
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.

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

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

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 and NHB).
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

Designed to neutralize the condensate of up to: 16 units NPE, NCB, NFC, NFB and NHB); 11 units NFB-301C; 9 units NFB-399C
Replacement Media for Commercial Neutralizer.

Designed to neutralize the condensate of up to: 6 units NPE, NCB, NFC, NFB and NHB; 3 units NFB-301C; 2 units NFB-399C
Replacement Media for Light Commercial Neutralizer.

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

The outdoor sensor and wire is designed to allow outdoor reset functionality on the NCB-E, NCB-H, NFC, NFC-H, NHB, NFB and NFB-H series units.

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

1" isolation valves without relief valve designed to work on NHB, NCB-E, NCB-H and NFC-H series units. Will not work with NCB-H and NFC-H Primary Stainless Steel Manifold (30026576A).

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, NPE-2, NPN, NCB-E, NCB-H, NFC, NFC-H, NHB, NFB and NFB-H series units. Base rack allows installation for up to 2 units back to back.
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, NPE-2, NPN, NCB-E, NCB-H, NFC, NFC-H, NHB, NFB and NFB-H series units for infield assembly. Approved for indoor and outdoor installations.

Zone pump controller designed to work with the NCB, NFC, NFB, NFB-C and NHB series allowing control from 2 to 6 zone pumps.
2 Zones
3 Zones
4 Zones
6 Zones

Designed to sense supply, return or tank temperature of your hydronic heating system. Works with NFC, NFC-H, NHB, NFB, NFB-H and NFB-C series boilers.

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.