Download continued - AO Smith Water Heaters

Installation & Operation Manual
NOTES:
Number of Units
75
GPM
Diameter
(in.)
2 1/2
COMMON MANIFOLD SIZE (Min.)
Models: 500 - 1000
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1. PREFERRED PIPING LAYOUT.
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COMMON MANIFOLD SIZE (Min.)
Models: 1500 - 2000
Diameter
Number of Units GPM
(in.)
2 1/2
1
2. THE TEMPERATURE AND PRESSURE RELIEF VALVE SETTING SHALL NOT EXCEED PRESSURE RATING OF ANY
COMPONENT IN THE SYSTEM.
3. SERVICE VALVES ARE SHOWN FOR SERVICING WATER HEATER. HOWEVER, LOCAL CODES SHALL GOVERN
THEIR USAGE.
4. MAXIMUM PIPING LENGTH BETWEEN TANK AND WATER HEATER SHOULD NOT EXCEED A TOTAL OF 50 EQUIVALENT
FEET CONSTRUCTED OF 2-1/2 INCH PIPE SIZE OR LARGER.
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
(continued)
Domestic water heaters
9
Figure 9-1_Typical Water Heater Piping with Storage Tank
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