FLAME SENSE/HOT SURFACE IGNITER REMOVAL / REPLACEMENT
Important: Use only factory authorized replacement parts. If you lack the necessary skills to properly perform the installation, you should not proceed, but get help from a qualified service technician.
Tools required: 3/4”
Replacing the Flame Sense/Hot Surface Igniter Assembly:
1.Set the gas control valve/thermostat to its lowest setting by pressing the “COOLER” and “HOTTER” buttons together at the same time holding for 1 second. Then press the “COOLER” button to the lowest setting (Figure 89).
2.Turn gas control switch to the “OFF” position (located right side of the gas control valve/ thermostat) and turn off the gas supply to the unit (Figure 90).
3. | Disconnect the electric connection by unplugging |
| the transformer from the wall outlet (Figure 90). |
4. | Remove the manifold cover/ outer door from the |
| unit by depressing on the lower portion and |
| pulling outward. |
5. | Remove the inner door/manifold/burner assembly. |
| See Removing Inner Door/Manifold/Burner |
| Assembly, (page 41) (Figure 91). |
6. | Lift the retainer clip straight up from the back of |
| the manifold component block (using a |
| screwdriver), then remove the manifold component |
| block from the manifold door (Figure 92). |
7. | Remove and keep the screw securing the flame |
| sense/hot surface igniter assembly (Figure 92). |
8. | Remove and discard the old flame sense/hot |
| surface igniter assembly. |
9. | Route the new flame sense/hot surface igniter |
| connector wire through manifold/burner door |
| opening as shown in figure 92. Secure the |
Figure 89.
HOTTER 
COOLER
Electronic Control Display
Figure 90.
ON
OFF
ON/OFF
SWITCH
UNPLUGGED
Figure 91
INNER DOOR/
MANIFOLD/BURNER
ASSEMBLY
SLOT
assembly to the bracket ussing screw removed |
earlier. |
10. Reposition the manifold component block in the |
manifold door opening and secure it with the |
retainer clip.
11.Install inner door/manifold/burner assembly, (see page 42).
12.Restart the water heater by following the directions on the “Lighting and Operating Instructions” label located on the front of the water heater.
13.Upon verifying proper operation of the water heater, replace the manifold cover/outer door.
INSTALL
REMOVE
Figure 92
Screw
Manifold Component
Block
BURNER’S
TIP END
TAB
Retainer Clip
Flame Sense/
Hot Surface
Igniter Assembly
43