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FIGURE 5-4 - Primary/Secondary, Zoned, WITH ZONE VALVES, (Optional) Indirect Tank
Optional
Indirect
DHW Tank
DHW Pump
CH /System
Pump
Make-up
Water
Supply
* Manufacturer requires all domestic
hot water (DHW) installations use
Note
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.
12" (305mm) Maximum
Note
Separation required if Labor
1
Saver is NOT used.
Refer to pump manufacturer
literature for proper pump sizing.
5 - HYDRONIC PIPING
S
Tank
Sensor
T & P Relief
Valve to
* Hot
Water
Supply
Tempered
Cold
Water
Supply
Drain
ASME
Relief
Valve
15
BOILER
1
PN 240011662 Rev. K [01/31/2020]
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