40-Gallon Tall 35,500 BTU Natural Gas Water Heater - 6 Year Warranty

Model 6-40-NOCT 400
Capacity (Gallons)
Limited Tank Warranty
Height Classification
Fuel Source
Advanced Options
First Hour Rating
Maximum BTU's
Side Loop
Diameter

  • 6-year limited tank & parts warranty, 1-year labor warranty
  • 65-gallon first hour rating
  • Electronic gas control valve provides precise temperature control and operational status

    • 40-Gallon Tall 35,500 BTU Natural Gas Water Heater - 6 Year Warranty
    Model 6-40-NOCT 400
    Buy at
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    Buy at
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    What to Expect from this Model
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    Number of minutes you can enjoy a shower before running out of hot water. Assumes a 2.1 GPM flow rate
    24.8 minutes
    single shower length
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    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
    3.1 showers
    back-to-back
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    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
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    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
    60 gallons
    max tub size
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    The estimated annual cost to operate this water heater in your location
    $269/year
    est. energy cost
    Based on location results for Columbus, OH 43215
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    Edit Location / Advanced Settings
    Product Details
    • 6-year limited tank & parts warranty, 1-year labor warranty
    • 65-gallon first hour rating
    • Electronic gas control valve provides precise temperature control and operational status
    • Piezo igniter allows for easy one-hand pilot ignition without matches
    • PEX dip tube helps reduce sediment build-up and maintain efficiency
    • Glass-lined tank with anode rod protects against corrosion
    • Environmentally-Friendly Non-CFC foam insulation
    • Factory-installed PEX polymer lined heat trap nipples
    • Factory-installed temperature & pressure (T&P) relief valve

      • The 6-40-NOCT 40-Gallon Tall Atmospheric Vent Natural Gas Water Heater delivers ideal hot water for households with 4 people when sized appropriately. The 35,000 BTU gas burner delivers 65 gallons in the first hour.

      An electronic gas valve provides precise temperature control for optimum hot water delivery. The self-diagnostic electronic gas control monitors and reports on system operational status via an LED status indicator.

    Specifications
    Tech Specs
    Nominal Gallon Capacity
    40 Gallons
    Rated Storage Volume
    38 Gallons
    UEF
    0.66
    Maximum BTUs
    35,500
    Power Source
    GAS
    Limited Tank Warranty
    6 Years
    Limited Parts Warranty
    6 Years
    T&P Relief Valve
    Yes
    Water Connection Location
    TOP
    Water Connection Size
    0.75"
    First Hour Rating
    80 Gallons
    ASME Certified
    No
    Blanket Included
    No
    Destination Country
    US
    Flue Diameter
    4.00
    Fuel Source
    NATURAL
    Height to T&P
    51.75
    Ignition Type
    Pilot with Piezo Igniter
    Installation Type
    INDOOR
    Application
    RESIDENTIAL
    Shipping Height 
    62.31
    Shipping Length 
    24.13
    Shipping Width 
    21.13
    Side Loop
    No
    Dimension & Venting
    Type
    Water Heater
    Height
    58.25"
    Diameter
    20 in."
    Shipping Weight
    150 lbs
    Vent Type
    Atmospheric Vent
    Height to Gas Valve
    12.5"
    Maintenance & Troubleshooting Videos
    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