A.O. Smith Signature 900 40-Gallon Short 9-year Warranty 50000-BTU Natural Gas Water Heater

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 9-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.