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Navien Top 5

Navien Water Heaters

Top Rated Gas Tankless
Water Heater

Navien manufacturing plant

Navien Water Heaters Manufacturing

Navien manufacturers its water heaters in South Korea. The company says that its factory in Seotan (about 1.5 hours from Seoul) is the largest boiler manufacturing plant in the world. The company was founded in 1978 as Kyung Dong Machinery Co., Ltd.

Types of Navien Water Heaters

Navien produces two lines of water heaters: the NPE-Advanced series (or NPE-A) and the NPE-Standard series (or NPE-S). The heaters in both series have some of the highest efficiency ratings around and many are ENERGY STAR certified. All the heaters are tankless and gas powered and use condensing technology.

Navien Tankless water heater Comfort Flo

Built-in recirculation system

Navien ComfortFlow® is the first to incorporate a built-in insulated buffer tank and recirculation pump. The insulated buffer tank enables the NPE-A2 to operate at minimal flow rates.

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.

Navien NPE-2 ComfortFlow-pump.png
Navien NPE-2 recirculation .png
Navien Tankless Water Heater EZNav.png

Multi-line control with built-in intuitive software 


Navien’s new backlit EZNav™ control panel uses simple text and icons to make set up, operation status and troubleshooting faster and easier than ever before.

  • Self-diagnostics.

  • Displays temperature and water flow rate.

  • Displays status of cascade operation.

  • Convertible display from °F to °C.

  • User Friendly Interface.

  • Easy setup.

Navien NPE-2 EZNav front panel.png

NPE-A2 Models

Navien Tankless Water Heaters.png
Navien Tankless Water Heaters.png
Navien Tankless Water Heaters.png

NPE-180A2

Max Input: 150,000 BTU/H

Indoor or outdoor wall-hung

Residential/Commercial

ComfortFlow® Technology

NPE-210A2

Max Input: 180,000 BTU/H

Indoor or outdoor wall-hung

Residential/Commercial

ComfortFlow® Technology

NPE-240A2

Max Input: 199,000 BTU/H

Indoor or outdoor wall-hung

Residential/Commercial

ComfortFlow® Technology

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