14 About the Water Heater
2.7 Rating Plate
Water heaters come from the factory configured for use with Natural Gas (NG). If conversion to Propane Gas is
required, the included Propane Gas & High Altitude Conversion Kit must ALWAYS be used. Refer to the Propane
Gas & High Altitude Conversion Guide for more information.
Note
The Propane Gas & High Altitude Conversion Kit is attached to the interior of the water heater cabinet.
You will need to remove the front cover to access the Propane Gas & High Altitude Conversion Kit.
If you need assistance, please call a licensed professional or Navien Technical Support at 1-800-519-
8794.
WARNING
To prevent death, serious injury or property damage:
Before starting the installation, check the Rating Plate located on the side of the water heater to ensure
that the water heater matches the gas type, gas pressure, water pressure, and electrical supply available in
the installation location.
If the water heater does not match each of these ratings, do not install the water heater. Using a different
gas type will result in abnormal combustion and malfunction of the water heater.
●
ONLY a licensed professional should connect the gas supply.
●
ALWAYS leak test the appliance and the gas connections before operating the appliance.
●
This water heater cannot be converted from natural gas to propane without a Navien Propane Gas & High
Altitude Conversion Kit. NEVER attempt a field conversion of this water heater without using the Navien
Propane Gas & High Altitude Conversion Kit. Doing so will result in dangerous operating conditions and
will void the warranty.
Navien Inc. is not liable for any property damage, personal injury or death resulting from improper
conversions.