Install Instructions

52
7 Domestic water heaters
OUTLET
COLD
WATER
SUPPLY
BUILDING
HOT WATER
SUPPLY
RELIEF
VALVE
LOCK-TEMP
STORAGE
TANK
DRAIN
BUILDING
RETURN
INLET
RELIEF
VALVE
MIXING
VALVE
Y-STRAINER
DIR #2000570589_000
BUILDING RECIRCULATION
FILTER (IF REQUIRED SEE
SECTION 7)
Figure 7-1_Typical water heater piping with storage tank
Installation & Service Manual
COMMON MANIFOLD SIZE (Min.)
Models: 497 - 747
Number of Units GPM
Diameter
(in.)
1 60 2 1/2
COMMON MANIFOLD SIZE (Min.)
Models: 987 - 2067
Number of Units GPM
Diameter
(in.)
1 90 2 1/2
*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