Bradford White®

Bradford White® Defender Safety System® D-4-504S6FBN High Efficiency Gas Water Heater System, 40000 Btu/hr Heating, 50 gal Tank, Natural Gas Fuel, Atmospheric Vent, 42 gph at 90 deg F Recovery, Ultra Low NOx: No

1043520 MFG #: D-4-504S6FBN
$1,695.75 / ea
Bradford White® Defender Safety System® D-4-504S6FBN High Efficiency Gas Water Heater System, 40000 Btu/hr Heating, 50 gal Tank, Natural Gas Fuel, Atmospheric Vent, 42 gph at 90 deg F Recovery, Ultra Low NOx: No
  • Dimensions: 26-3/4 in D x 64-1/2 in H
  • Energy Factor: 0.8
  • Fuel Type: Natural Gas
  • Gas Connection: 1/2
  • Heating Capacity: 40000
  • Ignition Type: Pilot
  • Pressure Rating: 150
  • Recovery Rate: 42 gph at 90 deg F
  • Tank Capacity: 50
  • Type: High Efficiency
  • Ultra Low NOx: No
  • Vent Size: 3 x 4
  • Vent Type: Atmospheric
  • Water Connection: 3/4 in NPT

Bradford White® Defender Safety System® Gas Water Heater System, High Efficiency, 40000 Btu/hr Heating, Natural Gas, 1/2 in Gas Connection, 50 gal Tank, Pilot Ignition, Atmospheric Vent, 3 x 4 in Vent, 42 gph at 90 deg F Recovery, Energy Factor: 0.8, 3/4 in NPT Water Connection, 150 psi, Ultra Low Nox: No, 26-3/4 in D x 64-1/2 in H

These models feature an automatic flue damper that helps to reduce stand-by heat loss. The flue damper, combined with additional insulation and heat traps, helps these units achieve one of the highest Energy Factor (EF) ratings of our atmospheric vent models. These models qualify for the current Energy Star EF requirement and for the September 1st, 2010 EF requirement, as well as most utility company rebate programs.

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  • ENERGY STAR® qualified - These models qualify for the September 1st, 2010 minimum ENERGY STAR® EF requirement, as well as most utility rebate programs
  • Bradford White® ICON System™ - Intelligent gas control with spark to pilot ignition system eliminates the constant burning pilot, this results in savings of pilot gas during stand-by periods (120 VAC)
  • Automatic flue damper - Reduces stand-by heat loss, resulting in less gas consumption, higher energy factor ratings and improved overall efficiency
  • Advanced ScreenLok® technology flame arrestor design - Flame arrestor is designed to prevent ignition of flammable vapor outside of the water heater
  • Flammable vapor sensor - Electronic sensor prevents burner operation if flammable vapors are detected
  • Maintenance free - No regular cleaning of air inlet openings or flame arrestor is required under normal conditions
  • Sight window - Offers a view into the combustion chamber to observe the operation of the pilot and burner
  • Factory installed Hydrojet® total performance system - Cold water inlet sediment reducing device helps prevent sediment build up in tank
  • Increases first hour delivery of hot water while minimizing temperature build up in tank
  • Vitraglas® lining - Bradford White® tanks are lined with an exclusively engineered enamel formula that provides superior tank protection from the highly corrosive effects of hot water, this formula (Vitraglas®) is fused to the steel surface by firing at a temperature of over 1600 deg F (871 deg C)
  • 2 in Non-CFC foam insulation - Covers the side and top, reducing the amount of heat loss, this results in less energy consumption, improved operation efficiencies and jacket rigidity
  • Pedestal base
  • Water connections - 3/4 in NPT factory installed true dielectric fittings
  • Factory installed heat traps - Design incorporates a flexible disk that reduces heat loss in piping and eliminates the potential for noise generation
  • Protective magnesium rod - Provides added protection against corrosion for long trouble-free service
  • 3 x 4 in "Snap Lock" draft diverter - Allows either 3 or 4 in vent connections
  • Low restriction brass drain valve - Durable tamper proof design
  • Standard/Approvals: AHRI Certified, ANSI Z21.10.1, ASHRAE 90.1b, CEC Listed, CSA International (Formerly AGA/CGA), CSA LLC - Low Lead Compliant Certified, ENERGY STAR® Qualified, Energy Saver® Certified, NAECA Compliant
  • INCLUDES: Temperature and Pressure Relief Valve
  • WARRANTY: 6 Years Limited Tank and Component Parts