Navien · NPE-180S2
Navien NPE-180S2 – Condensing Tankless Water Heater – 150,000 BTU
$503.75
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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.
41 in stock
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Specifications
| Brand | Navien |
|---|---|
| Model | NPE-180S2 |
| 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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The Navien NPE-180S2 is a high-efficiency condensing tankless water heater built to provide continuous hot water for residential homes. With an input range of 15,000 to 150,000 BTU per hour and a Uniform Energy Factor of 0.96, this unit is Energy Star certified and delivers reliable performance with reduced energy costs. It supports flow rates up to 8.4 gallons per minute at a 35°F rise, making it well-suited for homes with multiple bathrooms or simultaneous hot water needs.
Engineered with dual stainless steel heat exchangers for enhanced durability and ultra condensing performance, the NPE-180S2 is designed for indoor or outdoor wall-hung installation. It includes the EZNav™ multi-line control panel with integrated HotButton™ control and supports cascading with up to 32 units using Navien’s Ready-Link system. Approved for direct venting, it supports 2″ venting up to 60 feet and 1/2″ gas line capability up to 24 feet, offering flexible, space-saving installation options.
Features
- Up to 150,000 BTU/h input capacity
- 0.96 UEF and Energy Star certified
- Flow rate: 8.4 GPM at 35°F rise
- Dual stainless steel heat exchangers
- Ultra condensing efficiency
- Low NOx emissions (20 ppm)
- Field convertible gas system (NG/LP)
- Indoor or outdoor wall-hung installation
- EZNav™ control panel with HotButton™
- Cascading capable with up to 32 units via Ready-Link
- Direct venting: 2″ PVC up to 60 feet
- 1/2″ gas pipe capable up to 24 feet
- Gas connection: 3/4″ NPT
- Water connections: 3/4″ hot and cold
- 120V, single phase operation
Applications
- Residential homes with high hot water demand
- Multi-bathroom households
- Compact installations needing wall-hung systems
- Projects requiring venting and gas line flexibility
- Multi-unit cascade setups for greater capacity
Product Includes
- 1 – Wall Mounting Bracket
- 4 – Tapping Screw and Anchor
- 2 – Vent Terminator
- 4 – Wall Flanges
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