Tankless hot water heaters provide you with endless, on-demand hot water. This is the second to the smallest natural gas/liquid propane tankless hot water heater Navien has to offer. It can handle the hot water for houses with one and a half bathrooms. Typically, all hot water heaters we offer can be on the way to you within 1-2 business days.
- Unit Type - Water Heater
- Product Line - NPE Series
- Unit Size - 150,000 BTU/H
- Wifi Enabled With NaviLink
- Remote Control Enabled
- ½ gas pipe capable up to 24'
- Field convertible gas system
- Ultra condensing efficiency
- Dual stainless steel heat exchangers
- Low NOx emissions (20ppm)
- SCH 40, 2" venting up to 75'
- Cascading capable
- EZNav multi-line control panel
- Built-in HotButton control panel
- Common vent up to 12 units
- 17.3" W x 27.4" H x 13.2" D
- Weight: 68 lbs
- Indoor or outdoor wall hung
- 2" exhaust & intake
- Standard Recirculation: 1-year labor, 5-year parts, 15-year heat exchangers
- Uncontrolled Recirculation: 1-year labor, 3-year parts, 5-year heat exchangers
- Call Navien's Technical Administration Department at (800) 519-8794.
- Energy Star - Yes
- UEF: .96
- AHRI Certified - Yes
- AHRI Number: 206368360
Actual Cost Savings
- Navien Tankless Operating Costs: $193 (over 22% energy savings over tanked hot water heater)
- Other Tankless Operating Costs: $249 (over 29% more expensive to operate than Navien)
- 50 Gallon Tank: $319 (almost 1.5x more costly to operate than Navien)
As of 2021, the NPE-180S2 replaces the NPE-180S.