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NFB-399C

Use the menu above to filter accessories by series, or click here to find detailed parts lists for all Navien products.
3" common vent collar kit

3" common vent collar kit

Required for cascade/common vent installations with NFB-C

Part Number: (30022799A)

Includes cascade cable (GXXX000546) and common vent collar damper.

1 year warranty from date of purchase.
LonWorks gateway

LonWorks gateway

Part Number: (GXXX001933)

Converts proprietary equipment data to LonWork protocol. Includes gateway, power supply, connectors and set up instructions.

1 year warranty from date of purchase.
Click for Downloads
Modbus/BACnet gateway & power adaptor

Modbus/BACnet gateway & power adaptor

Part Number: (GXXX001932)

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.

1 year warranty from date of purchase.
Click for Downloads
NaviLink® Wi-Fi Control

NaviLink® Wi-Fi Control

Part Number: (PBCM-AS-001)

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).

3 year warranty from date of purchase.
Part Number: (GXXX001659)

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.

90 day warranty from date of purchase.
Click for Downloads
Learn more about NaviLink® Wi-Fi Control
Neutralizer, Commercial

Neutralizer, Commercial

Part Number: (GXXX001325)

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

1 year warranty from date of purchase.
Part Number: (GXXX001329)

Replacement Media for Commercial Neutralizer.

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Neutralizer, Light Commercial

Neutralizer, Light Commercial

Part Number: (GXXX001324)

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

1 year warranty from date of purchase.
Part Number: (GXXX001328)

Replacement Media for Light Commercial Neutralizer.

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Outdoor Sensor & Wire

Outdoor Sensor & Wire

Part Number: (30012950A)

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.

1 year warranty from date of purchase.
Click for Downloads
Parts Kit - Boiler

Parts Kit - Boiler

Part Number: (30018663A)

NHB series parts kit designed to help service in the field.

1 year warranty from date of purchase.
Part Number: (30034418A)

NHB-H series parts kit designed to help service in the field.

1 year warranty from date of purchase.
Part Number: (30023112A)

NFB series parts kit designed to help service in the field.

1 year warranty from date of purchase.
Part Number: (30029596A)

NFB-H series parts kit designed to help service in the field.

1 year warranty from date of purchase.
Part Number: (30025534A)

NFB-C series parts kit designed to help service in the field.

1 year warranty from date of purchase.
Pressure relief valves

Pressure relief valves

1 year warranty from date of purchase.
Part Number: (GXXX001931)

75 PSI

Part Number: (GXXX001946)

150 PSI

Ready‑Link® Commercial Rack System

Ready‑Link® Commercial Rack System

Part Number: (GFFM-KDIZUS-007)

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.

Part Number: (GFFM-KDIZUS-008)

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

Click for Downloads
Ready-Link® Communication Cable

Ready-Link® Communication Cable

Part Number: (GXXX000546)

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.

90 day warranty from date of purchase.
Click for Downloads
SmartZone+™

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.

3 year warranty from date of purchase.
Part Number: (PFMZ-02P-001)

2 Zones

Part Number: (PFMZ-03P-001)

3 Zones

Part Number: (PFMZ-04P-001)

4 Zones

Part Number: (PFMZ-06P-001)

6 Zones

Click for Downloads
Universal temperature sensor

Universal temperature sensor

Part Number: (GXXX001769)

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.

1 year warranty from date of purchase.
Click for Downloads
Wall Flange and Vent Terminate Kit

Wall Flange and Vent Terminate Kit

Part Number: (30010747A)

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.

Part Number: (30003873B)

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.

90 day warranty from date of purchase.
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