50 Gal, ProLine XE Effex High-Efficiency Atmospheric Vent Water Heater (NG), 6-Yr Wrty
Brand: AO Smith
Part#: GAHH-50
Usually ships: within 20-24 business days
AO Smith ProLine XE, Effex series GAHH-50 model is a 50-gallon, natural gas (NG) high-efficiency fan-assisted atmospheric vent residential water heater with 6-year warranty. Energy Star qualified.

  • Energy Star qualified
  • Category 1, fan-assisted appliance with 10ft power cord (120VAC) and pressurized combustion system deliver high energy efficiency
  • Non-sacrificial (non-depleting) powered anode rod automatically adjusts operation to match water conditions
  • LCD user interface
  • Dynaclean diffuser dip tube reduces sediment build-up and improves long-term efficiency
  • Easily replaces existing atmoshperic vent water heaters and connects to existing B-Vent.
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Technical Specifications:
  • Fuel: Natural Gas (NG)
  • Nominal Capacity (Gallons): 50
  • Rated Storage Volume (Gallons): 48
  • Input (BTU): 40,000
  • Uniform Energy Factor: 0.72
  • 1st Hour Rating (Gallons): 80
  • Recovery @ 90°F Rise (GPH): 43
  • Anode: Powered
  • NOx Emissions: less than 40ng/J
  • Water Connections: 3/4" NPT
  • Water Connections Location: Side
  • Max Working Pressure: 150 PSI
  • Ignition Type: Electronic
  • Vent Type: Atmospheric (Standard)
  • Venting Size: 3" or 4"
  • Vent Material: B-Vent
  • Max Vent Run: 180ft
  • Elevation: 10,100 ft
  • Power Supply: 110/120V, power cord included (10 ft)
  • LEED Rating: 1
  • Foam thickness: 2"
  • Weight (lbs): 171.
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6-Year Limited Tank Warranty / 6-Year Limited Parts Warranty

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