About The Boiler; Included Items; Accessories - Navien NHB Series Installation & Operation Manual

1. About the Boiler

1.1 Included Items

When you open the box, you will find the following items with
the boiler. Check the box for each of the following items before
installing the boiler.
Installation & Operation Manual,
User's Information Manual
3 in Vent Termination Caps (x2)
Air Vent
Tapping Screws & Anchors (x6)
Conversion Kit
Air Vent Bushing with Gasket
[1 in to in (NFB-301C)]
[1 in to in (NFB-399C)]
6 About the Boiler
Quick Installation Manual
3 in Wall Flanges (x4)
Wall Mounting Bracket
(with Anti-Vibration Rubber Pad)
* Included in the L box
Pressure Relief Valve, Heating
Outdoor Temperature Sensor and
Cable
Condensate Trap
Universal Temperature Sensor
(with Clip)
Caps with Gaskets (x2)

1.2 Accessories

The following optional accessories are available for the boiler.
Light Commercial Neutralizer Kit
Zone Controller
(FMZ-40/60)
Navi-Link
(Wi-Fi Control System)
Note
The universal temperature sensor can be used as a
system temperature sensor or a DHW tank sensor.
PRV-Air Vent Adapter
(with Clip)
Double Nipple ( in to in)
Zone Controller
(FMZ-20/30)
Universal Temperature Sensor
(with clip)
Modbus Gateway