Typical Installation; Get To Know Your Water Heater; Replacement Parts - A.O. Smith 186589-004 Instruction Manual

GET TO KNOW YOUR WATER HEATER

TRIM PLATE
(OUTSIDE)
HOT WATER
OUTLET PIPE
ANODE
FLUE BAFFLE
GAS SUPPLY
LINE
MAIN MANUAL
GAS SHUTOFF
VALVE
GROUND-JOINT
UNION
DIRT LEG
OUTER DOOR
ALL PIPING MATERIALS TO BE
SUPPLIED BY CUSTOMER.

TYPICAL INSTALLATION

TRIM PLATE
(INSIDE)
INLET VALVE

REPLACEMENT PARTS

Replacement parts 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 (as listed in Figure 1). Standard hardware items may be
purchased locally.
COLD WATER
INLET PIPE
VACUUM RELIEF
VALVE
UNION
INSTALL PER
THERMAL
LOCAL CODES.
EXPANSION
TANK
INLET DIP
TUBE
TEMPERATURE
AND PRESSURE
RELIEF VALVE
DISCHARGE PIPE
(DO NOT CAP OR
PLUG)
GAS CONTROL
KNOB
WATER
TEMPERATURE
ADJUSTING DIAL
DRAIN VALVE
DRAINPAN
6" MAXIMUM
AIR GAP
FLOOR DRAIN
FIGURE 1
5
THERMAL
EXPANSION TANK
INSTALL THERMAL EXPANSION
TANK IF WATER HEATER IS
INSTALLED IN A CLOSED
SYSTEM.
GAS PILOT & MAIN BURNER
THERMOCOUPLE
PIEZO ELECTRODE
THERMOSTAT
GAS CONTROL
PILOT