Get To Know Your Water Heater - A.O. Smith RESIDENTIAL GAS WATER HEATERS Instruction Manual

Get to Know Your water heater - Gas Models
a control assembly
B Blocked Inlet switch
c Blocked outlet switch
d fan prover switch
e Blower assembly
f Burner assembly
G flame sensor
h hot surface Igniter
I junction Box
j Gas valve assembly
K display Board
l top plastic enclosure
* CAUTION HARNESS HAS 120 VAC. IN OPERATION.
** see "planning the vent system," "Installation of vent system" and "condensate" for more information.
M display enclosure
** n exhaust elbow assembly
** o condensate tubing
p off/on switch
q display label
r hot water outlet
*S Electrical Outlet (120VAC)
t Gas supply
u Main Manual Gas shutoff valve
v union
w Inlet water shutoff valve
X cold water Inlet
replaceMent parts and delIMInG products
Replacement parts and recommended delimer may be ordered through
authorized servicers or distributors. When ordering parts, provide complete
model and serial numbers (see rating plate), quantity and name of part
desired. Standard hardware items may be purchased locally.
FIGURE 1.
6
Y
Z
aa rating plate
BB labels
cc drain valve
** dd vent terminal
ee drain pan
ff anode
GG Insulation
hh upper temperature probe
II
vacuuM relIef
valve
*Install per
local codes
Inlet dip tube
T/P Relief Valve
access door
access panel
caution: This access panel covers
a 2" NPT plug that was required
during the manufacturing of this
water heater. This 2" NPT flange is
not a cleanout fitting, removing the
2" NPT plug and using this fitting as a
cleanout could void your warranty.