A.O. Smith 186589-004 Water Heater User Manual


 
5
GET TO KNOW YOUR WATER HEATER 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.
FIGURE 1
TYPICAL INSTALLATION
ALL PIPING MATERIALS TO BE
SUPPLIED BY CUSTOMER.
VACUUM RELIEF
VALVE
INSTALL PER
LOCAL CODES.
THERMAL
EXPANSION TANK
INSTALL THERMAL EXPANSION
TANK IF WATER HEATER IS
INSTALLED IN A CLOSED
SYSTEM.
GAS CONTROL
GAS PILOT & MAIN BURNER
PILOT
PIEZO ELECTRODE
THERMOCOUPLE
FLUE BAFFLE
GAS SUPPLY
LINE
MAIN MANUAL
GAS SHUTOFF
VALVE
GROUND-JOINT
UNION
DIRT LEG
ANODE
HOT WATER
OUTLET PIPE
UNION
INLET DIP
TUBE
TEMPERATURE
AND PRESSURE
RELIEF VALVE
DISCHARGE PIPE
(DO NOT CAP OR
PLUG)
WATER
TEMPERATURE
ADJUSTING DIAL
DRAIN VALVE
DRAINPAN
FLOOR DRAIN
OUTER DOOR
INLET VALVE
COLD WATER
INLET PIPE
GAS CONTROL
KNOB
TRIM PLATE
(OUTSIDE)
TRIM PLATE
(INSIDE)
6” MAXIMUM
AIR GAP
THERMAL
EXPANSION
TANK
THERMOSTAT