21
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 27-28 for a list of available repair parts.
Removing the Manifold Assembly
1. Turn off the gas to the water heater at the manual gas
shut-off valve (Figure 3).
2. Turn the gas control/temperature knob to the “OFF”
position (Figure 19).
3. Remove the outer door.
4. Remove the two screws
securing the manifold door
to the combustion chamber
(Figure 23).
5. Disconnect
the
thermopile,
pilot tube, the igniter wire
from the igniter button, the
two connectors attached
to the thermal switch, and
manifold tube at the gas
control valve/thermostat.
(Figures 22 & 23.)
6. Grasp the manifold tube
and push down slightly to
free the manifold tube, pilot tube, and thermopile.
7. Carefully remove the manifold assembly from the
combustion chamber. NOTE: Be sure not to damage
internal parts.
Removing the Burner from the
Manifold Assembly
Natural Gas Burner (Low Nox)
1. Take off the burner by removing the two (2) screws
located underneath the burner.
2. Check the burner to see if it is dirty or clogged. The
burner may be cleaned with soap and hot water (Figure
24).
Figure 22
Gas Control Valve/
Thermostat
Igniter
Wire
Thermopile Wire
Pilot Tube
Manifold
Tube
Igniter
Button
Figure 23
Manifold Assembly
Removal
Manifold Screw (2)
Two Piece Wire Connector
Manifold Door
Thermal Switch
Pilot Tube
Manifold Tube
Viewport
Thermopile
Piezo Igniter Button
Gas Valve/Thermostat
Figure 24
Natural gas (Low NOx)
Manifold Assembly
Pilot Assembly
Burner
Thermal Switch
Viewport
Manifold Door
Door Gasket
Thermopile
Pilot Tube
Manifold Tube
Two Piece Wire
Connector
Pilot Bracket
Igniter Wire
Screws
Burners
Pilot Assembly
Manifold Tube
Manifold Door
Pilot Tube
Thermopile Connector
