A.O. Smith

A.O. Smith® EELBU50 ProLine® Grid-Capable Lowboy Electric Water Heater, 48 gal tank, 240V, 4500W

AOSEELBU50MAR MFG #: EELBU50 MARS19
A.O. Smith® EELBU50 ProLine® Grid-Capable Lowboy Electric Water Heater, 48 gal tank, 240V, 4500W
  • Tank Capacity: 48 gal
  • Voltage Rating: 240 V
  • Dimensions: 26-1/2 in W x 34 in H
  • Energy Factor: 0.92
  • Manufacturer: A.O. Smith
  • Manufacturer #: EELBU50 MARS19
  • Pressure Rating: 150 psi
  • Series: EELBU
  • Temperature Rating: 21 gph at 90 deg F
  • Type: Lowboy
  • Water Connection: 3/4 in NPT
With a 48-gallon (nominal) tank delivering 4500 watts, the EELBU-50 delivers a first hour rating of 55 gallons at an Uniform Energy Factor of 0.92. The Coregard™ sacrificial anode helps protect the tank from the corrosive effects of water, and is accompanied by a 6-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.

  • Features
  • Equipped with Demand Response (CTA-2045 EcoPortCM) communication port that allows for participation in Utility Demand Response programs
  • Standard and vacation operating modes
  • Six-segment display
  • Diagnostic feedback
  • Element “Dry-Fire” protection
  • 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
  • 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