ProLine® 50-Gallon Short Electric Water Heater

Model ENS-50 110
5 out of 5 Customer Rating
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Capacity (Gallons)
Limited Tank Warranty
Height Classification
Blanket
First Hour Rating

  • Delivers 57-gallon first hour rating
  • Dual 4,500-watt commercial-grade heating elements deliver reliable and efficient hot water
  • Long-lasting lower Incoloy™ stainless steel element

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    Product Details
    • Delivers 57-gallon first hour rating
    • Dual 4,500-watt commercial-grade heating elements deliver reliable and efficient hot water
    • Long-lasting lower Incoloy™ stainless steel element
    • HUD compliant, approved for mobile homes/manufactured housing
    • Patented Blue Diamond® glass tank lining protects against corrosion
    • DynaClean™ automatic cleaning system protects against sediment build-up
    • Stainless steel CoreGard™ anode rod protects against corrosion longer than ordinary anodes
    • Commercial-grade brass drain valve for durable and easy operation
    • CSA Certified and ASME Rated T&P Relief Valve, Factory-Installed
    • 6-year limited tank and parts warranty

      • The ProLine® Standard Electric water heater is the reliable choice when you want to maximize hot water output and energy savings. With a 50-gallon (nominal) tank and dual 4,500 watt elements, the ENS-50 delivers a first hour rating of 57 gallons at a highly efficient 0.95 Uniform Energy Factor rating. Environmentally-friendly insulation and factory-installed heat trap nipples reduce heat loss for maximum energy savings. This ProLine® water heater is designed with A. O. Smith's superior commercial-grade tank protection. Advanced tank features include stainless steel CoreGard™ anode rod, Blue Diamond® glass lining and DynaClean™ automatic sediment-cleaning system, all designed to help protect the tank from the corrosive effects of water and extend the life of the water heater. All of these features are accompanied by a 6-year limited tank warranty. A. O. Smith’s ProLine® water heaters are residential products built to commercial-grade standards and are only available for purchase through professional wholesalers and contractors.

    Specifications
    Tech Specs
    Nominal Gallon Capacity
    50 Gallons
    Rated Storage Volume
    46 Gallons
    UEF
    0.92
    Power Source
    ELECTRIC
    Limited Tank Warranty
    6 Years
    Limited Parts Warranty
    6 Years
    Water Connection Location
    TOP
    Water Connection Size
    0.75"
    First Hour Rating
    57 Gallons
    ASME Certified
    No
    Blanket Included
    No
    Destination Country
    US
    Installation Type
    INDOOR
    Max Wattage
    4,500
    Number of Elements
    2
    Application
    RESIDENTIAL
    Product Tier
    ProLine®
    Shipping Height 
    53.5"
    Shipping Length 
    26.25"
    Shipping Width 
    24"
    Side Loop
    No
    Voltage
    240
    Dimension & Venting
    Type
    Water Heater
    Height
    49.25"
    Diameter
    23 in."
    Shipping Weight
    142lbs
    Maintenance & Troubleshooting
    Maintenance

    ProLine® Electric Adjusting the Thermostat

    ProLine® Electric Application and Installation

    ProLine® Electric Checking and Replacing Lower Heating Element.

    ProLine® Electric Checking and Replacing Upper Heating Element.

    ProLine® Electric Not Enough Hot Water

    ProLine® Electric Replacing the Lower Thermostat

    ProLine® Electric Replacing the Upper Thermostat

    Troubleshooting

    ProLine® Electric Tripped ECO

    ProLine® No Hot Water

    Marketing Videos
    ProLine® Electric Features and Benefits
    ProLine® Electric How It Works
    All Reviews for ProLine® Standard Electric (110 series)
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