United Plumbing & Fire Supplies
Navien NHW-160SE Non-Condensing Tankless Water Heater (Outdoor)
Navien NHW-160SE Non-Condensing Tankless Water Heater (Outdoor)
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Product Description:
The Navien NHW‑160SE is a high-efficiency, outdoor-only, non-condensing tankless water heater built with a premium stainless steel heat exchanger and burner. With 160,000 BTU of heating power and ultra-low NOₓ emissions, this model is ideal for residential installations in warmer climates where venting flexibility and corrosion resistance are essential.
Compact and wall-mountable, the NHW-160SE simplifies outdoor installations while delivering continuous, on-demand hot water with minimal maintenance.
Key Specifications & Benefits:
| Feature | Specification / Benefit |
|---|---|
| BTU Input | 160,000 BTU |
| Installation | Outdoor-only — no indoor venting or condensate drain required |
| Heat Exchanger | Stainless steel for long-term corrosion resistance |
| Burner | Stainless steel, high-efficiency design |
| Efficiency | 0.81 Uniform Energy Factor (UEF) |
| Flow Rate | ~4.6 GPM at 45°F temperature rise |
| Emissions | Ultra-low NOₓ (20 ppm) |
| Fuel Type | Natural Gas or Propane compatible |
| Dimensions | 17.3″ W × 26.5″ H × 10.3″ D |
| Warranty | 15-year heat exchanger, 5-year parts (residential) |
Why Choose NHW-160SE?
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Outdoor Flexibility: No venting, no condensate drain — perfect for exterior wall installs.
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Stainless Durability: Built to withstand the elements with all-stainless internal components.
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Compact & Efficient: Saves space while delivering reliable hot water on demand.
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Eco-Friendly: Meets strict NOₓ emission standards.
Ideal Applications:
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Outdoor residential installs
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Garages, patios, side-yard placements
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Homes upgrading from traditional tank systems
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