American Extractors 2 Angle Valves for Carpet Cleaning Wands (Brass, Globe Valve, 4 Ports, 1/2 in Inlet, 1/4 in Outlet, 1200 psi Max)
This will fit the popular 2-jet S-bend AW29 style of wand and many others including Kingston, PMF and Prochem. Compare these to your existing valve for a visual match.