Laars MAGNATHERM MGH2000 Installation And Operation Instructions For page 25

MagnaTherm Boilers and Water Heaters
Space heating zone circuit
Air vent
4 pipe dia. max.
figure 7. Hydronic Piping — Single Boiler, multiple temperature Zones
Zoning with circulators
Space heating zone circuits
System pump
4 pipe dia. max.
Water feed
controls
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.
Low temp. radiant zone
4 pipe dia. max.
Page 21
4 pipe dia. max.