![3" common vent collar kit](/app/W1siZiIsIjIwMTkvMDkvMjMvMTYvMDgvMzAvMTMyNzgzZGMtMmIzMC00YzEzLTlmNTYtYzIxYzQ2M2FlZTc5L2FjYy1ORkItQy1jb2xsYXJ2ZW50LnBuZyJdLFsicCIsInRodW1iIiwiMjk4eDI0OCJdXQ/acc-NFB-C-collarvent.png?sha=0bda651141bd99bd)
3" common vent collar kit
Required for cascade/common vent installations with NFB-C
Includes cascade cable (GXXX000546) and common vent collar damper.
![LonWorks gateway](/app/W1siZiIsIjIwMTkvMDkvMjMvMTYvMTIvNDUvZDU5MDdjNjctMmRkMS00NDk5LTk5MmUtMGNmNjczMjhiNGQwL2FjYy1ORkItQy1Mb25Xb3Jrcy5wbmciXSxbInAiLCJ0aHVtYiIsIjI5OHgyNDgiXV0/acc-NFB-C-LonWorks.png?sha=9bb05106514fd024)
LonWorks gateway
Converts proprietary equipment data to LonWork protocol. Includes gateway, power supply, connectors and set up instructions.
![Modbus/BACnet gateway & power adaptor](/app/W1siZiIsIjIwMTkvMDkvMjMvMTYvMTAvMzcvNjI1YjAyN2EtZjZlZC00OTBmLWJhNDAtZmEzY2UwNDI3ZjE2L2FjYy1ORkItQy1Nb2RidXMucG5nIl0sWyJwIiwidGh1bWIiLCIyOTh4MjQ4Il1d/acc-NFB-C-Modbus.png?sha=7ad4dcb9e4e3e581)
Modbus/BACnet gateway & power adaptor
Converts proprietary equipment data to BACnet MS/TP, BACnet/IP and Modbus TCP building automation protocols. Built-in WI-FI capability allows connection without accessing facility’s LAN network. Includes gateway, power supply, connectors and set up instructions.
![NaviLink® Wi-Fi Control](/app/W1siZiIsIjIwMTcvMTEvMTcvMDQvMDkvNDUvMzMxOTU3MDktOWMwMC00NmUxLTgwMjEtZWRjNGRlZTg0NWNjL2FjYy1OYXZpTGluay1XaUZpLWNvbnRyb2wucG5nIl0sWyJwIiwidGh1bWIiLCIyOTh4MjQ4Il1d/acc-NaviLink-WiFi-control.png?sha=8371465db51af8a1)
NaviLink® Wi-Fi Control
This add-on accessory will enable customers with smartphones and tablets to control temperatures remotely, access usage data and receive diagnostic notifications on all Navien products (NPE, NPE-2, NPN-U, NPN-E, NCB-E, NCB-H, NFC, NFC-H, NFB, NFB-H, NFB-C, NHB, NHB-H and NHW-A).
NaviLink cable. Allows you to expand your NaviLink control to a maximum of 3 channels for monitoring 3 banks of 8 units. Requires NaviLink Control.
Learn more about NaviLink® Wi-Fi Control
![Neutralizer, Commercial](/app/W1siZiIsIjIwMTcvMTEvMTcvMDQvMTQvMTQvNDdiZTg5NTItYzlkYS00MDA3LWJlMzctYjVmZjY3NWFkZmU1L2FjYy1OZXV0cmlsaXplci1Db21tZXJjaWFsLnBuZyJdLFsicCIsInRodW1iIiwiMjk4eDI0OCJdXQ/acc-Neutrilizer-Commercial.png?sha=29f9558b36dcc1ca)
Neutralizer, Commercial
Designed to neutralize the condensate of up to: 16 units NPE, NCB, NFC, NFB, NHB-H and NHB); 11 units NFB-301C; 9 units NFB-399C
Replacement Media for Commercial Neutralizer.
![Neutralizer, Light Commercial](/app/W1siZiIsIjIwMTkvMDkvMjYvMTkvNTYvMjIvZmZlODQxYjMtYmE2Zi00ZmZhLTgzZWUtYmFjZmNlN2FhMmQ5L2FjYy1MaWdodENvbW0tTmV1dC1hbGwucG5nIl0sWyJwIiwidGh1bWIiLCIyOTh4MjQ4Il1d/acc-LightComm-Neut-all.png?sha=caff41ea1f1c3c7a)
Neutralizer, Light Commercial
Designed to neutralize the condensate of up to: 6 units NPE, NCB, NFC, NFB, NHB-H and NHB; 3 units NFB-301C; 2 units NFB-399C
Replacement Media for Light Commercial Neutralizer.
![Outdoor Sensor & Wire](/app/W1siZiIsIjIwMTcvMTEvMTcvMDQvMTYvNDMvNGM5YzkxNzItNjZjOC00ODE4LTk3MmUtYmNjMjkxZDI2NWFjL2FjYy1PdXRkb29yLXNlbnNvci13aXJlLnBuZyJdLFsicCIsInRodW1iIiwiMjk4eDI0OCJdXQ/acc-Outdoor-sensor-wire.png?sha=33eef3caaa970cee)
Outdoor Sensor & Wire
The outdoor sensor and wire is designed to allow outdoor reset functionality on the NCB-E, NCB-H, NFC, NFC-H, NHB, NFB, NHB-H, NFB-H and NPF series units.
![Parts Kit - Boiler](/app/W1siZiIsIjIwMTcvMTEvMTcvMDQvMTcvNDIvNTU1YjBlNTMtOGFjYy00YzE0LWI0MjMtYzQwNWRkMDM4MzVkL2FjYy1QYXJ0cy1raXQucG5nIl0sWyJwIiwidGh1bWIiLCIyOTh4MjQ4Il1d/acc-Parts-kit.png?sha=ba6df3a69ee8b295)
Parts Kit - Boiler
NHB series parts kit designed to help service in the field.
NFB series parts kit designed to help service in the field.
NFB-H series parts kit designed to help service in the field.
NFB-C series parts kit designed to help service in the field.
![Pressure relief valves](/app/W1siZiIsIjIwMTkvMDgvMTUvMjEvNTEvMjUvYWIwNzZlMjYtZTRlZC00Zjg2LWJiYTktY2Q2NDU5YTRhZjFlL2FjYy1QcmVzc1JlbGlldmUtVmFsdmUtTkZCLUMucG5nIl0sWyJwIiwidGh1bWIiLCIyOTh4MjQ4Il1d/acc-PressRelieve-Valve-NFB-C.png?sha=0189decd756ee7ce)
Pressure relief valves
75 PSI
150 PSI
![Ready-Link® Communication Cable](/app/W1siZiIsIjIwMTcvMTEvMTcvMDQvMjQvMjIvOGZlOTE5NzAtNjU2Zi00N2RhLTllYTYtNmE4YTIyZTdlMDlmL2FjYy1SZWFkeUxpbmstQ29tbS1jYWJsZS5wbmciXSxbInAiLCJ0aHVtYiIsIjI5OHgyNDgiXV0/acc-ReadyLink-Comm-cable.png?sha=a3ee37dfffe721a4)
Ready-Link® Communication Cable
Required to cascade and common vent NPE, NPE-2, NPN, NCB-E, NCB-H, NFC, NFC-H, NFB, NFB-H, NFB-C, NHW-A series and NHB-110 & NHB-150 models.
![Ready‑Link® Commercial Rack System](/app/W1siZiIsIjIwMjAvMDIvMjgvMTkvNTQvMTgvNGY3OThlZjMtNzExNi00MDlmLTk5NTEtMzVhMTk3YTRhOGUwL1JlYWR5TGluayBDb21tZXJjaWFsIFJhY2sucG5nIl0sWyJwIiwidGh1bWIiLCIyOTh4MjQ4Il1d/ReadyLink%20Commercial%20Rack.png?sha=faefb61c84562ca0)
Ready‑Link® Commercial Rack System
Ready-Link® Commercial Boiler Rack System Base. The free standing rack system is designed, with pipe support brackets, for infield assembly and approved for indoor installations. Designed to work with NFB-C series units.
Ready-Link® Commercial Boiler Rack System Add-on. The add-on rack is designed, with a pipe support bracket, to expand the base rack system allowing up to 16 units on a free standing rack system. Designed to work with NFB-C series units for infield assembly and approved for indoor installations
![SmartZone+™](/app/W1siZiIsIjIwMTcvMTEvMTcvMDQvMjYvMjIvMmMyNzEzZDItNzE5MC00YTM4LWJlMTktMWVjOTY3ODdmNTBiL2FjYy1TbWFydFpvbmUucG5nIl0sWyJwIiwidGh1bWIiLCIyOTh4MjQ4Il1d/acc-SmartZone.png?sha=d2fd2a8586ce538f)
SmartZone+™
Zone pump controller designed to work with the NCB, NFC, NFB, NFB-C, NHB-H and NHB series allowing control from 2 to 6 zone pumps.
2 Zones
3 Zones
4 Zones
6 Zones
![Universal temperature sensor](/app/W1siZiIsIjIwMTgvMDUvMjQvMDQvMzUvMjYvOTQ3YzQ1ZGYtNjkzZS00YWIzLTg5NWYtN2IyNTYwNTBkNzlhL2FjYy1Vbml2LXRlbXAtc2Vuc29yLU5GQi5wbmciXSxbInAiLCJ0aHVtYiIsIjI5OHgyNDgiXV0/acc-Univ-temp-sensor-NFB.png?sha=a2e2cafae2202cdd)
Universal temperature sensor
Designed to sense supply, return or tank temperature of your hydronic heating system. Works with NFC, NFC-H, NHB, NFB, NHB-H, NFB-H and NFB-C series boilers.
![Wall Flange and Vent Terminate Kit](/app/W1siZiIsIjIwMTcvMTEvMTcvMDQvMjYvNDkvNWNlMDVmOTctMTFmNS00NjU1LTljMGQtOTFkYjQ4YjBiYzY5L2FjYy1XYWxsRmxhbmdlLnBuZyJdLFsicCIsInRodW1iIiwiMjk4eDI0OCJdXQ/acc-WallFlange.png?sha=168983d3760ac98e)
Wall Flange and Vent Terminate Kit
Wall flange designed to work on 2” intake and exhaust pipe for a clean installation look in location where the pipe goes through the wall.
Wall flange designed to work on 3” intake and exhaust pipe for a clean installation look in location where the pipe goes through the wall.