Designed for stronger capabilities, greater accuracy, and better performance, the Commercial Stainless-Steel Manifold handles 48 gpm total flow with up to 4 gpm flow meters, 1 1/2" distribution ball valves, and 1" loop isolation ball valves that reduce loop pressure drops without impact to pump head pressure for improved system performance, the company states. Available in loop configurations of 3-8, 10 and 12, the manifold improves installation productivity with quick, easy venting, purging and filling to help save time on projects. It features R25 connections for outlet fittings available in 5/8" and 3/4" compression or 5/8", 3/4", and 1" ProPEX (sold separately), and is backed by a 10-year warranty.