American Standard Short Low Boy GSN40L-1-3-6 Low NOx Residential Gas Water Heater - Tall 40 Gallons - 40,000 BTU Input - 61% Eff. - NATURAL 6 Year Warranty


American Standard Water Heater

American Standard GSN40L-1-3-6 Low NOx Residential Gas Water Heater - SHORT
40 Gallons - 40,000 BTU Input - 61% Eff. - NATURAL
6 Year Warranty

Installation Manual
Specification Sheet

  • GSN Low NOx
  • COMPLIES WITH NAECA REQUIREMENTS— effective April 16, 2015, and Federal Energy Conservation Standards, in accordance with the Energy Policy and Conversation Act, (EPCA), as amended. 
  • 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. N
  • ON-CFC FOAM INSULATED — Saves energy and reduces fuel costs by maximizing heat retention. 
  • HEAVY GAUGE STEEL TANK — For extra years of trouble-free service. 
  • GLASS-LINED TANK — Inner tank glass-lined with Dura-Glas™ and fired at 1600° F for optimum protection from the effects of corrosion. 
  • ALUMINUM ANODE ROD— To protect tank life. 
  • FACTORY INSTALLED DIELECTRIC HOT & COLD WATER CONNECTIONS — ¾" NPT water connections to extend tank life and for easier installations. 
  • BRASS DRAIN VALVE — ( Full Port Ball)- Designed to allow easy draining and avoid clogging. 
  • FACTORY INSTALLED HEAT TRAPS — Reduces standby heat loss in water piping. 
  • TEMPERATURE & PRESSURE RELIEF VALVE— Factory provided T & P Valve can be relocated from side to optional top opening. 
  • FACTORY INSTALLED ENERGY CUT-OFF SYSTEM — Automatic thermostat with built-in gas pressure regulation also incorporates energy cut-off switch to prevent abnormally high water temperature for added safety. 
  • DESIGN CERTIFIED BY CSA INTERNATIONAL— To meet or exceed ANSI requirements. Tested in accordance with D.O.E. procedures and meets or exceeds the energy efficiency requirements of ASHRAE and all state energy efficiency standards. 

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