A.O. Smith

A.O. Smith® 100294797 4-Chamber Electric Tankless Water Heater

AOSR4MA320E MFG #: 100294797
A.O. Smith® 100294797 4-Chamber Electric Tankless Water Heater
  • Power Rating: 32 kW
  • Temperature Rating: 90 to 140 degF
  • Voltage Rating: 240 VAC
  • Water Connection: 3/4 in NPT
  • Amperage Rating: 133 A
  • Commercial/Residential/Dual: Residential
  • Dimensions: 17 in W x 6-1/8 in D x 18-1/8 in H
  • Energy Factor: 0.93
  • Heating Element: Copper
  • Manufacturer: A.O. Smith
  • Manufacturer #: 100294797
  • Mounting Type: Wall
  • Pressure Rating: 150 psi
  • Recovery Rate: 2.7 gpm at 80 deg F Rise
  • Wire Size: 6 AWG
This Electric Tankless Water Heater feature dry fire protection that prevent element failure due to dry fire. It has a wide variety of kW and voltage option for every application.
Looking for model-specific repair or replacement parts? Enter the unit’s serial number into the A.O. Smith Parts Finder.

  • Features
  • Mounts easily to the wall and no venting is required
  • Continuous hot water when sized appropriately
  • Easy maintenance because there are no moving parts or screens to service
  • Self-diagnostics with leak detection shutdown