Using this ignition switch is easy. Just press the black momentary pushbutton to turn on the burner ignition circuit of your compatible Chef or Westinghouse gas stove. Before purchasing, make sure to check if it fits your stove model. If you're not sure, contact us with your full model number and PNC code. When installing, ensure that the 2 X 4.7mm spade terminals are properly connected and the switch is mounted in a 20mm hole. As for maintenance, keep the switch clean and dry. Avoid using abrasive materials when cleaning. If you encounter any problems, don't hesitate to reach out to us. With our 25 - year experience in supplying appliance parts, we'll do our best to assist you.