Rating Plate - Navien NFC-175 Installation & Operation Manual

1.6 Rating Plate

The Navien NFC boilers come from the factory configured for use with Natural Gas (NG). Before starting the installation, check the rating
plate located on the side of the boiler to ensure that the boiler matches the gas type, gas pressure, water pressure, and electrical supply
available in the installation location. If the boiler does not match each of these ratings, do not install the boiler. If conversion to Propane
Gas is required, the included gas conversion kit must be used. Refer to "12.1 Gas & High Altitude Conversion" on page 103 for details.
WARNING
Ensure that the gas type and power source specifications match what is listed on the rating plate. Using a different gas type will cause
abnormal combustion and boiler malfunction. Using abnormally high or low AC voltage may cause abnormal operation, and may reduce
the life expectancy of the product.
This appliance complies with the requirements of SCAQMD Rule 1146.2 for NOx emissions of 14 ng/J or 20 ppm at 3% O
14 About the Boiler
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