Navien · NPE-210S2
Navien NPE-210S2 – Condensing Tankless Water Heater – 180,000 BTU
$552.18
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Navien condensing tankless water heater. Review the specifications and confirm sizing, fuel configuration, and installation requirements with a qualified professional before purchase.
42 in stock
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Specifications
| Brand | Navien |
|---|---|
| Model | NPE-210S2 |
| Fuel compatibility | Natural gas, liquid propane conversion kit included |
| Condition | New |
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Not at all! We offer Free Standard Shipping on all orders within the United States. There are absolutely no hidden fees or extra costs—the price you see at checkout is the final price delivered to your door.
How long will it take for my order to arrive?
We work hard to get your equipment to you as fast as possible. Most orders are processed within 1 business day, and transit typically takes 2-4 business days. On average, you can expect your package at your doorstep within 3-5 business days.
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Yes, definitely! As soon as your order ships, we’ll send you a confirmation email with your tracking number.
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The Navien NPE-210S2 is a high-efficiency condensing tankless water heater designed to deliver continuous hot water in both residential and commercial settings. With input capacity ranging from 12,000 to 180,000 BTU/h and a Uniform Energy Factor of 0.96, it provides powerful, energy-saving performance. It delivers up to 10.1 gallons per minute at a 35°F rise and is ENERGY STAR certified for its high efficiency. Compact and wall-mounted, it installs indoors or outdoors and includes a field-convertible gas system with a conversion kit.
This model uses dual stainless steel heat exchangers for long-term durability and ultra condensing operation. It supports cascading with up to 16 units via Navien’s Ready-Link® technology and allows common venting with up to 12 units. The NPE-210S2 includes the EZNav™ multi-line control panel and built-in HotButton™ recirculation control, and it’s compatible with remote access via NaviLink™. It operates at elevations up to 10,100 feet and can use a 1/2″ gas line for runs up to 24 feet, providing installation flexibility across a range of applications.
Features
- 180,000 BTU/h input with 0.96 UEF
- Up to 10.1 GPM at 35°F temperature rise
- Dual stainless steel heat exchangers
- Ultra condensing efficiency
- Low NOx emissions (20 ppm)
- ENERGY STAR certified
- Field convertible gas system (NG or LP, kit included)
- Indoor or outdoor wall-hung installation (outdoor cap required)
- EZNav™ multi-line control panel
- Built-in HotButton™ for recirculation control
- Cascading capable (up to 16 units)
- Common venting up to 12 units
- 1/2″ gas line capable up to 24 feet
- Vent lengths: 2″ up to 75 ft, 3″ up to 150 ft
- Remote control capable (NaviLink™ compatible)
- Operates at elevations up to 10,100 ft
Applications
- Residential and commercial water heating
- Multi-bathroom homes or light commercial buildings
- Indoor or outdoor installations with limited space
- High-efficiency upgrades or replacements
- Multi-unit systems needing cascade or common venting capability






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