TECEfloor stainless steel heating circuit manifold with flow rate indicator Stainless steel heating circuit manifold, heating circuit manifold bar with large chamber volume, surface polished, sound-absorbent plastic holder with fast assembly function, with union nut 1" flat sealing. Integrated return valves with double O-ring seal on valve tappet, valve disk with O-ring sealing for permanently reliable closing of the heating circuits, flow metre with shut-off, 0.5-4 litres with locking mechanism to EN 1264-4. Sight glasses can be exchanged under system pressure, batch indication and tracking for the unique identification of the manifold, even after many years of operation (supply of accessories and spare parts). SLQ quality-monitored and tested for compatibility. Every manifold is 100 % tested for tightness and function. Made in Germany Item number: 77310009