Caleffi’s TwistFlow design allows for easy fingertip balancing. This pre-assembled radiant manifold consisting of return distribution manifold complete with built-in shutoff valves is suitable for thermos-electric actuator and supply distribution manifold complete with built-in site flow meters and balancing valves with 2” gauges 30 - 210° F scale. 1” or 1 1/4” NPT inlet ball valves available.  Caleffi North America  •  www.caleffi.com