Common Vent Collar Kit
Common Vent Collar Kit
Part Number: (30014367A)

Required for Cascade/common vent installations with NPE, NFC, NFB and NHB (NHB -110 & NHB-150 models) series units produced on or after September 15, 2016. Includes Cascade Cable (GXXX000546) and common vent collar damper.

1 year warranty from date of purchase.
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External Pump Connector for NPE and NPN Series
External Pump Connector for NPE and NPN Series
Part Number: (GXXX001319)

Allows all NPE and NPN series models to control an external pump through the internal PCB.

90 day warranty from date of purchase.
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External Supply & Return Temperature Sensors
External Supply & Return Temperature Sensors
Part Number: (GXXX001417)

Designed to sense supply and return temperature of your hydronic heating system. Works with NFB and NHB series boilers. (Sold in pairs.)

1 year warranty from date of purchase.
H₂Air™ Kit AHU Optimizer
H₂Air™ Kit AHU Optimizer
Part Number: (PNBD-000001)

Designed for NPE-A, NPN-U and NPN-E series. Allows for combined space heating and domestic hot water when paired with a recirculation pump (ComfortFlow™ on NPE-A). Only works with AHU’s.

3 year warranty from date of purchase.
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HotButton™ Kit
HotButton™ Kit
Part Number: (PZZZ-00046)

Designed for NPE-A. NPN-U and NPN-E series. HotButton™ kit allows manual operation of a recirculation pump (ComfortFlow™ on NPE-A). Includes an add-on PCB, 1 push button and wall plate.

3 year warranty from date of purchase.
Part Number: (GXXX001426)

"Extra push button for use with HotButton and extra wall plate.

90 day warranty from date of purchase.
Part Number: (GXXX001427)

Extra wall plate for use with HotButton and extra HotButton push buttons.

90 day warranty from date of purchase.
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Manifold, Primary for NCB Series
Manifold, Primary for NCB Series
Part Number: (GFFM-MCOZUS-001)

Primary loop manifold designed to work on NCB and NCB‐E models for fast, clean installations.

1 year warranty from date of purchase.
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Manifold, Primary for NFB Series
Manifold, Primary for NFB Series
Part Number: (GFFM-MSOZUS-002)

Navien’s NFB primary manifold kits are system matched for fast installations and maximum efficiency.

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Manifold, Primary for NHB Series
Manifold, Primary for NHB Series
Part Number: (GFFM-MSOZUS-001)

Primary loop manifold designed to work on NHB models for fast, clean installations. Pump not included. Not for use with NHB-110 and NHB-150 cascade installations.

1 year warranty from date of purchase.
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Manifold, Secondary
Manifold, Secondary
Part Number: (GFFM-SKTZUS-001)

Secondary loop manifold designed to work on NFB, NHB, NFC and NCB models for fast, clean installations. Pump not included.

1 year warranty from date of purchase.
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NaviCirc™
NaviCirc™
Part Number: (PFFW-SXX-001)

NaviCirc is a simple plumbing device that uses the existing hot and cold water lines to reduce the wait time for hot water at the faucet without the need for a dedicated recirculation return line.

3 Years warranty from date of purchase.
Part Number: (30022965A)

NaviCirc Valve Kit includes the NaviCirc Valve (PFFW-SXX-001) and two 1/2" x 3/8" flexible hoses and adapters.

3 years warranty from date of purchase.
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NaviClean™
NaviClean™
Part Number: (GXXX001727)

Highly recommended for protecting hydronic heating systems by capturing magnetite and iron oxides. Especially important in retrofit situations where older piping exists.

1 year warranty from date of purchase.
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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-A, NPE-S, NPN-U, NPN-E, NCB-E, NFC, NFB, NFB-C NHB). Additionally, recirculation activation can be scheduled for any hour of any day on the NPE-A...an industry first.

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. Works with NPE, NCB and NHB series units.

90 day warranty from date of purchase.
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Neutralizer, Commercial
Neutralizer, Commercial
Part Number: (GXXX001325)

Designed to neutralize the condensate of up to: 16 units NPE, NCB, NFC, NFB 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 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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Neutralizer, Residential Kit, Single Unit
Neutralizer, Residential Kit, Single Unit
Part Number: (GXXX001322)

Residential condensate neutralizer for NPE, NCB, NFC, NFB and NHB series units designed to neutralize the condensate of one unit.

1 year warranty from date of purchase.
Part Number: (GXXX001323)

Replacement Media for Residential 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, NFC, NFB and NHB series units.

1 year warranty from date of purchase.
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Outdoor Vent Kit
Outdoor Vent Kit
Part Number: (30010604A)

Designed for use with all NPE series units when installing your unit outside. Required for outdoor installations.

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

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

1 year warranty from date of purchase.
Parts Kit - Combi-boiler
Parts Kit - Combi-boiler
1 year warranty from date of purchase.
Part Number: (30018660A)

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

Part Number: (30023113A)

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

Part Number: (30018664A)

NCB and NCB-E series parts kit designed to help service in the field.

Parts Kit - Tankless water heater
Parts Kit - Tankless water heater
1 year warranty from date of purchase.
Part Number: (30018661A)

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

Part Number: (30018659A)

CC, CR, NR & NP series parts kit designed to help service in the field.

PeakFlowE™ Anti-Scale System
PeakFlowE™ Anti-Scale System
Part Number: (GXXX001725)

Anti-Scale system designed to treat hard water. Installs on the DHW cold inlet supply.

1 year warranty from date of purchase.
Part Number: (GXXX001726)

PeakFlowE™ Replacement Media Cartridge.

Part Number: (GXXX001327)

PeakFlow™ Replacement Media Cartridge.

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Pipe Cover - NPE Series
Pipe Cover - NPE Series
Part Number: (30012634A)

Pipe cover designed to hide gas, water and power lines for an elegant, clean look. Works with NPE series units. Use with 30012581A Plumb Easy Valve Kit.

1 year warranty from date of purchase.
Plumb Easy Valve Set, 1"
Plumb Easy Valve Set, 1"
Part Number: (30010950A)

1" isolation valves without relief valve designed to work on NHB and NCB series units. Allows for easy and quick servicing of hydronic space heating systems.

1 year warranty from date of purchase.
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Plumb Easy Valve Set 3/4” for Pipe Cover
Plumb Easy Valve Set 3/4” for Pipe Cover
Part Number: (30012581A)

3/4” lead free isolation valves with relief valve designed to work on NPE series units. Allows for easy and quick servicing of DHW systems. Use with Pipe Cover.

1 year warranty from date of purchase.
Plumb Easy Valve Set 3/4” Standard
Plumb Easy Valve Set 3/4” Standard
Part Number: (30009323A)

3/4” lead free isolation valves with relief valve designed to work on NPE, NPN and NCB series units. Allows for easy and quick servicing of DHW systems.

1 year warranty from date of purchase.
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Ready-Link® Communication Cable
Ready-Link® Communication Cable
Part Number: (GXXX000546)

Required to cascade and common vent NPE, NPN, NCB, NFC, NFB, NFB-C series and NHB-110 & NHB-150 models.

90 day warranty from date of purchase.
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Ready-Link® Manifold System for NPE Series
Ready-Link® Manifold System for NPE Series
This innovative accessory will make cascading up to 16 units in 2 banks of 8 easy for emergency same day replacements. The kits are configures in 2, 3, and 4 side-by-side and 2, 4 back- to-back allowing for up to 16 units in 30 configurations. Each kit includes: * 3/4” Service Valves with PRV * 3/4” NPT Ball Valve * 2” Copper End Cap * 2-1/8” Strut Clamp * 3/4” x 24” SS Corrugated Flex Connector * 3/4” x 18” SS Corrugated Flex Connector * 1-7/8” OD Strut Clamp * 3/4” X 3/4” Adapter * 1-1/2” Gas Union * 2” Copper Coupling * 1-5/8” x 18” Strut Channel (14ga) * 3/4” x 30” Gas Flex Connector * 1-1/2” FPT Galvanized Iron End Cap * Hardware Kit
1 year warranty from date of purchase.
Part Number: (30019039A)

2 back-to-back

Part Number: (30019040A)

2 side-by-side

Part Number: (30019041A)

3 side-by-side

Part Number: (30019042A)

4 back-to-back

Part Number: (30019043A)

4 side-by-side

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Ready-Link® Rack (V3)
Ready-Link® Rack (V3)
1 year warranty from date of purchase.
Part Number: (GFFM-KDIZUS-005)

Ready-Link® Rack (V3) Base. The free standing rack system is designed for infield assembly for indoor and outdoor installations. Designed to work with NPE, NPN, NCB, NFC, NHB and NFB series units. Base rack allows installation for up to 2 units back to back.

Part Number: (GFFM-KDIZUS-006)

Ready-Link® Rack (V3) Add-on. The add-on rack is designed to expand the base rack system allowing up to 16 units back to back on a free standing rack system. Designed to work with NPE, NPN, NCB, NFC, NHB and NFB series units for infield assembly for indoor and outdoor installations.

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Remote Control
Remote Control
Part Number: (30009757A)

Designed for use with NPE series water heaters. Allows users to adjust temperature and set the timer for the recirculation activation on NPE-A models.

3 year warranty from date of purchase.
Part Number: (30022717A)

Designed for use with NPN series water heaters. Allows users to adjust temperature, set operational settings, and display operational info.

3 year warranty from date of purchase.
Click for Downloads
SmartZone+™
SmartZone+™

Zone pump controller designed to work with the NCB, NFC, NFB, NFB-C 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, NFB, NFB-C and NHB series boilers.

1 year warranty from date of purchase.
Wall Flange and Vent Terminate Kit
Wall Flange and Vent Terminate Kit
90 day warranty from date of purchase.
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.

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.
NaviVent™ Adjustable roof flashing
NaviVent™ Adjustable roof flashing
Part Number: (GXXX001901)

Click for Downloads
NaviVent™ Flat roof flashing
NaviVent™ Flat roof flashing
Part Number: (GXXX001900)

Click for Downloads
NaviVent™ Metal wall strap
NaviVent™ Metal wall strap

6 pieces per box

Part Number: (GXXX001902)

Click for Downloads
NaviVent™ Sidewall termination kit
NaviVent™ Sidewall termination kit

21" (533mm)

Part Number: (GXXX001892)

Click for Downloads
NaviVent™ Elbow
NaviVent™ Elbow

80-125 mm 45º

Part Number: (GXXX001894)

Click for Downloads
NPE-A Plumb Easy 3 Valve Set
NPE-A Plumb Easy 3 Valve Set
Part Number: (30022163A)

¾” Lead-Free isolation valve kit with relief valve – 3 valve set: Cold, Hot, Recirculation Return. Designed to work with NPE-A series units.

1 Year warranty from date of purchase.
Click for Downloads
NaviVent™ Vent pipe extension 10"
NaviVent™ Vent pipe extension 10"
Part Number: (GXXX001896)

Click for Downloads
NaviVent™ Elbow
NaviVent™ Elbow

80-125 mm 90º

Part Number: (GXXX001895)

Click for Downloads
NaviVent™ Vent pipe extension 39"
NaviVent™ Vent pipe extension 39"
Part Number: (GXXX001897)

Click for Downloads
NaviVent™ Concentric roof termination
NaviVent™ Concentric roof termination

13" (330mm)

Part Number: (GXXX001893)

Click for Downloads
NaviVent™ Condensate trap kit
NaviVent™ Condensate trap kit

GXXX001952

Part Number: (GXXX001952)

Click for Downloads
NaviVent™ Sidewall termination kit
NaviVent™ Sidewall termination kit

11.5" (292mm)

Part Number: (GXXX001891)

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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

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NFB-C common vent collar kit
NFB-C 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.
Outdoor vent cap kit (NPN-U only)
Outdoor vent cap kit (NPN-U only)
Part Number: (30023991A)

Designed for NPN-U when installing unit outdoors. Required for NPN-U outdoor installations.

1 year warranty from date of purchase.
Click for Downloads
Pressure relief valves
Pressure relief valves
1 year warranty from date of purchase.
Part Number: (GXXX001931)

75 PSI

Part Number: (30022090A)

150 PSI

Pipe Cover NPN series
Pipe Cover NPN series
Part Number: (30024017A)

Pipe cover designed to hide gas water and power connections for an elegant, clean look. Works with NPN-U and NPN-E units.

1 year warranty from date of purchase.
Click for Downloads
Recess box (NPN-E only)
Recess box (NPN-E only)
Part Number: (30023550A)

1 year warranty from date of purchase.
Click for Downloads
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.