the Navien NPE-S2 is our ultra high-efficiency tankless water heater, now with enhanced performance and advanced technology.
Backed by manufacturers warranty
- Ultra High Efficiency: Achieves up to 0.96 Uniform Energy Factor (UEF) and a 15:1 turndown ratio.
- Advanced Heat Exchangers: Equipped with dual stainless steel heat exchangers for enhanced durability and performance.
- EZNav™ Control System: Features an intuitive, multi-line control panel for easy setup and troubleshooting.
- Cascading and Common Venting: Supports cascading up to 32 units and common venting up to 12 units, reducing installation complexity.
- Versatile Installation: Compatible with 2" PVC up to 75 feet and 1/2" gas lines up to 24 feet.
The Navien NPE-S2 might be a good fit for you if you need a highly efficient water heater with advanced performance features. It offers ultra-high efficiency, durable dual stainless steel heat exchangers, and an intuitive EZNav™ Control System. This unit supports scalable solutions with cascading and common venting, and provides flexible installation options, making it a versatile choice for various applications.