RS-4B Luus 4 Burner OvenLuus static ovens feature a thick mild steel sole plate to ensure even heat distribution, while 28mj open burners fitted with flame failure deliver performance and safety. The RS 4B includes four open burners plus static oven, and at only 800mm deep they are ideal for small spaced kitchens. Open Burners Nickel plated cast iron 28 mj dual flame ring burners Flame failure device standard (pilots optional extra) Variable flame control valve with low