Hot water supply (HWS) and hot water return (HWR) lines connect to the tubing manufacturer's manifold for distribution to individual radiant tubing loops. Each loop incorporates a balancing valve for flow adjustment to scheduled rates, with typical shut-off valves and an automatic air vent located at the high point. One-half inch radiant tubing is installed per manufacturer recommendations in equivalent lengths within five percent of each other.
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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