Verona WALL HUNG GAS BOILER - Manual (Page 28)

14. Piping Cont.
14.2 Primary – Secondary Piping with Zone Valves:
All external piping components are to be supplied by the installer.
It is very important to use an hydraulic separator before secondary circulators.
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zone
valve
zone
valve
zone
valve
Secondary Circulator
Supply Lines
to System
Zone Valve
Return Lines
from System
Hydraulic Separator