A.O. Smith

A.O. Smith® EESU40 ProLine® Grid-Capable Short Electric Water Heater, 40 gal tank, 240V, 4500W

AOSEESU40MAR MFG #: EESU40 MARS19
A.O. Smith® EESU40 ProLine® Grid-Capable Short Electric Water Heater, 40 gal tank, 240V, 4500W
  • Tall or Short: Short
  • Tank Capacity: 40 gal
  • Voltage Rating: 240 V
  • Dimensions: 20-1/2 in W x 49-3/4 in H
  • Energy Factor: 0.92
  • Manufacturer: A.O. Smith
  • Manufacturer #: EESU40 MARS19
  • Pressure Rating: 150 psi
  • Series: EESU
  • Temperature Rating: 21 gph at 90 deg F
  • Water Connection: 3/4 in NPT
With a 40-gallon (nominal) tank delivering 4,500 watts, the EESU-40 delivers a first hour rating of 53 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.

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