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  • ENERGY STAR Certified
    Water Heaters

    Water heaters that earn the ENERGY STAR come with gas, solar or electric heat pump technology. They heat your water just like standard models but with much less energy, saving you up to $3500 over a unit’s lifetime.

Learn what to look for when buying and installing an ENERGY STAR certified water heater.

See buying guidance for:


American - T-H3J-OS-N : GT-240X3-NEH 1**Model Number Information

Description

  • ENERGY STAR Partner Field details:
    A.O. Smith Corporation
  • Type Field details:
    Gas Tankless
  • Fuel Field details:
    Natural Gas
  • Vent Type Field details:
    Power Vent
  • Max. Input Rate for Gas Products (Btu/hr) Field details:
    160000
  • Maximum Gallons Per Minute over 67°F rise Field details:
    4.7
  • Minimum Gallons Per Minute over 67°F rise Field details:
    4.7
  • Max. Amps Field details:
    5.0
  • Refrigerant TypeField details:
    Not Available

Efficiency

  • Uniform Energy Factor (UEF) Field details:
    0.95
  • Therms Per Year at 125°F outlet temp Field details:
    178

Size

  • Water Heater Depth (inches) Field details:
    11.0
  • Water Heater Height (inches) Field details:
    22.0
  • Water Heater Width (inches) Field details:
    18.0
  • Vent Size 1 (inches) Field details:
    0

Features

  • Connected Functionality Field details:
    No
  • ENERGY STAR Certified Field details:
    Yes

Market

  • Date Certified Field details:
    04/28/2022
  • Markets Field details:
    United States, Canada

Additional Model Identification

ENERGY STAR Unique IDField details: 2395199