A. O. Smith's Signature 500 Series 40-Gallon Gas Water Heater is designed to provide efficient and reliable hot water for households with 3 to 4 people when sized appropriately. With an environmentally friendly 42,000 BTU Ultra Low NOx gas burner, this model delivers 76 gallons of hot water in the first hour. The electronic gas valve provides precise temperature control for optimum hot water delivery without the need for an external power source. For your convenience, the gas valve also includes an LED status indicator for diagnostics reporting and a push button ignition to simplify the startup process. This A. O. Smith 40-gallon gas hot water heater is designed with your safety in mind, featuring a built-in 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 ensures safe operation. This model is built to last. It features Tank Guard® which is designed to proivde ultimate tank protection and increase lifespan of the water heater. This added protection comes with a 6-year limited warranty to give you additional peace of mind. Want to save money on your energy bills? This model operates at a 0.70 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.
Delivers the ideal amount of hot water for households with 3 to 4 people when sized appropriately
Features an environmentally-friendly 42,000 BTU ultra-low NOx burner that delivers 76 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 fire from accidental flammable vapor ignitions
Tall, slim 66.88-in H x 20-in diameter profile enables easier installation in smaller spaces
Flexible power vent installation through the wall or roof up to 120 feet
High-altitude certified from 0 ft to 7,700 ft
Provides peace of mind with a 6-year limited tank and parts guarantee and a 1-year limited labor warranty