LAARS U.H.E. - Service Manual - Manual (Page 31)

U.H.E Service Manual Page 31
Hot surface Igniter Replacement Procedure
Step 1. Position main power switch to “OFF”
Step 2. Disconnect (unplug) water heater
from 120 volt power source.
Step 3. Un-latch & remove surround cover
from top of heater.
Step 4. Fold back insulation in front of combustion assembly to expose hot surface igniter.
(see photo at right)
Step 5. Disconnect igniter wire leads from ignition module.
Step 6. Remove the 2 igniter mounting screws (magnetic
tip, long reach Phillips screw driver) and remove
igniter and gasket from transition base flange.
Step 7. Remove any residual gasket material from
transition base flange.
Step 9. Reconnect igniter wire harness.
Step 10. Fold insulation back into place. Be sure no wires are in contact with burner flange.
Step 8. Install new igniter with new gasket provided using
screws from step 5. Arrange igniter flange with off-
center hole towards front of heater.
Step 11. Restore 120 volt power supply to water heater and confirm proper operation following the
lighting instructions on the lighting instruction label or the lighting instructions located in
the installation and operating instruction manual.
Step 12. Replace surround cover on top of
water heater.
Note:
New replacement igniter will
not have a shield over element.
Handle carefully to prevent
breakage.
WARNING
120 volt potential exposure. Isolate the
appliance and reconfirm power is
disconnected using a multi-meter.
Hot Surface
Igniter
Note:
Do not handle igniter element
or allow foreign material to
come in contact with element.
Heater front
Off-center
mounting hole
Igniter flange
Igniter gasket
Transition
base flange
Igniter mounting
screws
Igniter filament
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