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Installation & Operation Manual
64
8 Domestic water heaters
Figure 8-1_Typical Water Heater Piping with Storage Tank
COMMON MANIFOLD SIZE (Min.)
Models: 402, 502, 652, & 752
Number of Units GPM
Diameter
(in.)
1552
COMMON MANIFOLD SIZE (Min.)
Models: 992, 1262, 1442, 1802 & 2072
Number of Units GPM
Diameter
(in.)
1 90 2 1/2
OUTLET
COLD
WATER
SUPPLY
BUILDING
HOT WATER
SUPPLY
RELIEF
VALVE
LOCK-TEMP
STORAGE
TANK
DRAIN
BUILDING
RETURN
INLET
RELIEF
VALVE
MIXING
VALVE
Please note that these illustrations are meant to show system piping concept only, the installer is responsible
for all equipment and detailing required by local codes.
NOTICE