American Water Heater Tankless Water Heater System - Manual (Page 11)

Drawing Number: Drawing Date:
Pres
s
ure R
e
lief
Valv
e
3/
4"
Ball
Valv
e
3/
4"
U
n
ion
Ch
e
c
k V
a
lve
Ke
y
S
Pres
s
u
re R
egulat
or
C
irc
ulat
ing Pum
p
Solenoid Valv
e
Boiler D
rain Valv
e
WH-3
Domestic Hot W
ater - S
tandard Inst
allation
3 Tankless W
ater Heaters
Preferred Piping Inst
allation
February 27, 2008
This is not an engineering drawing; it is intended only as a guide and not as a replacement for professional engineering project drawings.
This
drawing is not intended to describe a complete system. It is up to the contractor or engineer to determine the necessary components and configuration of the particular system to be installed.
The drawing does
not imply compliance with local building code requirements. It is the responsibility of the engineer or contractor to ensure that the installation is in accordance with all local building codes. Confer with local building of
ficials before installation.
Su
b
1
Su
b
2
P
rim
ar
y
11
C
old
W
a
ter Supply Line
G
as Supply
Tankless Equipment List
QTY
Tankless 3 W
a
ter Heaters
Electronic Connection * * Refer to Tankless Accessories and Model
Applicability for
electronic connection details.
Hot
W
a
ter Supply Line
Tankless
Wa
te
r H
ea
te
r
Tankless
Wa
te
r H
ea
te
r
Tankless
Wa
te
r H
ea
te
r