Navien NPE-210S2 Condensing Tankless Water Heater — 180,000 BTU, 10.1 GPM
$666.01
Free standard shipping within the United States. Shipping details
Wall-hung condensing tankless water heater rated 12,000–180,000 BTU/h with a 0.96 UEF and 10.1 GPM at a 35°F rise.
- Free U.S. shippingStandard delivery included
- Ships in 1 dayDelivered in 3-5 days
- 30-day returnsUnused, uninstalled items
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Do I have to pay for shipping?
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.
Can I track my order?
Yes, definitely! As soon as your order ships, we’ll send you a confirmation email with your tracking number.
You can follow your delivery anytime by clicking the “Track Your Order” icon in our website menu. Simply enter your tracking number to see the latest updates on your package’s journey to your door.
The NPE-210S2 sits in the middle of Navien’s condensing NPE-2 tankless line: enough capacity for a busy family home or a small commercial hot water load, without the footprint of a storage tank. It modulates from 12,000 up to 180,000 BTU/h, so it holds a steady outlet temperature on a single lavatory tap as readily as on several fixtures at once.
At a 35°F rise it delivers up to 10.1 GPM, which in most of the country covers two showers plus a sink running together. Dual stainless steel heat exchangers carry the condensing duty, and the unit can be cascaded with up to 16 others or common-vented with up to 12 where a single appliance cannot cover the load.
Specifications
| Type | Condensing tankless water heater |
|---|---|
| Input range | 12,000 – 180,000 BTU/h |
| Uniform Energy Factor | 0.96 |
| Max flow rate | 10.1 GPM at 35°F rise |
| Certification | ENERGY STAR certified |
| Heat exchanger | Dual stainless steel |
| Installation | Wall-hung, indoor or outdoor |
| Fuel | Natural gas or propane, field convertible (kit included) |
| Controls | EZNav multi-line control panel, HotButton recirculation control |
| Cascade | Up to 16 units; common venting up to 12 |
Before you order
Check the published Navien documentation for this model against the property: heat loss or hot water demand, gas supply and meter capacity, gas line sizing, venting route and materials, condensate disposal, electrical supply, and clearances. A condensing tankless water heater that is oversized for the load is not a safer choice — it cycles more and modulates less.
Grabllo sells equipment only. Gas, venting, electrical, and hydronic work must be carried out by an appropriately licensed professional, with any permits the local jurisdiction requires. Manufacturer warranty terms are set by Navien and normally depend on qualified installation and registration.





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