Owner's Manual

If you have any questions, please
call or write to:
In the United States
500 Tennessee Waltz Parkway
Ashland City, TN 37015
Toll Free: 1-877-737-2840
In Canada
599 Hill Street West
Fergus, ON N1M 2X1
1-888-479-8324
On-Demand Water Heater
Installation Manual and Owner’s Guide
- Do not store or use gasoline or other
flammable vapors and liquids in the vicinity
of this or any other appliance.
- WHAT TO DO IF YOU SMELL GAS
 • Donottrytolightanyappliance.
 • Donottouchanyelectricswitch,donot
use any phone in your building.
 • Immediatelycallyourgassupplierfrom
a neighbor's phone. Follow the gas
supplier's instructions.
 • Ifyoucannotreachyourgassupplier,call
the fire department.
- Installation and service must be performed
by a qualified installer, service agency or the
gas supplier.
WARNING
If the information in these
instructions is not followed
exactly, a fire or explosion may
result causing property damage,
personal injury or death.
Gas Tankless Water Heater
TM
Suitable for combination potable water heating
and space-heating.
Please refer to local codes
for space-heating compliance.
FEATURING
• ENDLESS HOT WATER
• ON-DEMAND USAGE
• COMPACT, SPACE SAVING
• ENERGY CONSERVATION
• COMPUTERIZED SAFETY
• ELECTRONIC IGNITION
• Complies with SCAQMD Rule
1146.2 for natural gas Low NOx
Emissions of 14 ng/J or 20-ppm
• CONCENTRIC VENT
• FIELD GAS CONVERSION
• EASY-LINK SYSTEM*
• MULTI-UNIT SYSTEM*
*(510C model only)
Models
• 110C
• 310C
• 510C
ANSI Z21.10.3 ・ CSA 4.3
510C
model only
R
DR
Keep this manual near the water heater for future reference whenever maintenance, adjustment, or
service is required.