Envirotemp's 40-Gallon Tall Low NOx Atmospheric Vent Natural 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 34,000 BTU Low NOx gas burner, this model delivers 66 gallons of hot water in the first hour. It features an electronic gas valve that 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. A. O. Smith’s 40-gallon model is designed with your safety in mind. With a 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 fused 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 the overall life of the water heater. This added protection comes with a 3-year limited warranty to give you additional peace of mind. Not sure if this is the right water heater for you? Use our product selector tool to see if this model is the right fit for your hot water needs.
Ideal hot water delivery for households with 3-4 people when sized appropriately
Environmentally friendly 34,000 BTU Low NOx gas burner delivers 66 gallons in the first hour
Electronic gas valve with vacation setting provides precise temperature control for optimum hot water delivery
Self-diagnostic electronic gas control incorporates an LED status indicator that monitors and reports on system operational status
Built-in safety system reduces the risk of accidental flammable vapor ignitions
Tall and slim 60.5-in H x 19.75-in diameter profile is designed for easier installation
Protective anode rod and fused ceramic tank shield provide superior tank protection and extend water heater life
Non-CFC polyurethane foam insulation and factory-installed heat trap nipples reduce heat loss for maximum efficiency and energy savings
3-year limited residential warranty gives you peace of mind