A.O. Smith XDVS - Manual (Page 2)

2
CERTAIN MODELS ARE
EQUIPPED WITH SIDE
PLUMBING CONNECTIONS
FOR SPACE HEATING. THE
HOT AND COLD FITTING
ASSEMBLIES (PART #900126-2)
CAN BE ORDERED THROUGH
THE MANUFACTURER.
REPLACEMENT PARTS
Replacement parts may be ordered through authorized
servicers or distributors. Refer to the Yellow Pages for where to
call or contact A. O. Smith Water Products Company, 500
Tennessee Waltz Parkway, Ashland City, TN 37015,
1-800-433-2545. When ordering parts, provide complete
model and serial numbers (see rating plate), quantity and
name of part desired (as listed in Figure 1). Standard
hardware items may be purchased locally.
TYPICAL INSTALLATION
WARNING
DO NOT ATTEMPT TO OPERATE WATER HEATER WITH COLD
WATER INLET VALVE CLOSED.
GET TO KNOW YOUR WATER HEATER
ALL PIPING MATERIALS TO BE
SUPPLIED BY CUSTOMER.
FIGURE 1
(DO NOT CAP OR PLUG)
VACUUM RELIEF
VALVE
INSTALL PER LOCAL
CODES.
THERMAL
EXPANSION TANK
INSTALL THERMAL EXPANSION
TANK IF WATER HEATER IS
INSTALLED IN A CLOSED
SYSTEM.
GAS PILOT & MAIN BURNER
THERMOSTAT
GAS CONTROL