16
5 - HYDRONIC PIPING
FIGURE 5-4 - Primary/Secondary, Zoned, WITH ZONE VALVES, (Optional) Indirect Tank
T & P Relief
Valve to
Drain
Cold
Water
Supply
Optional
Indirect
DHW Tank
BOILER
Make-up
Water
Supply
Tank
Sensor
CH /System
Pump
ASME
Relief
Valve
1
DHW Pump
1
12” (305mm) Maximum
Separation
Note
Note
* Manufacturer requires all domestic
hot water (DHW) installations use
an anti-scald valve. Local codes
may require additional equipment
(expansion tank, relief valves,
etc.) Select and size equipment
to suit installation and meet code
requirements.
Note
Use external pump relay or Argo Zone
Control to interface system pump to boiler.
* Hot
Water
Supply
Tempered
S
P/N 240011654, Rev. C [06/08/2017]