Using this simmerstat control is easy. First, make sure your stove is turned off. Then, install the control according to the standard installation process for your stove model. Connect the wires carefully, following the wiring diagram. When using, simply turn the control to adjust the heat on your hotplate. Remember to turn off the control when you're done cooking. As for maintenance, keep the control clean by wiping it with a dry cloth regularly. Avoid using abrasive cleaners that might damage the surface. If you notice any problems like unusual noises or the control not working properly, turn off the stove immediately and contact a professional for repair. This product is suitable for many older stoves, but always check with us using your brand and model number to ensure it's the right fit for your appliance.