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Navien NHB-110 Service Manual

Navien NHB-110
147 pages
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8 NHB Service Manual
Version 1.0
Abbreviations and Definitions
Abbreviation Definition
NHB General name of NHB-055, NHB-080, NHB-110 and NHB-150
NG Natural Gas
LP Propane Gas
AP Air Pressure
APS Air Pressure Sensor
DHW Domestic Hot Water
FM Fan Motor
GPM Gallons Per Minute
MGV Main Gas Valve
RPM Revolutions Per Minute
PCB Printed Circuit Board
EMI Electromagnetic Interface
HTL High Temperature Limiter
LWCO Low Water Cut Off

Table of Contents

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Navien NHB-110 Specifications

General IconGeneral
CategoryBoiler
BrandNavien
ModelNHB-110
Maximum Input110, 000 BTU/h
Efficiency95% AFUE
Weight75 lbs
Vent TypeDirect Vent
Fuel TypeNatural Gas or Propane
Heat Exchanger MaterialStainless Steel
Water Connection Size3/4 inch
Gas Connection Size3/4 inch
Vent MaterialPVC, CPVC, Polypropylene
Vent Size2 inch

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