Navien NCB-150E Service Manual page 2

Service Manual
NCB-E Condensing Water Heaters
Model NCB-150E
NCB-180E
NCB-210E
NCB-240E
NSF/ANSI 372
H
WARNING
If the information in these instructions is not followed exactly, a fire or explosion may result, causing
property damage, personal injury, or death.
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.
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Do not touch any electrical switch; do not use any phone in your building.
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Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.
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If you cannot reach your gas supplier, call the fire department.
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Installation and service must be performed by a qualified installer, service agency or the gas supplier.
The installation must conform with local codes or, in the absence of local codes, the National Fuel Gas
Code, ANSI Z223.1/NFPA 54 and/or CSA B149.1, Natural Gas and Propane Installation Code.
When applicable, the installation must conform with the Manufactured Home Construction and
Safety Standard, Title 24 CFR, Part 3280 and/or CAN/CSA Z240 MH Series, Mobile Homes.
Keep this manual near this boiler for future reference
whenever maintenance or service is required.
* The wetted surface of this product contacted by consumable water contains less than
one quarter of one percent(0.25%) of lead by weight.