ProLine Master® 40-Gallon Tall Smart Grid-Capable Electric Water Heater with Leak Detection & Protection

Model HETFA-40 100
5 out of 5 Customer Rating
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Capacity (Gallons)
Height Classification

  • 63-gallon first hour rating
  • Leak Detection—Leak detection sensor sounds an audible alarm when water is detected
  • Automatic shut-off valve closes valve on incoming cold water inlet when leak is detected

    • ProLine Master® 40-Gallon Tall Smart Grid-Capable Electric Water Heater with Leak Detection & Protection
    Model HETFA-40 100
    5 out of 5 Customer Rating
    • bvseo_sdk, dw_cartridge, 18.2.0, p_sdk_3.2.0
    • CLOUD, getAggregateRating, 17ms
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    Product Details
    • 63-gallon first hour rating
    • Leak Detection—Leak detection sensor sounds an audible alarm when water is detected
    • Automatic shut-off valve closes valve on incoming cold water inlet when leak is detected
    • 8-Year limited warranty—Extendable by 4 years for added peace of mind
    • Adjust water temperature, operating modes, and schedule hot water demand with iCOMM™ Wi-Fi technology
    • Dual 5500-Watt heating elements provide fast recovery and reliable operation
    • Efficient and economical—CTA-2045 port enables connection to Utility Smart Grid programs
    • Enhanced-flow brass drain valve—Tamper-resistant, easy to operate, and allows quick draining during maintenance
    • Stainless steel heating elements—Longer-lasting compared to standard copper elements
    • Eco-friendly foam insulation and heat traps maximize energy savings

      • Looking for a smarter, safer, and more efficient way to heat water in your home? The ProLine® Master Smart Electric Grid-Capable Water Heater from A. O. Smith is the ultimate solution for modern homeowners. Packed with advanced features, these water heaters deliver reliable performance, energy savings, and peace of mind.
      Take control of your hot water like never before! With iCOMM™ Wi-Fi Technology, you can adjust water temperature, change operating modes, and schedule hot water demand—all from the convenience of your smartphone using the free A. O. Smith app. Plus, the built-in CTA-2045 port can connect to Utility Smart Grid Programs, helping you optimize energy usage and save on costs.
      Protect your home with advanced safety features:
      • Leak Detection Sensor: Alerts you immediately with an audible alarm if water is detected
      • Automatic Shut-Off Valve: Stops incoming water flow to prevent damage in case of a leak
      Enjoy peace of mind knowing this model is backed by an 8-Year Limited Warranty.

    Specifications
    Tech Specs
    Nominal Gallon Capacity
    40 Gallons
    Rated Storage Volume
    36 Gallons
    UEF
    0.93
    Power Source
    ELECTRIC
    Limited Tank Warranty
    8 Years
    Limited Parts Warranty
    8 Years
    Water Connection Location
    TOP
    Water Connection Size
    0.75"
    First Hour Rating
    63 Gallons
    ASME Certified
    No
    Blanket Included
    No
    Destination Country
    US
    Digital Display
    Yes
    Installation Type
    INDOOR
    Max Wattage
    4,500
    Number of Elements
    2
    Application
    RESIDENTIAL
    Shipping Height 
    63.81"
    Shipping Length 
    24.25"
    Shipping Width 
    21.13"
    Side Loop
    No
    Voltage
    240
    Dimension & Venting
    Type
    Water Heater
    Height
    60.5"
    Diameter
    20 in."
    Shipping Weight
    106 lbs
    Maintenance & Troubleshooting
    Troubleshooting

    Residential Connected Electric Water Heaters - RE3 - Blank Display

    Residential Connected Electric Water Heaters - RE3 - Checking and Replacing Lower Heating Element

    Residential Connected Electric Water Heaters - RE3 - Checking and Replacing Upper Heating Element

    Residential Connected Electric Water Heaters - RE3 - Error Code 021

    Residential Connected Electric Water Heaters - RE3 - Error Code 022

    Marketing Videos
    Residential Connected Electric Water Heaters - RE3 - Application & Installation
    All Reviews for Proline® Master Smart Electric Grid Capable Standard Electric with Electronic Thermostat Connected (100 series)
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