Typical Installation - A.O. Smith XVRL-40 Installation Instructions And Use & Care Manual

GET TO KNOW YOUR WATER HEATER - GAS MODELS
A Vent Pipe
B Draft hood
C Anode (Not Shown)
D Hot Water Outlet
E Insulation
F Gas Supply Piping
G Manual Gas Shut-off Valve
H Ground Joint Union
I Drip Leg (Sediment Trap)
* INSTALL IN ACCORDANCE
WITH LOCAL CODES.
* DRIP LEG AS REQUIRED
BY LOCAL CODES.
* ALL PIPING MATERIALS
TO BE SUPPLIED BY
CUSTOMERS.
TO VENT TERMINATION
ON ROOF
INSTALL THERMAL EXPANSION
A
TANK OR DEVICE IF WATER
HEATER IS INSTALLED IN A
CLOSED WATER SYSTEM
L
B
D
E
R
F
G
H
V
S
U
I
Y
W
J
K

TYPICAL INSTALLATION

J Inner Door
K Outer door
L Union
M Inlet Water Shut-off Valve
N Cold Water Inlet
O Inlet Dip Tube
P Temperature & Pressure Relief Valve
Q Rating Plate
R Flue Baffl e
M
N
O
VACUUM RELIEF
VALVE
*INSTALL PER
LOCAL CODES
P
Q
IGNITER ROD
MANIFOLD DOOR
DISCHARGE PIPE
(DO NOT CAP OR PLUG.)
X
T
6" MAXIMUM
FLOOR DRAIN
(S) GAS CONTROL VALVE/
THERMOSTAT: WHITE-RODGERS
GAS CONTROL KNOB
WATER TEMPERATURE DIAL
(ADJUSTING DIAL)
"OFF"
"PILOT"
POSITION POSITION
TOP VIEW
MANIFOLD/BURNER ASSEMBLY
MAIN BURNER
THERMOCOUPLE
PILOT TUBE
IGNITER WIRE
MANIFOLD TUBE
AIR GAP
5
S Thermostat
T Drain Valve
U Pilot and Main Burner
V Flue
W Drain Pan
X Piezo Igniter
Y Base Filter
(S) GAS CONTROL VALVE/
THERMOSTAT: ROBERTSHAW
GAS CONTROL KNOB
WATER TEMPERATURE DIAL
(ADJUSTING DIAL)
"OFF"
"ON"
POSITION POSITION
"PILOT" "ON"
POSITION POSITION
TOP VIEW