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FIGURE 5-8 - Multiple Boilers with Individual Primary Secondary, Zone Valves and (Optional) Indirect
Pump 1 - SEE
5 - HYDRONIC PIPING
CH/System
NOTE
System
Temperature
Sensor
BOILER
1
# BOILERS ON
BOILER
1
SYSTEM PUMP 2 is required if
System Pump 1 capacity is less
than total boiler capacity.
UP TO 6 BOILERS
19
PIPE
PIPE BRANCH
SIZE
2
2
3
2-1/2
4
3
5
3
6
4
7
4
8
4
BOILER
1
# Boilers on
Pipe Branch
P/N 240011662, Rev. D [06/30/2017]
CH/System
Pump 2 - SEE
NOTE
Pipe
Size
2
2
3
2½
4
3
5
3
6
4
7
4
8
4
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