When purchasing replacement parts for your Sunray cooktop:

When replacing parts on your Sunray cooktop:

The distributes gas from the main supply line to each burner valve. Each burner has a small orifice (a precisely drilled brass fitting) that meters the correct amount of gas. If you’ve converted your cooktop from natural gas to LP (propane), the orifices must be swapped. Using the wrong orifice size leads to dangerous flames—too large or too small.