Caleffi – 6686M5S1A IN Assembly Complete with built-in sight flow meters and balancing valves with 2″ gauges 30—210°F scale. Pre-assembled radiant manifold consisting of return distribution manifold complete with built-in shut-off valves suitable for thermo-electric actuator and supply distribution manifold. 1″ or 1 1/4″ NPT inlet ball valves. Temperature gauges. Loop
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Cv 123 (Combined Supply Return Ports)
