Stainless-steel manifolds feature isolation valves, balancing valves with flow meters, supply and return ball valves with temperature gauges, and come fully assembled, ready for installation. Targeted for commercial and residential radiant heating and cooling applications, the manifolds are available in 1 in and 1-1/4 in sizes. All manifold supply and return ball valves feature 1 in NPT thread except for 1-1/4 in manifold assemblies with 8, 10 and 12 loops which feature 1-1/4 in NPT.