Navien NHB Series, Installation & Operation Manual

Page: 6 / 135

6 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
Quick Installation Manual
3 in Vent Termination Caps (x2) 3 in Wall Flanges (x4)
Air Vent
Wall Mounting Bracket
(with Anti-Vibration Rubber Pad)
* Included in the L box
Tapping Screws & Anchors (x6) Pressure Relief Valve, Heating
Conversion Kit
Outdoor Temperature Sensor and
Cable
Air Vent Bushing with Gasket
[1 in to in (NFB-301C)]
[1 in to in (NFB-399C)] Condensate Trap
1. About the Boiler
Universal Temperature Sensor
(with Clip)
PRV-Air Vent Adapter
(with Clip)
Caps with Gaskets (x2) Double Nipple ( in to in)
1.2 Accessories
The following optional accessories are available for the boiler.
Light Commercial Neutralizer Kit
Zone Controller
(FMZ-20/30)
Zone Controller
(FMZ-40/60)
Universal Temperature Sensor
(with clip)
Navi-Link
(Wi-Fi Control System)
Modbus Gateway
Note
The universal temperature sensor can be used as a
system temperature sensor or a DHW tank sensor.