40-Gallon High Efficiency Flue Damper Tall Natural Gas Water Heater

Model LSN04040 100
Capacity (Gallons)
Fuel Source
Height Classification

  • Delivers 70-gallon first hour rating
  • 40,000 BTU input atmospheric vent design delivers up to 0.64 Uniform Energy Factor
  • Powered flue damper design automatically opens and closes to reduce heat loss in standby mode

    •
    40-Gallon High Efficiency Flue Damper Tall Natural Gas Water Heater
    Model LSN04040 100
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    Product Details
    • Delivers 70-gallon first hour rating
    • 40,000 BTU input atmospheric vent design delivers up to 0.64 Uniform Energy Factor
    • Powered flue damper design automatically opens and closes to reduce heat loss in standby mode
    • Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements
    • Automatic pilot relight system shuts reduces gas consumption and eliminates nuisance pilot outages
    • Glass tank lining protects against corrosion
    • Automatic cleaning system protects against sediment build-up
    • 6-year limited tank and parts warranty

      • The 40-Gallon Atmospheric Vent Tall Natural Gas Water Heater with Flue Damper offers highly optimized performance and increased efficiency thanks its automatic flue damper and electronic gas control.

    Specifications
    Tech Specs
    Nominal Gallon Capacity
    40 Gallons
    Rated Storage Volume
    38 Gallons
    UEF
    0.66
    Maximum BTUs
    40,000
    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"
    Emissions
    Low NOx
    First Hour Rating
    65 Gallons
    ASME Certified
    No
    LEED Rating
    1.00
    Blanket Included
    No
    Destination Country
    US
    Flue Diameter
    4.00
    Fuel Source
    NATURAL
    Height to T&P
    41.25
    Ignition Type
    Electronic Hot Surface Igniter
    Installation Type
    INDOOR
    Application
    RESIDENTIAL
    Shipping Height 
    50.75"
    Shipping Length 
    26.1"
    Shipping Width 
    23.25"
    Side Loop
    No
    Dimension & Venting
    Type
    Water Heater
    Height
    47.75"
    Diameter
    22 in."
    Shipping Weight
    146 lbs
    Vent Type
    Atmospheric Vent
    Height to Gas Valve
    11"