• Visual flow gauges (GPM) for each circuit on supply side, flow gauges have internal polymer cages to prevent build up of debris, can be used for individual circuit isolation and have an accuracy of +/- 10% Circuit balancing/isolation valves on return side Two-1 in NPT supply and return manifold isolation valves with thermometer housings, two-mini thermometers included Two-air vent/boiler drain valves with manual air vent and 3/4 in GHT hose connection Manifold circuit chart Vent key and key holder

Pre-assembled and factory pressure tested. For use with 10.1 mm and 3/8 in, 1/2 in, 5/8 in and 3/4 in. RauPEX pipes using Rehau® manifold connections (sold separately). Compatible with manifold valve actuator (Article 260166). May be mounted in any orientation (e.g., inverted, horizontal and more).