick cleaning. The 2 3/4 inch backplate helps to prevent surrounding areas and walls from splatters, and the Star-Max® 24 inch Radiant Gas Charbroiler (6124RCBF) comes with pilot quick start, so there’s no wait when activating the unit. The 6124RCBF is UL-EPH listed.
Please see the link below for this charbroiler that uses lava rocks... https://www.etundra.com/restaurant-equipment/countertop-cooking-equipment/char-broilers/star-manufacturing-6024cbf-star-max-24-in-lava-rock-gas-charbroiler/