A. O. Smith's Signature 100 Series 50-Gallon Short Electric Water Heater with a 6-Year Limited Warranty is designed to provide efficient and reliable hot water for households with 3 to 4 people when sized appropriately. A. O. Smith's 50-gallon model is designed to last. It features dual copper 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. 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 0.92 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 two 4,500-watt copper heating elements that provide a first hour delivery of 57 gallons Operates at a 0.92 Uniform Energy Factor for maximum energy-efficiency and cost savings Short 49.25-in H x 23-in diameter design, ideal for condensed spaces like under staircases or closet installations Provides superior tank protection and extends water heater life with premium heating elements, anode rod and fused ceramic tank shield Reduces heat loss with non-CFC polyurethane foam insulation and factory-installed heat trap nipples for maximum efficiency and energy savings Features easy temperature control with adjustable thermostat you can set higher or lower for dishwashers and laundry machines Provides peace of mind with a 6-year limited tank and parts guarantee and a 1-year limited labor warranty Factory-installed temperature and pressure relief valve and tamper-proof drain valve ensures safe operation Series Name: Signature 100 Type: Tank Depth (Inches): 23 Diameter (Inches): 23 Family Size: 4 Height (Inches): 49.25 Insulation Thickness (Inches): 2.5 Nominal Capacity (Gallons): 50 Rated Storage Capacity: 46-Gallon Water Connection Size: 3/4-in Weight (lbs.): 124 Width (Inches): 23 Annual Fuel Utilization Efficiency % (Percentage): 0 Foam Insulation: Yes For Use with Mobile Homes: No For Use with RVs: No GPH Recovery at 90 Degrees F (Gallons): 20.7 Grade: Residential Grid Capable: No Hybrid Heat Pump Technology: No Point of Use: No Power Source: Electric Super High Efficiency: No Temperature and Pressure Relief Valve: Yes Uniform Energy Factor: 0.92 Use Location: Indoor Voltage (Volts): 240 Warranty: 6-year limited Water Connection Location: Top Water Heater Style: Short Bluetooth Compatibility: No Smart Compatible: No Wi-Fi Compatibility: No Works with Amazon Alexa: No Works with Android: No Works with Apple HomeKit: No Works with iOS: No Works with SmartThings: No Works with the Google Assistant: No CA Residents: Prop 65 Warning(s): Yes ENERGY STAR Certified: No Safety Listing: CSA safety listing UNSPSC: 40101800