Using this large burner is easy. Just install it in your compatible Chef gas stove or oven according to the instructions that came with your appliance. When using, make sure the gas supply is properly connected and turned on. Before lighting the burner, double - check that there are no gas leaks. As for maintenance, clean the burner regularly. You can use a mild detergent and a soft cloth to wipe the aluminium parts and the brown enamel cap. Don't use abrasive cleaners as they might scratch the surface. Also, keep an eye on the burner's performance. If you notice any issues like uneven flames or poor heat output, it might be time to have it checked. Remember, once this item is sold, it won't be available again, so take good care of it.