Product Description 9/16" x 1/2", forged brass gas heater ball valve, 1 piece body, chrome plated brass ball, CSA certified, threaded ends comply with ansi B1.20.1. From the Manufacturer Homewerks VGV-1GA-R3B Premium Gas Heater Valve, Female Thread x Flare, Brass, 1/2-Inch FIP x 9/16-Inch FL.