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Replacement Parts
The following maintenance procedures are for the
Flame Lock TM safety system components and
should be performed by a qualified service
technician.
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 page 27 for a list of available repair parts.
Removing the Manifold Assembly
1. Turn off the gas to the water heater at the manual
shut-off valve (Figure 3).
2. Turn the gas control knob on the combination gas
.
4.
.
control valve/thermostat
clockwise to the "OFF"
position (Figure 19).
Remove the outer door.
Remove the (2) screws
securing the manifold door
assembly to the skirt
(Figure 22).
Disconnect the
thermocouple (left-hand
thread), pilot tube, the
igniter wire from the igniter
button, and manifold tube
at the thermostat. (Figure
21.) Note: LR gas
systems use reverse (left-
hand) threads on the
manifold tube.
Figure 21
Igniter
Thermocouple Pilot
Tube
Manifold
Tube
6. Grasp the manifold tube and push down slightly to
free the manifold, pilot tube, and thermocouple.
7. Carefully remove the manifold assembly from the
burner compartment. Be sure not to damage
internal parts.
Figure 22
Burner Assembly
Removal
Gas Valve /
Thermostat
Thermocouple
Manifold
Tube
Manifold
Door
Piezo
igniter
Pilot Tube
Two Piece Wire
/ Connector
Manifold
Screw (2)
Removing the Burner from the
Manifold Assembly
Natural Gas Burner
1. Turn the burner counterclockwise to remove it from
the manifold assembly.
2. Check the burner to see if it is dirty or clogged. The
burner may be cleaned with soap and hot water
(Figure 23A).
Figure 23A Two Piece Wire Manifold Door
Natural Gas Connector Assembly
Burner Assembly Burner
Igniter Wire
To remove 1
burner Thermocouple
Manifold
Tube
Thermocouple
Retainer Clip
Gasket
Pilot Assembly
Thermocouple
Viewport
21
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