THEWORKS® 1/2 in. FIP x FIP Brass Threaded Gas Ball Valve is designed to control the gas flow to indoor gas appliances. It is ideal for both residential and commercial use, and can be used for a variety of equipment, such as gas stoves, fireplaces, water heaters, boilers, furnaces, etc. Made of solid brass, this gas valve is built to last. With a 90-degree turn, you are able to shut off the gas supply safely and securely.