Enjoy an efficient and reliable hot water supply with A. O. Smith's Signature 100 Series 40-gallon hot water heater. It's designed to provide ample hot water for a household with 2 to 3 people when sized appropriately. A ceramic fused tank shield together with a protective anode rod help reduce internal tank corrosion. There is also a self-cleaning dip tube that reduces sediment buildup to further extend the life of the unit. 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.

• 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 53 gallons

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

• Tall, slim 61.25-in H x 18-in diameter profile enables easier installation in narrow spaces

• 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