Navien NPE-180A2 Condensing Tankless Water Heater – 150,000 BTU, 8.4 GPM, Natural Gas & Propane
Key features
- 150,000 BTU/h input with 0.95 UEF efficiency
- Flow rate up to 8.4 GPM at 35°F (2°C) rise
- Dual stainless steel heat exchangers
- Built-in recirculation pump
Please note: this is the US version of this product, supplied with US gas fittings. A UK-compatible regulator and hose are needed to use it with UK propane or butane bottles, and we recommend having the connection checked by a Gas Safe registered engineer. Manufacturer warranty terms may differ for US-version products.
Never run out of hot water again. The Navien NPE-180A2 Condensing Tankless Water Heater heats water on demand, saving space and energy compared with a tank water heater.
Navien NPE-180A2 – Condensing Tankless Water Heater – 150,000 BTU
The Navien NPE-180A2 is a high-efficiency condensing tankless water heater designed for residential and light commercial use. With a capacity range of 10,000 to 150,000 BTU per hour and a Uniform Energy Factor of 0.95, it delivers powerful performance while minimizing energy waste. The unit provides a maximum flow rate of 8.4 GPM at a 35°F (2°C) temperature rise, making it suitable for multiple simultaneous hot water demands. Compact and wall-hung, it installs easily indoors or outdoors and supports field conversion between natural gas and propane.
Equipped with Navien’s dual stainless steel heat exchangers and a built-in recirculation pump, the NPE-180A2 offers exceptional durability and faster hot water delivery. It features the EZNavTM multi-line control panel with integrated HotButtonTM for user-friendly control, and it supports cascading and common venting with up to 12 units. Approved for 2″ (5.1 cm) or 3″ (7.6 cm) venting materials, it supports long vent runs and uses a 1/2″ gas line up to 24 feet (7.3 m). With ultra-low NOx emissions and multiple built-in features, the NPE-180A2 meets a wide range of installation needs with high efficiency and flexibility.
Features
- 150,000 BTU/h input with 0.95 UEF efficiency
- Flow rate up to 8.4 GPM at 35°F (2°C) rise
- Dual stainless steel heat exchangers
- Built-in recirculation pump
- Field convertible between natural gas and propane
- Ultra Low NOx emissions (20 ppm)
- EZNavTM multi-line control panel with HotButtonTM interface
- 1/2″ gas line capable up to 24 feet (7.3 m)
- Indoor or outdoor wall-hung installation
- Vents with 2″ (5.1 cm) up to 75 ft (22.9 m) or 3″ (7.6 cm) up to 150 ft (45.7 m)
- Cascading and common venting with up to 12 units
Applications
- Residential hot water systems
- Light commercial water heating
- Installations requiring high flow at high efficiency
- Projects needing venting flexibility and compact design
- Multi-unit configurations with cascading or common venting requirements
Navien NPE-A2 simply a smarter hot water system for today’s life styles
Navien…the proven leader in condensing tankless, makes it even easier to install and set up with the new NPE-A2 series
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Built-in recirculation system Navien’s patented ComfortFlow® system is the first to include a buffer tank, recirculation pump and fine-tuned controls into a tankless water heater, resolving the cold-water sandwich effect* and issues of minimal flow rates commonly found in other tankless water heaters. * The “cold-water sandwich effect” is the undesired introduction of cold water into the hot water supply line on occasions of frequent on/off operations. (Measure Guideline : Transitioning to a Tankless Water heater, DOE, Sept.2012). |
The built-in recirculation pump allows the NPE-A2 to recirculate water either through an external recirc line or through existing supply lines while using NaviCirc®, without the need for external pumps or controls.
Multi-line control with built-in intuitive softwareNavien’s new backlit EZNavTM control panel uses simple text and icons to make set up, operation status and troubleshooting faster and easier than ever before.
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Free UK delivery
Every order ships free to any address in the United Kingdom. Most orders arrive within 2–10 working days. As soon as your order is dispatched you will get a tracking link by email, and you can follow it any time on our Track Order page.
30-day returns
If you are not happy with your order you can return it within 30 days. Please contact us first so we can help and send you the return details.
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We accept Visa, Mastercard, American Express and Maestro debit and credit cards, plus Apple Pay and Google Pay. Payments are processed securely by Stripe over an encrypted connection, and we never see or store your full card details.
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