40 Gal, ProLine Direct Vent Water Heater (NG), 6-Yr Wrty
Brand: AO Smith
Part#: GDV-40
Usually ships: within 20-24 business days
AO Smith ProLine series GDV-40 model is a 40-gallon, natural gas (NG), direct vent residential water heater with 6-year warranty.

Features:
  • Direct vent (draws air from outdoors), sealed combusion design
  • No power required
  • Blue Diamond glass coating prevents early corrosion of the tank, extending it's life
  • Dynaclean diffuser dip tube reduces sediment build-up and improves long-term efficiency
  • Coregard anode rod with stainless steel core
  • Heat trap nipple reduces stand-by energy loss
  • Push-button piezo ignitor
  • Vent kit sold separately.
 
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Technical Specifications:
  • Fuel: Natural Gas (NG)
  • Nominal Capacity (Gallons): 40
  • Rated Storage Volume (Gallons): 39
  • Input (BTU): 38,000
  • Uniform Energy Factor: 0.60
  • 1st Hour Rating (Gallons): 64
  • Recovery @ 90°F Rise (GPH): 41
  • Anode: CoreGard Sacrificial
  • NOx Emissions: less than 40ng/J
  • Water Connections: 3/4" NPT
  • Water Connections Location: Top
  • Max Working Pressure: 150 PSI
  • Ignition Type: Piezo push button ignitor
  • Vent Type: Direct
  • Vent Size: 3"/6" Co-Axial Pipe
  • Max Vent Run: 80" horizontal, 72" vertical
  • Elevation: 7,700 ft
  • Dimensions (Diameter x Height): 22" x 49-3/4" (64" w/ Draft Hood installed)
  • Insulation Thickness: 2"
  • Weight (lbs): 178.
 
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Warranty:
6-Year Limited Tank Warranty / 6-Year Limited Parts Warranty

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