High Efficiency
Gas Water Heaters


Envirosense® SF Water Heater

Superior hot water delivery is now more attainable than ever. The Envirosense SF provides flexible, powerful and highly efficient performance to the everyday home. The fully condensing Envirosense SF design is so advanced, it can deliver continuous hot water at a constant flow of over 2.5 gallons per minute.*

Product Features

  • ENERGY STAR® Qualified with a 93% thermal efficiency
  • Condensing design provides highly efficient operation to save money on operating costs
  • Unique side fire design allows for optimal burner placement
  • Power vent and power direct vented with a single design
  • Side-mounted hot and cold recirculating taps allows this unit to be installed as part of combination space heating/water heating applications
  • Dual sacrificial heavy-duty anodes come standard, to protect the tank
  • Available in natural gas

*Continuous hot water based on 65,000 BTU unit, 2.8 GPM continuous flow with a 65°F inlet water temperature, 110°F outlet temperature, and installed per the manufacturer’s instructions.

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