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Replacement Parts
IMPORTANT: The following maintenance procedures are
for the Flame Lock®Safety System components and should
be performed by a qualified person.
Replacement parts may be ordered through your plumber
or the local distributor. Parts will be shipped at prevailing
prices and billed accordingly. When ordering replacement
parts, always have the following information ready:
1. model, serial, and product number
2. type of gas
3. item number
4. parts description
See pages 30-31 for a list of available repair parts.
Removing the Burner Door Assembly
1. Turn off the gas to the water heater at the manual
shut-off valve (Figure 3).
2. Turn the gas control/temperature knob to the "OFF"
,
4.
,
position (Figure 19).
Remove the outer door.
Remove the two screws
(1/4" nut driver) securing
the burner door assembly
to the combustion chamber
(Figure 23).
Disconnect the pilot tube
(7/16" wrench), the igniter
wire from the igniter lead
wire, and manifold tube
(3/4" wrench) at the gas
control valve/thermostat.
Disconnect the sensor wires
(lift white lever outward,
then gently pull the plug
Figure 22
Gas Control Valve/
Thermostat
_/ire _ Red
_/?_ter/_ Wire
Manifold (Left
Tube Side)
downward). Also, use needle nose pliers to disconnect
the red (+) and white (-) thermopile wires from the gas
control valve/thermostat. See Figures 22 & 23.
6. Grasp the manifold tube and push down slightly to free
the manifold, pilot tube, and thermopile.
7. Carefully remove the burner door assembly from the
burner compartment.
NOTE: Be sure not to damage internal parts.
Figure 23
Burner Assembly Gas Control Valve/ Temperature Sensor
Removal Thermostat Wire Connection
Natural Gas Burner (Ultra Low Nox)
Check the burner to see if it is dirty or clogged. The burner
may be cleaned with soft paint brush (Figure 24). Do not
use a wire brush or any tool that may damage the burner
screen. Important: Do not use the burner if the burner screen
is damaged. NOTE: Damage may be rips or holes in the
burner screen. Discoloration is normal.
Figure24
NaturalGas(LowNox)
Burner Door Assembly
1
Pilot Assembly
Use brush on this surface.
Piezo Igniter
Pilot Tube
Wire
Connections
Tube
Outer Door]
Not Shown]
Burner Door Screws (2)
Sensor
Manifold Component Block
23
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