The new Jomar JP-100SSG lead-free press ball valve comes with a 316 stainless steel ball and stem. This 100% Italian-made press ball valve is manufactured with the highest quality heat-treated CW511L DZR brass, has a triple stem seal and is 100% tested, the company says. Backed by a lifetime warranty, this NSF 372-certified valve is available from 1/2” through 4”. With the addition of the stainless steel trim, the JP-100SSG will stand the test of time in any water quality environment, the company notes. Jomar Valve.