Navien NPN-199U NG Indoor/Outdoor Non-Condensing Tankless Water Heater


Weight: 70.00 lbs

Rush Order:

Current stock level: In stock as of
Ship out time: Within 1 business day.
Delivery time: 1 to 3 business days to most addresses

Navien NPN-199U NG Indoor/Outdoor Non-Condensing Tankless Water Heater


• NaviTech heat exchanger made of stainless steel
• Compatible with the NaviLink wireless remote control system
• Same heater works for both indoor or outdoor installations. Add the Outdoor Vent Kit to allow for use outdoors.
• NaviVent 3" x 5" concentric venting technology
• Cascading capable
• Low NOx emission level (20ppm)

Front Panel Command Center

• Easy setup
• Self-diagnostics
• User friendly interface
• Convertible display from °F to °C
• Cascade operation status display
• Temperature and water flow rate indicator

Optional Remote Control

• Recirculation timer setting
• Hot water output temperature control
• For cascade systems with external tanks, set the temperature
• For cascade systems, set the number of initial activating water heaters

asme-logo NSF logo ahri-seal CSA-certified


Box contents

Tankless Water Heater
Installation & Operation Manual
User Manual
Four Tapping Screws & Anchors


NPN-U Series Spec Sheet

Navien NPN-199U Installation and Operation Manual

Installation Help and Recommendations

We recommend that you have a professional tankless water heater installer review the above recommendations. Improper installation may cause loss of life and/or property. Need an installer? Get 4 FREE Tankless Water Heater Installation Estimates Now. It's Quick and Easy!
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Consumer purchases through the internet or other e-commerce channels shall void Navien's warranty. As with all products we sell, all Navien products we sell are brand new, recently manufactured ("factory fresh"). We guarantee delivery in perfect condition to our customers.

All items for sale on are genuine and new, not used. The NAVIEN, KD NAVIEN, NaviTech, NaviVent, ComfortFlow, Ready-Link, and NaviLink trademarks are the property of Navien America, Inc. and/or KyungDong Navien. Navien is not affiliated with and does not sponsor, endorse or warranty/support or products on this website.

Alternate model number spelling: NNPN199UNG. Navien part number PNGW7000028U001

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