Smartfort 30 Built-in Gas Cooktop, 5 Italy SABAF Sealed Burners Gas Rangetop. The thermocouple flame-out failure divice system(FFD). All the burners of this embedded gas cooktop are world-class burners manufactured by sabaf, Italy. They provide high-performance combustion efficiency to save more gas and reduce carbon monoxide emissions for environmental protection. In order to ensure the safety of you and your family in emergency, Smartfort gas cooker is equipped with thermocouple flameout failure device system (FFD). If no flame is detected, the system will automatically shut down the gas. 2 Convertible Gas Supply? This dual fuel gas hob is designed for natural gas and liquid propane. The initial setting is for natural gas, and there is a conversion kit for propane. The automatic electric pulse ignition uses a 110V AC power. The surface of the gas cooker is made of 304 stainless steel, which is stain resistant, heat-resistant, discolored, and easy to clean. It is equipped with an anti melting metal knob to prevent melting and cracking; heavy cast iron grille, passing the salt spray test, can be safely put into the dishwasher for cleaning.