Lochinvar Power-Fin 502 Installation & Operation Manual page 39

4
Water connections
Figure 4-5_Boiler with Low Temperature Bypass Piping - Using a Thermostatic Mixing Valve Required for Systems
Operating at less than 140°F (60°C) Return Water Temperatures from the Heating Return Loop
COMMON MANIFOLD SIZE (Min.)
Models: 502, 752, 1002, & 1302
Number of Units GPM
1 75
*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.
(continued)
Diameter
(in.)
2 1/2
Installation & Operation Manual
COMMON MANIFOLD SIZE (Min.)
Models: 1501, 1701, & 2001
Number of Units GPM
1 90
Diameter
(in.)
2 1/2
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