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- With a 55-gallon (nominal) tank delivering 4,500 watts, the HNT-55 delivers a first hour rating of 72 gallons at an Uniform Energy Factor of 0.93. The Coregard™ sacrificial anode helps protect the tank from the corrosive effects of water, and is accompanied by a 8-year limited tank warranty. Looking for model-specific repair or replacement parts? Enter the unit’s serial number into the A.O. Smith Parts Finder.
HNT55 55GAL 8YR 4.5KW 240V TALL WTR HTR ZAR
- CoreGard™ Anode Rod - Our anode rods have a stainless steel core that extends the life of the anode rod allowing superior tank protection far longer than standard anode rods.
- Dual 5500 watt elements for the fastest recovery and reliable operation.
- Incoloy stainless steel elements last longer than standard copper elements.
- DynaClean™ Diffuser Dip Tube helps reduce lime and sediment buildup, maximizes hot water output. Made from long-lasting PEX cross-linked polymer.
- Eco-friendly non-CFC foam insulation, heat traps, and specially designed combustion chamber combine to produce a high Uniform Energy Factor for maximum savings on operating costs.
- Tall or ShortTallTank Capacity55 galVoltage Rating240 VAnode RodZincDimensions56-1/2 in H x 24 in WEnergy Factor0.93ManufacturerA.O. SmithManufacturer #HNT-55Nominal Capacity55 galSelf CleaningYesT&P Relief ValveYesWater Connection LocationTOPWater Connection Size3/4 in