Navien Premium Efficiency condensing tankless water heaters are the #1 selling high-efficiency condensing tankless water heaters in North America. The NPE-2 series offers ultra-high efficiency up to 0.96 UEF to keep your utility bills low, endless hot water, and exclusive ComfortFlow® technology with a built-in recirculation pump and buffer tank.
NPE-A2 Series
High Efficiency Condensing Tankless Water Heaters
NPE-180A2
Max Input: 150,000 BTU/H
Max Input: 150,000 BTU/H
NPE-210A2
Max Input: 180,000 BTU/H
Max Input: 180,000 BTU/H
NPE-240A2
Max Input: 199,000 BTU/H
Max Input: 199,000 BTU/H
- Indoor or outdoor wall-hung
- Residential/Commercial
- ComfortFlow® Technology
- ½ gas pipe capable of 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
NPE-S2 Series Condensing Tankless Water Heater
NPE-150S2
Max Input: 120,000 BTU/H
Max Input: 120,000 BTU/H
NPE-180S2
Max Input: 150,000 BTU/H
Max Input: 150,000 BTU/H
NPE-210S2
Max Input: 180,000 BTU/H
Max Input: 180,000 BTU/H
NPE-240S2
Max Input: 199,000 BTU/H
Max Input: 199,000 BTU/H
- Indoor or outdoor wall-hung
- Residential/Commercial
- ½ gas pipe capable of 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
NPN-Universal Premium Non-Condensing Tankless Water Heaters
NPN-160U
Max DHW Input: 160,000 BTU/H
Max DHW Input: 160,000 BTU/H
NPN-180U
Max DHW Input: 180,000 BTU/H
Max DHW Input: 180,000 BTU/H
NPN-199U
Max DHW Input: 199,900 BTU/H
Max DHW Input: 199,900 BTU/H
- Indoor or outdoor wall-hung
- Residential/Commercial
- NaviTech stainless steel heat exchanger and burner
- Universal unit for indoor or outdoor installations
- NaviVent 3″ x 5″ concentric venting
- Available in NG or LP
- Cascading capable
- Low NOx emissions (20ppm)
NPN-Exterior Non-Condensing Tankless Water Heaters
NPN-160E
Max DHW Input: 160,000 BTU/H
Max DHW Input: 160,000 BTU/H
NPN-180E
Max DHW Input: 180,000 BTU/H
Max DHW Input: 180,000 BTU/H
NPN-199E
Max DHW Input: 199,900 BTU/H
Max DHW Input: 199,900 BTU/H
- Outdoor wall-hung
- Residential/Commercial
- Available in NG or LP
- NaviTech stainless steel heat exchanger and burner
- Exterior unit for outdoor installations
- Available in NG or LP
- Cascading capable
- Low NOx emissions (20ppm)
