Thunder Group's 50 cup Rinnai Rice Cooker (RER55ASN) is great for restaurant use because it makes 100 bowls of rice in 22 minutes, and keeps it warm for hours. The preparation of rice has traditionally been a cooking process which requires time-consuming attention to ensure the rice is cooked properly. This rice cooker will simplify the process by automatically controlling the heat and timing, while freeing up a heating element on the range. A rice cooker is a great way to allow the chef to focus on more pressing culinary tasks. Simply add the correct amount of rice and water to this cooker, turn it on, and walk away! This gas rice cooker has a piezo pilot ignition and runs on natural gas.