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Navien NHB H Series User Manual

Navien NHB H Series
143 pages
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71Connecting the Power Supply
If you are not using your boiler for a long period of
time:
1. Completely drain the water out of the boiler.
2. Disconnect the power supply to the boiler.
This prevents your boiler from freezing and being
damaged.
WARNING
Electric Shock Hazard
To prevent serious injury or death:
ALWAYS label all wires before disconnecting
them when you work on the controls.
Wiring errors can cause improper and
dangerous operation.
ALWAYS verify proper operation after
servicing.

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Navien NHB H Series Specifications

General IconGeneral
BrandNavien
ModelNHB H Series
CategoryBoiler
LanguageEnglish

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