Why we love this product.

  • High-efficiency condensing technology
  • Versatile installation options
  • Field convertible gas system for flexibility
  • Ultra condensing efficiency


Experience the ultimate in efficiency and versatility with the NPE-240S2 High-Efficiency Condensing Tankless Water Heater. Whether you need it for residential or commercial use, this tankless water heater offers superior performance and reliability. Invest in the NPE-240S2 and indulge in an uninterrupted supply of hot water without sacrificing efficiency or convenience. Experience the perfect balance of performance and comfort for your hot water needs.

NPE-240S2 Features

  • Maximum input of 199,900 BTU/h for powerful heating performance
  • Indoor or outdoor wall-hung design for versatile installation
  • Capable of using a ½” gas pipe up to 24′ for easy setup
  • Ultra condensing efficiency for optimal energy savings
  • Dual stainless steel heat exchangers for durability and reliability
  • Low NOx emissions of only 20ppm for eco-friendly operation
  • Supports SCH 40, 2″ venting up to 75′ for flexible venting options
  • Cascading capable of increased hot water demand
  • EZNav multi-line control panel for intuitive operation
  • Built-in HotButton control panel for added convenience
  • Common vent up to 12 units for simplified installation
  • Certifications and warranty for peace of mind
  • Compatible with various venting materials, including PVC, CPVC, polypropylene, and stainless steel, saving time and costs
  • Vent Installation Detector (VID) for enhanced safety during installation
  • Dual Venturi system for better combustion control and turndown ratio