The RG2D50S6N from Bradford White is a 50 gal, Defender Atmospheric Vent w/ Damper HE Water Heater (NG). Comes with installed T&P Relief Valve.

Features:

• Defender FVIR system w/ ScreenLok flame arrestor prevents ignition of flammable vapors outside the water heater;
• Vitraglas enamel lining helps to extend tank life;
• Hydrojet sediment reducing device increases 1st hour delivery and minimizes temperature build-up in tank;
• Automatic flue damper w/ 10ft power cord (120VAC) - reduced stand-by loss and improves energy efficiency;
• 3" x 4" Snap-Lock draft diverter allows for 3" or 4" vent connections;
• Non-CFC foam covers the sides and top of the tank, reducing heat loss;
• Factory-installed heat traps reduce stand-by heat loss;
• Sight window allows to observe operation of pilot and burner;
• Protective magnesium anode rod;
• Pedestal base;
• Energy Star qualified.

Technical Specifications:

• Fuel: Natural Gas (NG);
• Nominal Capacity (Gallons): 50;
• Rated Storage Volume (Gallons): 47;
• Input (BTU): 40,000;
• Uniform Energy Factor: 0.69;
• Recovery Efficiency: 80%;
• 1st Hour Rating (Gallons): 83;
• Recovery Rise @90° F (GPH): 43;
• NOx Emissions: less than 40ng/J;
• Water Connections: 3/4" NPT;
• Max Working Pressure: 150 PSI;
• Ignition Type: Electronic;
• R-Value: 16;
• Vent Type: Atmospheric;
• Vent Size: 3" or 4" (adapter included);
• Vent Material: B-Vent;
• Power Supply: 120V, 60Hz;
• LEED Ratio: 1;
• Dimensions (Diameter x Height): 22" x 63-1/2";
• Weight (lbs): 174.

Warranty:

• 6-year limited tank warranties / 6-year limited warranty on components parts