ProLine® Ultra-Low Nox Direct Vent 50-Gallon Gas Water Heater

Model GDNT-50L 100
4.1 out of 5 Customer Rating
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Capacity (Gallons)

  • Delivers 81-gallon first hour rating
  • 38,000 BTU input direct vent design delivers up to 0.65 Uniform Energy Factor
  • Direct vent design compatible with 1/2" gas connection
  • Product Details
    • Delivers 81-gallon first hour rating
    • 38,000 BTU input direct vent design delivers up to 0.65 Uniform Energy Factor
    • Direct vent design compatible with 1/2" gas connection
    • Durable Ultra-Low NOX Green Choice® gas burner includes strong stainless steel components to withstand high temperature applications and meets or exceeds emission requirements in California & Utah
    • Push-button piezo ignitor makes lighting pilot fast and easy
    • Flammable vapor resistant/direct vent sealed combustion system vents through outside wall or roof using air for combustion from outside building
    • Includes side mounted recirculation taps for easy installation with combination space heating/potable water heating applications
    • Patented Blue Diamond® glass tank lining protects against corrosion
    • DynaClean™ automates cleaning system protects against sediment build-up
    • 6-year limited tank and parts warranty

    • The ProLine XE® 50-Gallon Ultra-Low NOx Direct Vent Natural Gas Water Heater offer horizontal or vertical venting options in an FVIR solution to reduce the risk of accidental fires involving flammable vapors.

      Featuring a 50-gallon (nominal) tank and a 38,000 BTU gas burner, the GDNT-50L-100 Direct Vent Ultra-Low NOx delivers a first hour rating of 81 gallons and a recovery rate of 41 gallons per hour. It carries a 6-year limited tank warranty, and meets Ultra-Low NOx emission requirements.

      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.

      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
    Maximum BTUs
    38,000
    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
    Ultra-Low NOx
    ASME Certified
    No
    Blanket Included
    No
    Destination Country
    US
    Flue Diameter
    4.00
    Fuel Source
    NATURAL
    Height to Gas Valve
    13.00
    Height to T&P
    52.00
    Ignition Type
    Pilot with Piezo Igniter
    Installation Type
    INDOOR
    Application
    RESIDENTIAL
    Shipping Height 
    65.75"
    Shipping Length 
    31.5"
    Shipping Width 
    30.5"
    Side Loop
    No
    Dimension & Venting
    Type
    Water Heater
    Height
    58.75"
    Diameter
    22 in."
    Shipping Weight
    194lbs
    Vent Type
    Direct Vent
    Find a Replacement
    Current Product
    Option 2
    ProLine® Ultra-Low Nox Direct Vent 50-Gallon Gas Water Heater
    ProLine® XE Ultra-Low NOx Indoor 199,000 BTU Condensing Natural Gas Tankless Water Heater
    GDNT-50L
    ATI-540H
    Rebates up to $300 +
    Rebates up to $300 +
    Nominal Capacity
    50 Gallons
    Diameter
    22 in."
    Width
    17.75"
    Depth
    30.5"
    11.25"
    Height
    58.75"
    23.63"
    Shipping Weight
    194lbs
    70lbs
    Power Source
    GAS
    GAS
    Limited Tank Warranty
    6 Years
    15 Years
    Limited Parts Warranty
    6 Years
    5 Years
    T&P Relief Valve
    Yes
    Water Connection Location
    TOP
    BOTTOM
    Water Connection Size
    0.75"
    Thermal Efficiency
    0%
    0%
    All Reviews for ProLine® Leg Base Direct Vent Ultra-Low Nox (100 series)
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