Navien NHB-110 User Manual

66 Installing a Common Vent System
9.5 Setting Up the Common Vent System
DANGER
Incorrect DIP switch settings may lead to severe personal
injury, death, or property damage.
Refer to the following figures when setting DIP switches.
1 2 3 4 5 6 7 8 9 10
ON ON
Switch
(2–Switch DIP)
Function Setting
1 Cascade Vent Settings
Common Vent 1-OFF
Individual Vent 1-ON
9.6 Common Vent Termination Clearances
9.6.1 Direct Vent Application – Vertical
Installation
12" min.
12" min.
36" min.
Exhaust
Intake
End
Cap
9.6.2 Venting Intake and Exhaust to Different
Locations
Exhaust
Intake
End
Cap

Navien NHB-110 Specifications

General

Category	Boiler
Brand	Navien
Model	NHB-110
Maximum Input	110, 000 BTU/h
Efficiency	95% AFUE
Weight	75 lbs
Vent Type	Direct Vent
Fuel Type	Natural Gas or Propane
Heat Exchanger Material	Stainless Steel
Water Connection Size	3/4 inch
Gas Connection Size	3/4 inch
Vent Material	PVC, CPVC, Polypropylene
Vent Size	2 inch