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Figure 9-1_Typical Water Heater Piping with Storage Tank
COLD WATER SUPPLY
POWER-FIN WATER HEATER
RELIEF VALVE
OUTLET
BUILDING RETURN
DRAIN
LOCK-TEMP
STORAGE TANK
RELIEF VALVE
MIXING VALVE
BUILDING HOT
WATER SUPPLY
INLET
COMMON MANIFOLD SIZE (Min.)
Models: 502, 752, 1002, & 1302
Number of Units GPM
Diameter
(in.)
1 75 2 1/2
COMMON MANIFOLD SIZE (Min.)
Models: 1501, 1701, & 2001
Number of Units GPM
Diameter
(in.)
1 90 2 1/2
9 Domestic water heaters (continued)
Installation & Operation Manual