Lochinvar 402 - 2072 Water Heater User Manual


 
Installation & Operation Manual
67
8 Domestic water heaters (continued)
Figure 8-4_Multiple Water Heater Piping with Multiple Storage Tanks
RELIEF
VALVE
BUILDING
HOT
WATER
SUPPLY
COLD
WATER
SUPPLY
BUILDING
RETURN
MIXING
VALVE
DRAIN
MIN 4"
COMMON
MANIFOLD
SIZE
LOCK-TEMP
STORAGE
TANK
COMMON MANIFOLD SIZE (Min.)
Models: 402, 502, 652, & 752
Number of Units GPM
Diameter
(in.)
2 110 3
3 165 3 1/2
4 220 4
5 275 5
6 330 5
7 385 6
8 440 6
COMMON MANIFOLD SIZE (Min.)
Models: 992, 1262, 1442, 1802 & 2072
Number of Units GPM
Diameter
(in.)
2 180 4
3 270 5
4 360 6
5 450 6
6 540 6
7 630 7
8 720 7
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