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
• 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
Tankless Water Heater
Installation & Operation Manual
Quick Installation Manual
Wall Mounting Bracket
Four Tapping Screws & Anchors
LP or NG Conversion Kit
Two 2" Vent Termination Caps
Four 2" Wall Flanges
Spare Parts (fuse, etc.)
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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Alternate model number spelling: NNPN199UNG. Navien part number PNGW7000028U001