LAARS Heating Systems
Page 22
figure 8. Hydronic Piping — Single Boiler with low temperature Zones and Indirect DHW tank
Indirect tank directly off of boiler
Low temp. radiant zone
Low temp. radiant zone
Air vent
Water feed controls
Expansion tank
4 pipe dia. max.
Indirect DHW tank
Anti-scald
mixing
valve
Domestic
hot water
out
Cold water
Note -
This drawing is a schematic
representation of a piping style,
and is not intended to be used
as a working installation drawing.
Local code requirements
must be met.
note:
Boiler side of the indirect tank
must be sized to accept the
BTU load of the boiler.