Section 23 21 13 - HYDRONIC PIPING - WBDG

1. From air handling units: Copper water tube, ASTM B88, Type M, or schedule 40 PVC plastic piping. 2. From fan coil or other terminal units: Copper water tube, ASTM B88, Type L for runouts and Type M for mains. D. Chemical Feed Piping for Condenser Water Treatment: Chlorinated polyvinyl chloride (CPVC), Schedule 80, ASTM F441. ................
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