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t
imes (one time on optional single-try ignition mod-
ule). If flame is not sensed, lockout will
commence.
1
0. If the appliance will not operate, follow the instruc-
tions “To Turn Off Gas To Appliance,” and call your
s
ervice technician or gas supplier.
11. Replace upper front panel.
12. If heater fails to start, verify the following:
a. There are no loose connections or that the
service switch is off.
b. High temperature limit switch is set above wa-
ter temperature or manual reset high limit is
not tripped.
c. Thermostat is set above water temperature.
d. Gas is on at the meter and the heater.
e. Incoming dynamic gas pressure to the gas
valve is NOT less than 4.0 in. WC for natural
gas or propane gas.
To Turn Off Gas To Appliance
1. Shut off manual gas valve field installed near gas
i
nlet connection on back of heater.
2
. Remove upper front panel.
3. Set the thermostat to lowest setting.
4. Turn off all electrical power to the appliance if serv-
ice is to be performed.
5. Replace access panel.