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Figure 9-2_Single Water Heater Piping with Two Storage Tanks
BUILDING HOT
WATER SUPPLY
MIXING VALVE
POWER-FIN WATER HEATER
OUTLET
COLD WATER SUPPLY
INLET
RELIEF VALVE
LOCK-TEMP
STORAGE TANK
DRAIN
BUILDING RETURN
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
Installation & Operation Manual