The NPE-S2 series of Premium Efficiency Condensing Tankless Water Heaters offer a high energy efficiency factor while providing more output, lower installation costs, and lower operating costs than your standard water heater. Other features include:

• Energy Star certified with up to a 0.96 Uniform Energy Factor
• Low nox emissions (20ppm)
• 2" PVC venting up to 75 feet and 1/2" gas line up to 24 feet saves time and cost of installation
• Field gas convertible units with high-altitude and LP orifice conversion kits included with every unit
• EZNav multi-line control with built-in intuitive software to make startup, operation, and troubleshooting faster and easier
• Durable dual stainless steel heat exchangers for longer life and faster heating