WaterHeater Man Products

Water Heater Repair and Maintenance

Condensing Tankless Water Heaters

  • Ultra-Low NOx condensing technology provides 0.95 energy factor
  • Continuous maximum hot water flow rates up to 10.0 GPM
  • All residential models are ENERGY STAR® qualified
  • Primary heat exchanger is constructed of HRS35 Commercial-Grade copper
  • Secondary heat exchanger is made of Type 316L stainless steel
  • Indoor models include a built-in temperature controller and advanced diagnostics to simplify troubleshooting
  • Improved scale reduction software
  • Outdoor models include a wall mount temperature remote controller and advanced diagnostics to simplify troubleshooting

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Power Direct Vent

Continuous hot water, shower after shower!* The more hot water you need, the more you need a Vertex water heater. Through an inspired blend of innovation, efficiency and years of industry expertise, A. O. Smith has created a family of state-of-the-art products that provide a long-lasting supply of hot water during those times when everyone in your home needs it most. Vertex™ power direct-vent gas water heaters take high-demand homes to the pinnacle of hot water availability. Vertex offers up to 96% thermal efficiency with performance that rivals much larger water heaters. With its fully-condensing design, Vertex delivers “continuous hot water” - shower after shower, hour after hour. Yet it’s easy to install, with dimensions and installation requirements comparable to standard power direct-vent units.

  • Unprecedented levels of performance - 96% thermal efficiency
  • Continuous hot water - shower after shower, hour after hour when properly sized for your home*
  • An advanced internal heat exchanger with 100,000 BTU input, inspired by A. O. Smith’s time-tested Cyclone commercial design
  • Easy to install - dimensions similar to a standard 50-gallon power vent water heater
  • ENERGY STAR® Qualified

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NEXT Hybrid® Gas


  • Performs like a tankless model and can also handle high hot water demand periods
  • 90% thermal efficiency
  • Eliminates sudden interruptions in hot water delivery (“cold water sandwiches”)
  • Interactive controls with multiple lifestyle modes
  • Designed for the way you use hot water
  • Simple installation

How does the NEXT Hybrid® work?

The NEXT Hybrid water heater features a patented heat transfer process that utilizes a secondary heat exchanger to capture the heated flue gas from the tankless unit and route it back through a buffer tank to extract additional heat. The combined effort of the two technologies creates a superior, more energy-efficient performance.

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