Navien NR180ANG

NR-180A-NG Condensing Tankless Water Heater with Pump and Buffer Tank, Natural Gas

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Navien NR180ANG

Navien NR-180A-NG Condensing Tankless Water Heater with Pump and Buffer Tank, Natural Gas
Rating: (1 Reviews)
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Quick Specs:
Brand: Navien
UPC: 884954995434
Stock Id: SID231296
Venting Type: Direct Vent
Width: 17"
Height: 28"
Length: 14"
Technical Details
Installation Type: Indoor/Outdoor Wall-Hung
Material: Stainless Steel
Ignition: Electronic
uel Type: Natural Gas
Water Pressure (min-max): 15 - 150 PSI

With Navien Condensing 98 percent, you get the best of both worlds: the Best Value and "Ultra Condensing Efficiency", which offers substantial savings and contributes to a green-friendly environment. Plus, the installation and venting processes are easy, cost effective, and Navien's products are simply the best in quality and performance. Includes circulation pump and mini buffer tank.


  • 98 percent thermal efficiency. 0.94 energy factor
  • 17000 - 199000 BTU/hr
  • Flow rates - At 35 Degree Fahrenheit Rise : 10 GPM, At 45 Degree Fahrenheit Rise : 7.7 GPM, At 77 Degree Fahrenheit Rise : 3.8 GPM
  • Easy installation and PVC venting
  • Includes NR-10DU remote control


  • Input Heat Capacity (Gas and LP): Min: 15,000 Btu/h
  • Thermal Eciency: 98.0 %
  • Energy Factor (DOE): 0.94 / 0.96
  • Dimensions (W x H x D): 17x 28x 14
  • Weight : 88 lbs
  • Installation Type: Indoor / Outdoor Wall-Hung
  • Fuel Type: Natural Gas Only
  • Venting Type: Direct Vent
  • Ignition: Electronic Ignition
  • Water Pressure (min-max): 15 - 150 PSI
  • Gas Supply Pressure (from source; min-max): NG: 3.75 WC ~ 10.5WC / LP: 8 WC ~ 13.5 WC
  • Minimum Flow Rate to activate Water Heater: For A Model 0 GPM (no minimum ow rate requirement), Otherwise 0.5 GPM
  • Connection Sizes: 3/4 NP for Cold Water Inlet, Hot Water Inlet and Gas Inlet
  • Power Supply: 120VAC, 60Hz 200W (max 2A)
  • Primary and Condensing Heat Exchanger Material: Stainless Steel

Navien NR180ANG Reviews & Ratings

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Don Williams
From: kettle Falls, WA
Reviewed on: May 18, 2012
Overall Rating: 5.0

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Verified Owner
"The Navien tankless water heater is very well engineered. " Will Recommend: Yes
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