- Power Rating: 4500 W
- Voltage Rating: 240 V
- Anode Rod Material: Zinc
- ASME Yes / No: No
- Dimensions: 20-1/2 in W x 49-3/4 in H
- Energy Factor: 0.92
- Heating Element: (2) Copper/Incoloy®
- Manufacturer: A.O. Smith
- Manufacturer #: ENS40
- Pressure Rating: 150 psi
- Recovery Rate: 21 gph at 90 deg F
- Series: ProLine
- Water Connection: 3/4 in MNPT
Looking for model-specific repair or replacement parts? Enter the unit’s serial number into the A.O. Smith Parts Finder.