AO Smith ECT40

ECT-40 40 Gallon ProMax Residential Electric Water Heater - Tall Model

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AO Smith ECT40

AO Smith ECT-40 40 Gallon ProMax Residential Electric Water Heater - Tall Model
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Quick Specs:
Brand: AO Smith
UPC: 671657490799
Stock Id: SID256037
Type: Water Heaters
Height: 59.5"
Total Capacity: 40 Gallons
Volts: 240V
Technical Details
Power Source: Electric
Application: Plumbing
Diameter: 18"
Number of Elements: 2
Standard Input (KW): 4.5

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


  • Type: Water Heaters
  • Power Source: Electric
  • Application: Plumbing
  • Capacity: 40 Gallons
  • Number of Elements: 2
  • Voltage: 240v
  • Standard Input (KW): 4.5
  • Height: 59.5"
  • Diameter: 18"

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