ProLine® 40-Gallon Atmospheric Vent Short Natural Gas Water Heater

Model XCRL-40 400
3.7 out of 5 Customer Rating
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Capacity (Gallons)
Limited Tank Warranty
Height Classification
Fuel Source
Advanced Options
First Hour Rating
Maximum BTU's
Side Loop
Diameter

  • Delivers 67-gallon first hour rating
  • 40,000 BTU input atmospheric vent design delivers up to 0.59 Uniform Energy Factor
  • Standard atmospheric vent installation with 3" or 4" B-vent, no power required

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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
    25.3 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
    3.2 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
    2.4 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
    61 gallons
    max tub size
    modal-cost
    tooltip
    The estimated annual cost to operate this water heater in your location
    $306/year
    est. energy cost
    Based on location results for Columbus, OH 43215
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    Edit Location / Advanced Settings
    Product Details
    • Delivers 67-gallon first hour rating
    • 40,000 BTU input atmospheric vent design delivers up to 0.59 Uniform Energy Factor
    • Standard atmospheric vent installation with 3" or 4" B-vent, no power required
    • Patented eco-friendly Green Choice® Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements
    • Push-button piezo ignitor makes lighting pilot fast & easy
    • 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
    • 10-year limited tank and parts warranty

      • The ProLine® 400/401 Series gas water heater is designed to deliver an economical performance that can lower your energy bills and also provide long-lasting value.

      Featuring a 40-gallon (nominal) tank and a 40,000 BTU gas burner, the XCRL-40 Standard Vent delivers a first hour rating of 67 gallons and a recovery rate of 41 gallons per hour. With an 0.59 Uniform Energy Factor, this water heater is not ENERGY STAR® certified. It carries a 10-year limited tank warranty, and meets Low NOx emission requirements.

      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
    40 Gallons
    Rated Storage Volume
    38 Gallons
    UEF
    0.58
    Maximum BTUs
    40,000
    Power Source
    GAS
    Limited Tank Warranty
    10 Years
    Limited Parts Warranty
    10 Years
    T&P Relief Valve
    Yes
    Water Connection Location
    TOP
    Water Connection Size
    0.75"
    First Hour Rating
    67 Gallons
    ASME Certified
    No
    Blanket Included
    No
    Destination Country
    US
    Flue Diameter
    4.00
    Fuel Source
    NATURAL
    Height to Gas Valve
    12.50
    Height to T&P
    41.25
    Ignition Type
    Pilot with Piezo Igniter
    Installation Type
    INDOOR
    Application
    RESIDENTIAL
    Product Tier
    ProLine®
    Shipping Height 
    51.31"
    Shipping Length 
    26.13"
    Shipping Width 
    23.13"
    Side Loop
    No
    Dimension & Venting
    Type
    Water Heater
    Height
    47.75"
    Diameter
    22 in."
    Shipping Weight
    135lbs
    Vent Type
    Atmospheric Vent
    Maintenance & Troubleshooting
    Maintenance

    Residential Series Atmospheric Vent Lighting the Pilot

    Troubleshooting

    Residential Series Atmospheric Vent Draft Test

    Residential Series Atmospheric Vent No Hot Water

    Residential Series Atmospheric Vent Status Code 1 Flash

    Residential Series Atmospheric Vent Status Code 2 Flash

    Residential Series Atmospheric Vent Status Code 4 Flash

    Residential Series Atmospheric Vent Status Code 5 Flash

    Residential Series Atmospheric Vent Status Code 7 Flash

    Residential Series Atmospheric Vent Status Code 8 Flash

    Residential Series Atmospheric Vent Status Code Light Continuous

    Marketing Videos
    Residential Series Atmospheric Vent Application and Installation
    Residential Series Atmospheric Vent Features and Benefits
    Residential Series Atmospheric Vent How It Works
    Find a Replacement
    Current Product
    Option 2
    ProLine® 40-Gallon Atmospheric Vent Short Natural Gas Water Heater
    ProLine® XE Ultra-Low NOx Indoor 160,000 BTU Condensing Natural Gas Tankless Water Heater
    XCRL-40
    ATI-240H
    current Product
    option 1
    Rebates up to $300 +
    Rebates up to $300 +
    Nominal Capacity
    40 Gallons
    Rated Storage Volume
    38 Gallons
    Diameter
    22 in."
    Width
    17.75"
    Depth
    25.5"
    11.25"
    Height
    47.75"
    23.63"
    Shipping Weight
    135lbs
    70lbs
    Power Source
    GAS
    GAS
    Limited Tank Warranty
    10 Years
    0 Years
    Limited Parts Warranty
    10 Years
    5 Years
    T&P Relief Valve
    Yes
    Water Connection Location
    TOP
    BOTTOM
    Water Connection Size
    0.75"
    First Hour Rating
    67 Gallons
    Thermal Efficiency
    0%
    0%
    All Reviews for ProLine® Atmospheric Vent (400 series)
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