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P-K DURATION II
™ Indirect Domestic Water Heating System
9
3.4
M
ECHANICAL
C
ONNECTIONS
The P-K Duration II system is designed to
provide substantial domestic hot water capacity in a 32” wide x 64” long
footprint and requires four (4) piping connections to operate as seen below:
A. DHW
Supply (2” Sweat Ball Valve)
B. DHW
Return (2” Sweat Ball Valve)
C.
Boiler Water Inlet (2” NPT Ball Valve/Grooved)
D.
Boiler Water Outlet (2” NPT Ball Valve/Grooved)
3.4.1
Connection Figure
A
B
D
C
A
B
C
D
Simplex Model
Duplex Model