... 3)it's suitable for restaurant ,hotel ,ects gas range with burnerModleSwitchesHeating valueBurnersSize(mm)GZML-4T4125.275btu/hr4800*900* ... ). If the flame does not light, turn the gas off (by turning the knob ALL the way to ... adjusting heat.3.To avoid burning your food, cook with butter or PAM your first time. If you ... to the left as possible to avoid gas leakage. gas range with burner(GZML-4T)