NPE-240S2 - Condensing Tankless Water Heater - 199,000 BTU
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Navien NPE-240S2 - Condensing Tankless Water Heater - 199,000 BTU
The Navien NPE-240S2 is a premium condensing tankless water heater built to deliver reliable, high-capacity hot water for residential or commercial applications. With a powerful input range of 13,300 to 199,900 BTU/h and an impressive 0.96 UEF, it’s ENERGY STAR® certified for efficiency and performance. This unit delivers up to 11.2 gallons per minute at a 35°F temperature rise and operates at flow rates as low as 0.5 GPM, making it ideal for both large-volume and low-demand applications.
Designed for indoor or outdoor wall-hung installation, the NPE-240S2 features ultra condensing technology and durable dual stainless steel heat exchangers. It includes the intuitive EZNav™ control panel with a built-in HotButton™ interface and is compatible with NaviLink™ for remote access. The unit is field convertible between natural gas and propane and supports cascading of up to 12 units for expanded demand. With ultra-low NOx emissions and 1/2" gas line compatibility up to 24 feet, it offers maximum flexibility for a wide range of installations.
Features
- 199,900 BTU/h input with 0.96 UEF efficiency
- Up to 11.2 GPM at 35°F temperature rise
- Dual stainless steel heat exchangers
- Ultra condensing performance
- Low NOx emissions (20 ppm)
- Minimum flow rate: 0.5 GPM
- Indoor or outdoor wall-hung installation
- Field convertible gas system (NG or LP)
- EZNav™ control panel with HotButton™ interface
- Cascading capable with up to 12 units
- Common venting capable
- 1/2" gas pipe compatible up to 24 ft
- 2" venting up to 60 ft, 3" venting up to 150 ft
- 3/4" NPT connections for gas, hot, and cold water
- 120V, 60Hz, single-phase power supply
- CSA Listed, AHRI Certified, ENERGY STAR®, NSF Listed
Applications
- Residential homes with high simultaneous water demand
- Light commercial hot water systems
- Indoor or outdoor installations needing compact, wall-mounted design
- Projects requiring gas and venting flexibility
- Multi-unit cascade-ready setups
PNAV000037
All orders are picked and dispatched within 2 working day of ordering and are delivered 1-5 working days after dispatch. However, please allow up to 7 working days for delivery of your order.