Controls the water temperature and flow of fuel gas to the burner | Be sure to always search using the serial number of your water heater to make sure you select the correct gas control Includes (1) AP16313 Pilot Adapter - SIT Gas Control To W/R Pilot | Made of durable steel and plastic | Temperature controlled by convenient adjustment knob Made of durable steel and plastic | Temperature controlled by convenient adjustment knob | The part is required anytime the cag control is damaged or needs replacing Water heater parts and accessories should only be installed by qualified technicians. Supplying Demand replacement parts are compatible with Major Brands, but you should always verify fitment with your specific application.