Best Seller Npe-180a2 - 150,000 Btu Indoor / Outdoor Advanced Condensing Tankless Water Heater Your 50% Coupon Inside [HWKpMO0s]

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).

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.