Using this small burner is easy. First, make sure your gas stove is turned off and cooled down. Then, carefully remove the old burner and place this new one in its position. Ensure it fits snugly. When using the burner, always keep an eye on your cooking to prevent any accidents. As for maintenance, regularly clean the burner to remove any food debris or grease. You can use a mild detergent and a soft brush. If you have any issues with the burner, don't hesitate to contact us as it's fully guaranteed. And remember, if you're not sure if it fits your model, provide your model number before making the purchase.