

NPE-210S2 - Condensing Tankless Water Heater - 180,000 BTU
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Navien NPE-210S2 - Condensing Tankless Water Heater - 180,000 BTU
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
PNAV000020
Returns & Refunds
My plant arrived damaged or wilted — what do I do?
Email us at contact@shaqwayaliving.com within 24 hours of delivery with photos of the plant and its packaging. We'll send a free replacement or full refund. See our Returns & Refunds Policy for details.
Can I return a plant if I just change my mind?
Live plants aren't returned for change of mind — the 24-hour arrival guarantee covers quality and transit issues instead. Planters and plant-care accessories can be returned within 30 days for any reason.
How long do refunds take?
Once your return or claim is approved, refunds are processed within 5 business days to your original payment method. Your bank may take a few extra days to post the funds.
Shipping
How much does shipping cost?
Shipping is free on all orders, to both the US and UK.
How long will my order take?
Orders are prepared for shipment within 1–2 business days. Delivery then typically takes 2–4 business days within the US. See our Shipping Policy for UK delivery times and customs information.
How are plants packed for shipping?
Every plant ships in insulated, weather-aware packaging with moisture control and leaf protection, adjusted to conditions on your route, to keep it healthy in transit.
Can I track my order?
Yes — you'll automatically receive a tracking link by email once your order ships.

NPE-210S2 - Condensing Tankless Water Heater - 180,000 BTU
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