Ensure everyone in your 3 to 4-person household has ample hot water with this A. O. Smith Signature 500 Series 40-gallon natural gas water heater. Featuring an environmentally friendly 40,000 BTU low NOx gas burner, this model offers optimum hot water delivery, providing 72 gallons of hot water in the first hour and utilizing an electronic gas valve for precision temperature control without an external power source. An LED status indicator on the gas valve enables easy diagnostic reporting, while the push-button ignition simplifies starting this 40-gallon short power vent water heater. Designed with safety and durability in mind, this A. O. Smith 40-gallon gas hot water heater includes thoughtful features for hassle-free operation. A built-in safety system reduces the risk of accidental flammable vapor ignitions, while the factory-installed pressure relief valve and tamper-proof drain valve ensure safe operation. To reduce corrosion and better protect the tank and extend the lifespan of the water heater, this model features Tank Guard®. A 6-year limited warranty gives you added peace of mind in the quality. Want to save money on your energy bills? This model operates at a 0.67 Uniform Energy Factor (UEF), which can reduce your energy consumption compared to less efficient models. Call 1-877-GOLowes to get this water heater installed same day.
Delivers the ideal amount of hot water for households with 3 to 4 people when sized appropriately
Features an environmentally friendly 40,000 BTU low NOx gas burner that delivers 72 gallons in the first hour
Electronic gas valve provides precise temperature control for optimum hot water delivery
Self-diagnostic electronic gas control incorporates an LED status indicator that monitors and reports on the system's operational status
Built-in safety system reduces the risk of accidental flammable vapor ignitions
Low-profile 59-in high x 22-in diameter design allows for easy installation in condensed spaces like under staircases and closet installations
Flexible power vent installation through the wall or roof up to 180 feet
High-altitude certified from 0 ft to 10,100 ft
Provides peace of mind with a 6-year limited tank and parts guarantee and a 1-year limited labor warranty