Using this hotplate simmerstat control is easy. First, make sure your stove is turned off. Locate the old control switch and remove it carefully. Then, use two screws to mount this new control switch in place. When you're using your stove, you can adjust the heat smoothly with this control. Here are some things to note. If you're replacing a Smeg part, you'll need to cut the shaft shorter. Always turn off the power before installation or any maintenance. For maintenance, keep the control switch clean. Wipe it gently with a dry cloth regularly. If you notice any issues, such as the switch not working properly or strange noises, stop using it immediately and check for loose connections or other problems.