Lochinvar Power-Fin 502 Installation & Operation Manual page 38

4
Water connections
Figure 4-4_Primary/Secondary Piping of Multiple Boilers
COMMON MANIFOLD SIZE (Min.)
Models: 502, 752, 1002, & 1302
Number of Units GPM
2 150
3 225
4 300
5 375
6 450
7 525
8 600
*Please note that these illustrations are meant to show system piping concept only, the installer is responsible
NOTICE
for all equipment and detailing required by local codes.
38
Diameter
(in.)
3 1/2
4
5
6
6
6
8
Installation & Operation Manual
COMMON MANIFOLD SIZE (Min.)
Models: 1501, 1701, & 2001
Number of Units GPM
2 180
3 270
4 360
5 450
6 540
7 630
8 720
Diameter
(in.)
4
5
6
6
6
8
8