LAARS MagnaTherm MGV - Installation, Operation and Maintenance Instructions - Manual (Page 25)

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