Service Manual

42
Spark Rod Replacement Procedure
Step 4. Carefully cut a path in the insulation from the blower tube towards the flame sensor (shown below).
Pay close attention to not cut any wires. Fold the insulation back to expose the spark rod.
Step 5. Disconnect wire lead from spark rod
.
Step 6. Remove the 2 mounting screws (magnetic
tip, long reach Phillips screw driver) and remove
spark rod & gasket from transitio
n base
flange.
Step 7. Remove any residual gasket material from
transition base flange.
Step 9.Fold insulation back into place. Be su
re no wires are under the insulation that
could come in contact with burner flange.
Step 8.Install new spark rod with new gasket provided
using screws
from step 6. Arrange spark rod with hook towards burner (Off-
center mounting hole only allow installation one way).
Check di
stance between spark rod and blower transition tube
(shown below).
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 10. Restore 120 volt power supply to water he
ater and confirm proper operation following the
lighting instructions on the lighting instruction label or the lighting instructions locate
d in
the installation and operating instruction manual.
Step 11. Replace surround cover on top of
water heater.
WARNING
120 volt potential exposure. Isolate the
appliance and reconfirm power is
disconnected using a multi-meter.
Off-center
mounting
hole
Spark rod screws
(X2)
Spark rod gasket
Spark rod
Cut insulation
Spark Rod
Distance of 2" to 2 1/16" for 199,999 input and below.
Distance of 4 1/8" to 4 3/16" for 270,000 input and above.
Blower
transition tube
Center of spark
rod
42