13
DIR #2000577555
ZONE PUMP
BUFFER TANK
AUTOMATIC AIR VENT
ZONE SUPPLY
ZONE RETURN
APW WATER HEATER
Figure 3-6 Multiple Units with Boiler Side Buffer Tank as a Zone
Please note that these illustrations are meant to show system piping concept only, the installer is responsible
for all equipment and detailing required by local codes.
NOTICE
3 Hydronic piping (continued)
Indirect Plate Water Heater Installation & Service Manual
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