66 Gallon ProMax Residential Electric Water Heater - Tall Model Zoom

66 Gallon ProMax Residential Electric Water Heater - Tall Model


Brand: AO Smith

AO Smith
ECT-66 has been discontinued.
Please contact customer service at
(888) 757-4774 for help finding an alternative.



Intended Household: 5+ Person
Application: Plumbing
Capacity (Gallons): 66
Fuel Type: Electric
Energy Star Rated: No
Number of Elements: 2
Energy Factor: 0.88
Max Input (KW): 6
Height (Inches): 60.25
Diameter (Inches): 22"
Weight (lbs): 178 lbs
Depth (Inches): 20.5"
1st Hour Delivery (Gallons): 72
Recovery 90°F Rise: 21 GPH
Warranty: 6 yr Tank/6 yr Parts Limited

Description for AO Smith ECT-66

ProMax electric water heaters offer exceptional energy savings and durability.


  • Dynaclean diffuser dip tube - helps reduce lime and sediment buildup while maximizing hot water output. Made from long-lasting PEX cross-linked polymer.
  • Coregard anode rod - aluminum anode with stainless steel core protects tank against corrosion longer than ordinary mild steel anodes.
  • Durable tamper-resistant brass drain valve
  • Permaglas glass coating - protects steel tank from corrosion.
  • CSA certified and ASME rated T&P relief valve
  • Meets or Exceeds the Federal Efficiency Standards effective January 20, 2004, according to the National Appliance Energy Conservation Act (NAECA) of 1992. Also meets or exceeds the thermal efficiency and/or standby loss requirements of the US Department of Energy and current edition of ASHRAE/IESNA 90.1.
  • Certified to UL 174 for household electric water heaters

PLEASE NOTE: The product weighs 182 lbs. and may require the use of a
lift gate.
If you do require a lift gate at your delivery, you'll have the option to add this FREE of charge when you checkout.

66 Gallon ProMax Residential Electric Water Heater - Tall Model

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  • 66 Gallon ProMax Residential Electric Water Heater - Tall Model


    Is this a new or a refurbished AO Smith 66 gal.water heater?
    Asked on 10/12/2010 by ed from middletown n.j

    2 answers



      All of our products are new; we do not sell refurbished products.

      Answered on 10/12/2010 by PexSupply Staff from NY


      Seems new to me. Anne, Louisiana

      Answered on 1/9/2011 by Anne from Louisiana
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