Description
ProMax® Plus High Efficiency Electric Water Heaters

Features:
  • Meets Energy-Efficiency Requirements for Most Electric Utility Rebate Programs - 2 1/2" thick CFC-free foam insulation, external heat traps and other energy-saving features yield higher energy factors, which meet California Title 24 requirements as well as qualify for most utility rebate programs.
  • DYNACLEAN Diffuser Dip Tube - Helps reduce lime and sediment buildup, while maximizing hot water output. Made from long-lasting PEX cross-linked polymer.
  • Long-Lasting Low Watt Density Copper Lower Heating Element - Upper element is high-watt density copper.
  • COREGARD Anode Rod - Aluminum anode with stainless steel core protects tank against corrosion longer than ordinary 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 - Side-mounted T&P relief valve is standard; top-mounted T&P relief valve is available on select models.
  • Code of Compliance - Meets or Exceeds Minimum Energy Standards effective January 20, 2004, according to the Nation Appliance Energy Conservation Act (NAECA) of 1992. Also Meets or Exceeds the standby loss requirements of the U.S. Departement of Energy and Current Edition of ASHRAE/IESNA 90.1, ICC Codes and HUD Standards.
  • Certified to UL 174 for Household Electric Water Heaters
  • 6-Year Limited Tank and Parts Warranty - For complete information consult written warranty or A.O. Smith Water Products Company.
  • Optional Upgrade Tank Warranty to 10 Years Available
*NOTE: ECRT-52 Model Not Available w/ Top T&P Relief Valve.

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Specs
Intended Household:
3-4 Person
Application:
Plumbing
Capacity (Gallons):
50
Fuel Type:
Electric
Number of Elements:
2
Energy Star Rated:
No
Energy Factor:
0.93
Voltage:
240v
Max Input (KW):
6
Height (Inches):
56.5
Diameter (Inches):
21 1/2"
Weight (lbs):
135 lbs
Depth (Inches):
21-1/2"
1st Hour Delivery (Gallons):
60
Recovery 90°F Rise:
21 GPH
R-Value:
20
Features:
High Efficiency
Warranty:
6 yr Tank/6 yr Parts Limited
Wattage:
4500
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