Hot water supply (HWS) and hot water return (HWR) lines connect to the tubing manufacturer's manifold with balancing valves integral to each loop typically. One-half inch radiant tubing loops install per manufacturer's recommendations with equivalent lengths within five percent of each other. An automatic air vent installs at the high point with shut-off valves typically.
HWR HWS A AUTOMATIC AIR VENT AT HIGH POINT SHUT-OFF VALVE, TYP. 1/2" RADIANT TUBING. INSTALL PER MANUFACTURER'S RECOMMENDATIONS. LOOPS SHALL BE EQUIVALENT LENGTHS (WITHIN 5% OF EACH OTHER). TUBING MANUFACTURER'S MANIFOLD SEE PLANS FOR CONTINUATION BALANCING VALVES INTEGRAL TO MANIFOLD FOR EACH LOOP, TYP. BALANCE TO SCHEDULED FLOW
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