Replace your old unit with this A. O. Smith Signature 100 Series 40-gallon electric hot water heater. When sized appropriately, this small electric water heater offers efficient, reliable hot water for 2 to 3 person households, delivering 55 gallons of hot water the first hour thanks to dual copper heating elements. An anode rod and ceramic-fused tank shield reduce corrosion and provide the ultimate tank protection. This 40-gallon hot water heater also includes a self-cleaning dip tube that reduces sediment buildup and extends the overall life. Rely on the 6-year limited warranty for additional peace of mind. Want to save money on your energy bills? This electric hot water system operates at a 0.92 Uniform Energy Factor (UEF) to reduce energy consumption.

• Delivers the ideal amount of hot water for households with 2 to 3 people when sized appropriately

• Features two 4,500-watt copper heating elements that provide a first hour delivery of 55 gallons

• Operates at a 0.92 Uniform Energy Factor for maximum energy-efficiency and cost savings

• Has short 49.75-in H x 20.5-in diameter design ideal for condensed spaces like under a staircase or a closet installation

• 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

• Factory-installed temperature and pressure relief valve and tamper-proof drain valve ensures safe operation

• Provides peace of mind with a 6-year limited tank and parts guarantee and a 1-year limited labor warranty