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P/N 240010943, Rev. C [09/07/2016]
5 - HYDRONIC PIPING
Piping Legend
Table 4 - System Piping Configurations
Single Boiler
Primary/Secondary
Two Pipe Zoned System
With Zone Valves
figure 5-5
With Zone Pumps
figure 5-6
Primary/Secondary Pumping
Without DHW Tank
figure 5-7A
With DHW Tank
figure 5-7B
Multiple Boilers
Primary/Secondary
Two Pipe Zoned System
With Zone Valves
figure 5-8A
With Zone Pumps
Not Shown
Primary/Secondary Pumping
Without DHW Tank
figure 5-8B
With DHW Tank
figure 5-8C
NOTICE
Illustrations are meant to show system piping
concept only. Installer is responsible for all
equipment and detailing required by authority
having jurisdiction.
NOTICE
Arrange piping to prevent water dripping onto
boiler.
Primary Loop Equivalent Length Calculation & Pump
Selections may be found on pages 79 thru 80 of this
manual.
Table 3 - General Boiler Pump Sizing Chart
System
∆T
Flow, GPM
Feet Head
20
38
41
30
25
18
40
19
12
50
15
8
60
12
5
See Table 3 for primary general pump sizing. Primary circuit
pipe components must also be included to size pump.
