20
FIGURE 5-8B Multiple Boilers Using Primary/Secondary Pumping
5 - HYDRONIC PIPING
PN 240011342 Rev. E [05/31/2018]
Closely spaced tees
in primary system loop
12"/305mm
Maximum
Separation
Up to 16
boilers
CH/System
Pump
System
Temperature
Sensor
Size common piping
per maximum heat
capacity of entire
system
Limit
length to
5' (1.6m)
