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Customer Service
Troubleshooting Tips
Care and Cleaning
Operating Instructions
Installation Instructions
Safety Instructions
20
Problem
Possible Causes
What To Do
Condensation
This usually happens when  
This is normal. After the water in the tank warms 
a new water heater is 
up the condensation will disappear. If, however, the 
filled for the first time. 
condition persists, examine the piping and fittings 
for possible leaks.
Moisture from the products
This is normal and will disappear in time. Excessive 
of combustion condensing 
condensation can cause pilot outage.
on the tank surface.
An undersized water 
Use a water heater size that meets the requirements 
heater will cause 
of your needs.
condensation. 
Yellow flame 
Scale on top of the burner.
Shut off the water heater and remove scale.
or sooting
Combustion air inlets or
Remove lint or debris and inspect air inlet opening 
flue-way restricted. 
for restriction. 
Not enough combustion or
Proper operation of the water heater requires air for 
ventilation air supplied to
combustion and ventilation. See the Combustion and
the water heater location.
Ventilation Air information in the Locating the water 
heater section of this manual.
Unable to light 
Temperature dial not
See the Lighting the water heater section of this 
the pilot
correctly positioned.
manual. 
Pilot orifice clogged.
The pilot should be cleaned or replaced by a qualified 
service technician.
Pilot tube pinched or 
The pilot should be cleaned, repaired or replaced by a 
clogged.
qualified service technician.
Air in gas line.
Contact a qualified service technician to purge the air
from the gas line.
Pilot does not stay 
Loose thermocouple.
The connection at the thermostat should be tightened 
lit when the RED 
by a qualified service technician.
button is released 
Thermocouple breakdown.
The thermocouple should be replaced by a qualified 
service technician.
Safety magnet breakdown.
The thermostat should be replaced by a qualified 
service technician.
Thermostat’s single 
The thermostat should be replaced by a qualified 
use gas shut-off device 
service technician.
has opened.
CAUTION: For your safety DO NOT attempt repair of gas piping, thermostat, burners, vent connectors or other
safety devices. Refer repairs to qualified service personnel.
Before You Call For Service…
Troubleshooting Tips
Save time and money! Review the charts on
the following pages first and you may not
need to call for service.