AO Smith HPTU-66N 66-Gallon Voltex Residential Hybrid Electric Heat Pump Water Heater

SKU: 11418



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AO Smith HPTU-66N 66-Gallon Voltex Residential Hybrid Electric Heat Pump Water Heater, 10 Yr Tank / Pts Warranty


  • The first “out-of-the-box” heaters in the market to meet Tier 3 of NEEA’s Advanced Water Heater Specification signifying excellent performance in cool climates (in addition to warm climates).
  • INCREASED ENERGY EFFICIENCY: Improved efficiency designed in, to ensure available hot water at the lowest possible cost. Up to a 3.24 Energy Factor (EF) Rating conserves energy and meets ENERGY STAR qualifications
  • CHOICE OF OPERATING MODES: Select from Efficiency, Hybrid, or Electric modes to match heating requirements to environmental conditions. Hybrid mode automatically adjusts between compressor and element, depending upon heat requirements. Vacation mode reduces operating costs and provides freeze protection during extended absence
  • BACKUP ELECTRIC ELEMENTS: Long-lasting backup heating elements help heat water according to environmental conditions, demand, and the chosen operating mode
  • COREGARD ANODE ROD: The 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. The 66 and 80 gallon models have dual anodes for added protection.
  • DRY FIRE PROTECTION: Control system checks to ensure the tank is full of water during start up to prevent dry firing the heating elements
  • ELECTRONIC USER INTERFACE: User-friendly electronic interface allows easy control of temperature setting, operating mode, and communicates diagnostics. Easy to read temperature display (see back) shows temperature in °F or °C. Advanced diagnostics convey error messages for service purposes. The last four error messages are saved in the control system memory.
  • Ideal for basements or garage installations; the compressor transfers heat to the water while dehumidifying and cooling the ambient air
  • Washable air filter is easily removed for routine cleaning
  • OPTIONAL AIR DUCT ADAPTER KIT: Permits installation in confined spaces



Item Type: Water Heater

Manufacturer: AO Smith

Height: (Inches)61″

Width: (Inches)27″

Diameter: 27″

Series: 30

Water Heater Type: Residential

Type: Tall

Water Connection Location: Side

Depth: (Inches)27″

Fuel Type: Electric

Rated Storage Volume: 66 Gallons

First Hour Rating: 78.6 Gallons

UEF: 0.92

Water Connection: 3/4″ NPT

Gallons:66 Gallons

Energy Star: Yes

Weight: 2.000000

Weight 300 lbs


66 gal


AO Smith HPTU-66N

AO Smith HPTU-66N
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