Navien NPE-210A2 Installation Manual

80 Installing a Common Vent System
6.3 Starting the Common Vent
System
6.3.1 Common Vent Collar Kit Assembly
Follow the instructions below to assemble the
Common Vent Collar Kit on the NPE water heater
units:
1. Remove the screws from the exhaust vent
adapter.
2. Open the front cover.
Detach the exhaust vent adapter from the top
of the unit. Disconnect the Vent Installation
Detector (VID) wiring from the harness.
3. Connect the Common Vent Collar Kit to the
exhaust duct of the water heater unit.
Maintenance Port
Navien Common Vent Collar Kit has a maintenance
port to allow you to easily inspect the operating
condition of the damper plate.
Damper plate
Maintenance port
Maintenance port
Gasket
Maintenance port cover
Fix screw
Refer to “6.8 Maintenance” for detailed inspection
procedures of the Navien Common Vent Collar Kit
(Back-draft Damper).
Note
When using a common vent in a
cascade system, backflow devices
are required to prevent exhaust from
entering the building.

Navien NPE-210A2 Specifications

General

Brand	Navien
Model	NPE-210A2
Category	Water Heater
Language	English