ProLine® 38-Gallon Lowboy Side-Connect Electric Water Heater

Model ENJB-40W 100
3.4 out of 5 Customer Rating
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Capacity (Gallons)
First Hour Rating
Blanket
Limited Tank Warranty

  • Delivers 38-gallon first hour rating
  • Single commercial-grade heating element available in minimum 1,000 kW
  • Lowboy water heater designed for installation under a counter, in a crawl space or in other tight spaces

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    What to Expect from this Model
    modal-clock
    tooltip
    Number of minutes you can enjoy a shower before running out of hot water. Assumes a 2.1 GPM flow rate
    0 minutes
    single shower length
    modal-frame
    tooltip
    Number of back-to-back showers you can take without running out of hot water. Assumes a 2.1 GPM flow rate and an 8 minute shower length
    showers
    back-to-back
    modal-frame
    tooltip
    Number of showers you can take at the same time without running out of hot water. Assumes a 2.1 GPM flow rate and an 8 minute shower length
    1 showers
    at the same time
    modal-tank-capacity
    tooltip
    Biggest tub this water heater will fill without running out of hot water. Assumes a 5.0 GPM flow rate, and a 67% fill level
    gallons
    max tub size
    modal-cost
    tooltip
    The estimated annual cost to operate this water heater in your location
    $529/year
    est. energy cost
    Based on location results for Columbus, OH 43215
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    Product Details
    • Delivers 38-gallon first hour rating
    • Single commercial-grade heating element available in minimum 1,000 kW
    • Lowboy water heater designed for installation under a counter, in a crawl space or in other tight spaces
    • Side-mounted plumbing and electrical connections (optional top-mounted water connections for field conversion)
    • 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® Lowboy Side Connect electric water heater is designed to take up as little room as possible and is the ideal choice for when installation space is limited to tight spaces such as under counters and in crawl spaces. With a 38-gallon (nominal) tank, the ENJB-40w delivers a first hour rating of 38 gallons at a Uniform Energy Factor of 0.91. The sacrificial anode helps protect the tank from the corrosive effects of water, and is 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
    38 Gallons
    Rated Storage Volume
    35 Gallons
    UEF
    0.91
    Power Source
    ELECTRIC
    Limited Tank Warranty
    6 Years
    Limited Parts Warranty
    6 Years
    Water Connection Location
    SIDE
    Water Connection Size
    0.75"
    First Hour Rating
    38 Gallons
    ASME Certified
    No
    Blanket Included
    Yes
    Destination Country
    US
    Installation Type
    INDOOR
    Max Wattage
    3,000
    Number of Elements
    1
    Application
    RESIDENTIAL
    Shipping Height 
    35.81"
    Shipping Length 
    30.25"
    Shipping Width 
    27.13"
    Side Loop
    No
    Voltage
    208
    Dimension & Venting
    Type
    Water Heater
    Height
    31.75"
    Diameter
    24 in."
    Shipping Weight
    118lbs
    All Reviews for ProLine® Lowboy Side-Connect (100 series)
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