Custom Xi ™ Series Heavy Duty Commercial Electric Water Heater

Model DSE-20A
Capacity (Gallons)
Max Wattage

  • Advanced electronic control system provides precise temperature control and displays operating status
  • Built-in element sensing eliminates need for field testing and provides peace of mind
  • Built-in dry fire protection
  • Product Details
    • Advanced electronic control system provides precise temperature control and displays operating status
    • Built-in element sensing eliminates need for field testing and provides peace of mind
    • Built-in dry fire protection
    • Multiple element contactors are sequenced, preventing high amp electrical loads and delivers a smoother operating unit
    • Night setback operation automatically lowers the operating set point to reduce operating costs and save energy
    • Modbus/BACnet compatible with optional Gateway interface
    • Combination conventional sacrificial anode and adaptive powered anode provides superior tank protection
    • Heavy-duty incoloy sheathing elements provide excellent protection against oxidation and scaling
    • 3-year limited tank and 1-year limited parts warranty

    • The heavy-duty Custom Xi DSE series is available with storage capacities from 5 to 119 gallons. All tanks feature ASME tank construction. With input choices as high as 90 kW on 50 through 119 gallon models, the DSE Custom Xi series can be used for maximum-demand hot water supply service or as boosters for supplying sanitizing rinse water for dish washing. A. O. Smith offers the largest commercial product selection available, including the most specified commercial unit in the U.S. We offer more than 500 different commercial models, including gas fired, oil-fired and electric configurations, ranging in capacities from 5 to 10,000 gallons, with input range from 50,000 BTU to the equivalent of 4,000,000 BTU. Our comprehensive line is the natural fit for spec jobs requiring everything from the smallest commercial installation up to the largest multi-structure complex.

    Specifications
    Tech Specs
    Nominal Gallon Capacity
    20 Gallons
    Rated Storage Volume
    19.4 Gallons
    Power Source
    ELECTRIC
    Limited Tank Warranty
    3 Years
    Limited Parts Warranty
    1 Years
    T&P Relief Valve
    Yes
    Water Connection Location
    BOTH
    Water Connection Size
    0.75"
    ASME Certified
    Yes
    ASME Stamp
    HLW
    Amperes
    14.42
    Blanket Included
    No
    Destination Country
    US
    Height to T&P
    27.25
    Installation Type
    INDOOR
    Max Wattage
    3,000
    Number of Elements
    1
    Application
    SPECIALTY
    Shipping Height 
    31.75
    Shipping Length 
    28
    Shipping Width 
    29.63
    Side Loop
    No
    Voltage
    208
    Dimension & Venting
    Type
    Water Heater
    Height
    31.75"
    Diameter
    22 in."
    Width
    20.5"
    Shipping Weight
    175lbs
    Product Literature
    Technical Literature