The Imperial 1171 range timer knob provides a manual interface for operating the timer control on compatible commercial ranges. Turning the knob allows the operator to adjust the timer according to the settings provided by the equipment’s control assembly. A correctly matched knob supports convenient operation and proper engagement with the timer shaft. Before ordering, compare the pa... https://partsfe.com/timer-knob-for-imperial-part-1171/1-1171.html