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

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 NFB, NHB, NFC and NCB 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.

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.

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.

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, NFC, NFB and NHB series units.

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

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

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

PeakFlowE™ Replacement Media Cartridge.

PeakFlow™ Replacement Media Cartridge.

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.

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.

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.

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, NFB, NFB-C and NHB 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.