WATER PIPING AND CONTROLS
C.PIPING FOR ZONED SYSTEMS
1.See Figures 3.5 and 3.6 for basic zoned system layouts.
2.Run each zone pipe down then up to zone to prevent air accumulation in piping.
3.If required, provide means to isolate and drain each zone separately.
Figure 3.5: Zone Piping with Zone Valves
Figure 3.6: Zone Piping with Circulators
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