A. O. Smith's Signature 900 Series 40-Gallon Short Ultra High Efficiency Condensing Natural Gas Water Heater is designed to provide efficient and reliable hot water for households up to 3 to 4 people when sized appropriately. With a 50,000 BTU gas burner, this model delivers 86 gallons of hot water in the first hour. That is up to 33% more hot water while using 31% less energy than standard gas water heaters due to its unique heat exchanger which is designed to deliver maximum efficiency, performance, and reliability for the everyday home. A. O. Smith's 40-Gallon model is designed with your safety in mind. Flame Guard® built-in safety system, this model reduces the risk of accidental flammable vapor ignitions. A factory-installed temperature and pressure relief valve and tamper-proof drain valve also ensures safe operation. This model is built to last. It features a protective anode rod and a ceramic infused tank shield designed to reduce corrosion and provide ultimate tank protection. It also features a self-cleaning dip tube designed to reduce sediment build-up and extend overall life of the water heater. This added protection comes with a 6-year limited warranty to give you additional peace of mind. Not sure if this water heater is right for you? Use our product selector tool to see if this model is the right fit for your hot water needs.
Delivers premium performance and hot water efficiency with up to 33% more hot water and consumes up to 31% less energy
Comes with a 50,000 BTU per hour burner to deliver up to 33% more hot water than standard technology
ENERGY STAR® Certified - Visit the Lowes website for additional eligible local rebates
Saves up to $95 per year on utilities with its advanced energy saving features
Tank Guard® provides advanced tank protection that extends the life of your gas water heater
Protects against accidental flame ignition with the built-in Flame Guard safety system
Provides maximum efficiency, performance and reliability with the unique condensing gas technology heat exchanger
Flexible venting kit allows for power vent or power direct vent installations
Provides peace of mind with a 6-year limited tank and parts guarantee and a 1-year limited labor warranty
