Boiling means bringing water to 212 degrees Fahrenheit for cooking. But you don’t need a thermometer to boil water. The process to boil water (or any other kind of liquid) is simple, and you need to follow only a few steps: Putting water in a pot. 1Put some water in a pan or pot. Don’t fill it to the top, or the water will splash out of the pan when it boils! A pot of water on the stovetop. 2Place the pan on your stovetop and turn the burner to the highest setting. Your stovetop probably has a “Hi” or “Max” setting