Ambiente 413 Series UFH Manifold The 413 Series manifold is the world’s leading Stainless-steel Underfloor Heating manifold wholly engineered and produced in Germany. Some of the key features are: Stainless Steel Manifold Bar ¾” BSP Manifold take offs 1” Manifold bar connections – for ball valves or CircoMax Pumpsets Compact port layout – meaning manifolds fit in smaller spaces 200mm Centre bar design The most robust/accurate flow meters in its category Lightweight as mostly stainless-steel components Manual air vent and pressure gauge