50 Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty

Model 6-50-UNBRT 400
Capacity (Gallons)
Height Classification
UEF
Advanced Options
Limited Tank Warranty
Diameter

  • 6-year limited tank & parts warranty, 1-year labor warranty
  • 84-gallon first hour rating
  • Flammable vapor ignition-resistant design

    • 50 Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 6 Year Warranty
    Model 6-50-UNBRT 400
    Find a Local Retailer
    Find a Local Retailer
    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
    $291/year
    est. energy cost
    Based on location results for Columbus, OH 43215
    modal-edit
    Edit Location / Advanced Settings
    Product Details
    • 6-year limited tank & parts warranty, 1-year labor warranty
    • 84-gallon first hour rating
    • Flammable vapor ignition-resistant design
    • Flexible 3” or 4” venting option
    • All models meet South Coast Air Quality Management District Ultra Low NOx emission requirements
    • Enhanced combustion system
    • Smooth, efficient, and quiet operation

      • The 6-50-UNBRT 50-Gallon Tall Ultra-Low NOx Natural Gas Water Heater delivers ideal hot water for households with 4 people when sized appropriately. The environmentally friendly 40,000 BTU Ultra Low NOx gas burner delivers 84 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. A built-in safety system reduces the risk of accidental flammable vapor ignitions.

    Specifications
    Tech Specs
    Nominal Gallon Capacity
    50 Gallons
    Rated Storage Volume
    48 Gallons
    UEF
    0.61
    Maximum BTUs
    40,000
    Power Source
    GAS
    Limited Tank Warranty
    6 Years
    Limited Parts Warranty
    6 Years
    T&P Relief Valve
    Yes
    Water Connection Size
    0.75"
    Emissions
    Ultra-Low NOx
    First Hour Rating
    84 Gallons
    ASME Certified
    No
    Blanket Included
    No
    Destination Country
    US
    Flue Diameter
    4.00
    Fuel Source
    NATURAL
    Height to T&P
    50.50
    Ignition Type
    Pilot with Piezo Igniter
    Installation Type
    INDOOR
    Application
    RESIDENTIAL
    Shipping Height 
    60.375
    Shipping Length 
    26
    Shipping Width 
    21.13
    Side Loop
    No
    Dimension & Venting
    Type
    Water Heater
    Height
    57.25"
    Diameter
    20 in."
    Shipping Weight
    148 lbs
    Vent Type
    Atmospheric Vent
    Height to Gas Valve
    11"