13About the Boiler
1.6 Rating Plate
The Navien NFB boilers come from the factory congured 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 110 for details.
Installation procedures at normal manifold pressure. This appliance has also been tested up to 10,100 ft(3,078 m).
For installations at altitudes up to 10,100 ft(3,078 m), follow the directions provided in the High Altitude Installations sections
of the lnstallatlon Manual.
toutes les procédures d'installation à haute altitude CAN/CGA 2.17 à une pression normale. Cet appareil a été testé jusqu'à 10,100 pieds
(3.078 m). Pour les instructions d'installation à une altitude supérieure à 10.100 pieds, suivez les instructions fournies dans la section des
installations à haute altitude du manuel d'installation.
7
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WARNING
Ensure that the gas type and power source specications match what is listed on the rating plate. Using a dierent 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
2
.
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