A. O. Smith's Signature 300 Series 40-gallon gas water heater provides reliable hot water for households with 3 to 4 people when sized appropriately. With an environmentally friendly 40,000 Btu/h Low-NOx gas burner, this flue damper model delivers 80 gallons of hot water in the first hour. This water heater does not require external power and is as simple as a standard atmospheric model. The automatic damper prevents cool air from traveling through the flue in standby mode to maintain overall heat and efficiency. The natural gas hot water heater is built with safety in mind. It has a safety system that reduces the risk of accidental flammable vapor ignitions. A factory-installed temperature and pressure relief valve and tamper-proof drain valve also ensure safe operation. This model is built to last. It features Tank Guard® which is designed to provide ultimate tank protection and increase lifespan of the water heater. This added protection comes with a 12-year limited warranty for additional peace of mind. Call 1-877-GOLowes to get this water heater installed.
Delivers the ideal amount of hot water for households with 3 to 4 people when sized appropriately
Fitted with an automatic flue damper that opens and closes automatically to increase efficiency and reduce heat loss in standby mode
Simple installation that uses standard 3-in or 4-in vent ducting and requires no power
Features an environmentally friendly 40,000 BTU low NOx gas burner that delivers 82 gallons in the first hour
Tank Guard® provides advanced tank protection that extends the life of your gas water heater
Tall, slim 62.5-in high x 20-in diameter profile enables easier installation in narrow spaces
High-altitude certified from 0 ft to 10,100 ft
Provides peace of mind with a 12-year limited tank and parts guarantee and a 3-year limited labor warranty