For griddles, a flame sensor is an important safety feature in the field of catering equipment. The main purpose is to sense the presence of a flame and to shut off the gas supply as quickly as possible if the flame goes out. This important function greatly reduces the danger of gas leaks and possible fires and helps to make griddles natural and safe. Flame sensors, which come in meta... https://www.partsfe.co.uk/grill-parts/flame-sensors