NHW-199SU

Allows all NPE, NPE-2, NPN, and NHW-A series models to control an external pump through the internal PCB.

Designed for NPE-A, NPE-A2, and NHW-A series. Allows for combined space heating and domestic hot water when paired with a recirculation pump (ComfortFlow™ on NPE-A and NPE-A2). Only works with AHU’s.

Designed for NPE-A. NPN-U, NPN-E, and NHW-A 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.

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

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

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-2, NPN-U, NPN-E, NCB-H, NFC-H, NFB-H, NHB, NHB-H and NHW-A). Works with only one Navien unit via Wi-Fi connection.

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.

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

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

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

NPE-2 series parts kit designed to help service in the field.

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

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

Navien Plumb Easy Valves (V2) are designed to provide ease of installation and operation as well as for quick maintenance on all tankless water heater models featuring a compact, versatile design that is easy to use.

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® 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, NFB-H, NHB-H, NHW-A 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, NHB-H, NFB and NFB-H series units for infield assembly. Approved for indoor and outdoor installations.

Designed for use with NPE-2, NPN, and NHW-A series tankless water heaters. Allows users to adjust temperature, set operational settings, and display operational info. Allows users to adjust temperature and set the timer for the recirculation activation on NPE-A2 models.