Installation & Service Manual
7 Domestic water heaters (continued)
Figure
COMMON MANIFOLD SIZE (Min.) | |||
Models: 497 - 747 |
| ||
Number of Units | GPM | Diameter | |
(in.) | |||
|
| ||
2 | 120 | 3 1/2 | |
3 | 180 | 4 | |
|
|
| |
4 | 240 | 5 | |
|
|
| |
5 | 300 | 5 | |
6 | 360 | 6 | |
|
|
| |
7 | 420 | 6 | |
|
|
| |
8 | 480 | 6 | |
|
|
| |
BUILDING |
|
|
| MIXING |
|
| |||
HOT |
|
|
| VALVE |
WATER |
|
|
|
|
SUPPLY |
|
|
|
|
RELIEF
VALVE
STORAGE
TANK
DRAIN
COMMON MANIFOLD SIZE (Min.)
Models: 987 - 2067
Number of Units | GPM | Diameter | |
(in.) | |||
|
| ||
2 | 180 | 4 | |
|
|
| |
3 | 270 | 5 | |
|
|
| |
4 | 360 | 6 | |
5 | 450 | 6 | |
|
|
| |
6 | 540 | 6 | |
|
|
| |
7 | 630 | 8 | |
|
|
| |
8 | 720 | 8 |
COLD
WATER
SUPPLY
MIN 4"
COMMON
MANIFOLD
SIZE
BUILDING
RETURN
NOTICE
*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.
51 
