American Standard GSN40T1-3-12 NAT

American Standard GSN40T1-3-12 Low NOx Residential Gas Water Heater, Tall, 40 Gallons, 40,000 BTU Input, 61% Eff, Natural Gas, 12 Year Warranty

AMS-GSN40T1-3-12 NAT

Manufacturer part number:


GTIN: 00817215021399

American Standard


American Standard® Water Heaters is the recognized brand of larger homeowners as the most reliable, for their unique water heating requirements. American Standard® Gas Water Heater, Series: GN Series, 40000 Btu/hr Heating, Natural Gas, 40 gal Tank, Spark Ignition, 3 in Vent, 38 gph Recovery, Energy Factor: 0.62, 3/4 in NPT Water Connection, 150 psi, Tall or Short: Tall, Ultra Low Nox: Yes, Magnesium Anode Rod/Steel Tank, 18-5/16 in Diameter.

  • Complies with NAECA - CSA Certified & Meets ANSI & Energy Efficiency
  • Vaporshield Technology - Shuts off gas and air supply to heater to prevent prolonged vapor burn in combustion chamber should accidental or unattended ignition of flammable vapors occur outside the water heater.
  • Spark Igniter- Affords push button pilot lighting in lieu of matches
  • Maintenance Free- No periodic cleaning of combustion air inlet necessary under normal conditions
  • Self-Cleaning - Turbulence inducing cold water inlet-tube engineered to diminish hard water area sediment deposits.
  • Non-CFC Foam Insulated - Maximizes heat retention
  • Heavy Gauges Steel Tank - For extra years of trouble-free service
  • Glass-Lined Tank - Inner Tank glass-lined with Dura-Glas and fired at 1600 degrees for optimum protection from the effects of corrosion
  • Aluminum Anode Rod - To protect Tank life
  • Brass Drain Valve (Full Port Ball) - Allows for easy draining and avoid clogging
  • Factory Installed Heat Traps
  • Temperature and Pressure Release Valve - Can be relocated from side to optional top opening
  • 12 Year Limited Tank & Component Parts Warranty
Products specifications
Attribute nameAttribute value
DimensionsFloor to Top of Heater: 59-1/8 Inch, Floor to Top of Water: 60-5/8 Inch, Floor to Side Temperature and Pressure Release Valve: 53-7/8 Inch, Floor to Top of Vent: 62-3/8 Inch
Energy Efficiency0.62
FinishSteel Tank
Gas TypeNatural Gas
ManufacturerAmerican Standard
MaterialAluminum Anode Rod/Steel Tank
Recovery Rate38 GPH
Tank Capacity40 gal
Water Connection3/4 Inch NPT