Pex Stainless Steel Manifolds for a heating project, high-quality stainless steel 304 demanding applications. Inlet Sizes: 3/4", 1", NPT or BSP Port Sizes:1/2", 3/4" NPT or BSP Customized specified valves, fittings, temperature, or pressure gauges as needed.The Operating Temperature Rating for application flexibility 100% Leak tested of all manifolds Brass valves,pex-al nut,fitting OEM&ODM both available The ball valves, flowmeters, and regulators can be provided together