Lochinvar Power-Fin 502 Installation & Operation Manual page 67

9
Domestic water heaters
Figure 9-3_Multiple Water Heater Piping with a Single Storage Tank
COMMON MANIFOLD SIZE (Min.)
Models: 502, 752, 1002, & 1302
Number of Units GPM
2 150
3 225
4 300
5 375
6 450
7 525
8 600
BUILDING HOT
WATER SUPPLY
RELIEF VALVE
LOCK-TEMP
STORAGE TANK
DRAIN
Diameter
(in.)
3 1/2
4
5
6
6
6
8
MIXING VALVE
BUILDING RETURN
Installation & Operation Manual
(continued)
COMMON MANIFOLD SIZE (Min.)
Number of Units
COLD WATER SUPPLY
Models: 1501, 1701, & 2001
Diameter
GPM
2 180
3 270
4 360
5 450
6 540
7 630
8 720
MIN. 4" COMMON
MANIFOLD SIZE
(in.)
4
5
6
6
6
8
8
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