A. O. Smith's Signature Premier 40-Gallon Short Energy Smart 12-Year Limited Warranty Electric Water Heater is designed to provide efficient and reliable hot water for households with 2 to 3 people when sized appropriately. With a 0.92 Uniform Energy Factor, the Energy Smart 40-gallon is one of the smartest ways to heat water. While in Energy Smart mode, this water heater intelligently reacts to your hot water usage in order to reduce standby heat loss during low usage periods, saving you energy and money on your energy bills. This model features a control that is smart grid ready and allows for connectivity to utility systems via an optional CTA-2045 port adaptor and utility communication module. You can also review product diagnostics with an easy-to-use digital user interface. A. O. Smith's 40-gallon model is designed to last. It features dual stainless heating elements, 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. It also includes a self-cleaning dip tube designed to reduce sediment build-up and extend the overall life of the water heater. A factory-installed temperature and pressure relief valve and tamper-proof drain valve ensures safe operation. Get added peace of mind with the built-in leak detection alert functionality and a 12-year limited warranty. 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 2-3 people when sized appropriately
Two 5,500-watt premium stainless steel heating elements provide a first hour delivery of 54 gallons
Energy Smart® mode intelligently reacts to homeowner hot water use in order to reduce standby heat loss and save you money on your energy bills
Built-in leak detection and warning functionality alerts provide added peace of mind
Short 49.75-in H x 20.5-in diameter design is ideal for condensed spaces like under staircases and closet installations
Smart grid ready, connect via an optional CTA-2045 port adaptor and utility communication module
Premium heating elements, anode rod, self-cleaning dip tube 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
12-year limited residential warranty gives you peace of mind