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Internet # 305229806

Model # ELD80-TB 480 Volt 12 kW

Store SO SKU #1003175785

Commercial Light Duty 80 Gal. 480 Volt 12 kW Multi Phase Field Convertible Electric Tank Water Heater

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  • Field Convertible sim to non-sim, single phase to three phase
  • Backed by Rheem's 3 year limited warranty
  • Call for an Installation Quote at 1-855-400-2552
  • View More Details
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Product Details

About This Product

Rheems light-duty commercial electric water heaters with Terminal Block are field convertible to meet any light duty hot water application need. Easily convert standard models from simultaneous to non-simultaneous and single phase to 3 phase. Models range from 30 through 120 Gal. They are available in 3kW through 12kW and in 208, 240, 277 and 480-Volt. Short models are available. All models shipped in simultaneous configuration.


  • Terminal block enables easy field level conversion for a variety of light duty applications
  • Easy to convert standard models from simultaneous to non-simultaneous, single phase to 3 phase
  • Factory shipped in simultaneous configuration
  • Energy efficient design reduces energy consumption and standby heat loss with 2-1/2 in. of rigid polyurethane foam insulation
  • Automatic temperature control with surface mounted thermostat automatically cycles on and off to maintain desired water temperature
  • Proprietary protective steel formulation with a unique coat of high temperature porcelain enamel
  • Design maximizes corrosion resistance & life of anode rod
  • Patented corrosion-resistant elements include double layer of magnesium oxide and copper to resist corrosion
  • Durable factory-installed full flow brass drain value
  • Low lead compliant
  • Call 1-855-400-2552 before noon for same-day service in most areas, or visit our Water Heater Installation page for more information.
  • Return Policy
  • California residents
     see Prop 65 WARNINGS

Product Information

Internet # 305229806

Model # ELD80-TB 480 Volt 12 kW

Store SO SKU #1003175785


Dimensions: H 59.625 in, W 23.75 in, D 23.75 in




Product Depth (in.)

23.75 in

Product Height (in.)

59.625 in

Product Width (in.)

23.75 in

Tank Valve Size (in.)

0.75 in

Water Connection Size (in.)

3/4 in


Amperage (A)

25.00 A

Application Type


Electricity Phase


Finish Family


First Hour of Delivery (gallons/hr)


Fuel Type


Household Size




Maximum Temperature (F)

170 F

Minimum Temperature (F)

110 F

Nominal Tank Capacity (gallons)

80 gal

Number of Elements


Pack Size


Product Weight (lb.)

220 lb

Recovery Rate at 100F Rise (gallons/hour)


Required Volt Connection

480 volt



Tank Lining Material


Tank Warranty

3 Year

Uniform Energy Factor


Water Heater Features

Glass-Lined Tank, Overheat Protection, Temperature Pressure Relief Valve

Water Heater Profile


Wattage (watts)

12000 W

Warranty / Certifications

Certifications and Listings

CSA Listed, UL Listed

Labor Warranty

No Warranty

Part Warranty

1 Year

Questions & Answers

Q:What is the maximum water pressure that this device can handle? Specifically get it handle 120 PSI.
by|Feb 10, 2024
1 Answer
Answer This Question

A:  Hi CAEmerson and thank you for your question. The pressure rating of the relief valve must not exceed 150 PSI, the maximum working pressure of the water heater as marked on the rating plate. Please also check local codes and your installer/plumber.

by|Feb 12, 2024
    Q:What is the first hour delivery gallons.
    by|Feb 10, 2024
    1 Answer
    Answer This Question

    A:  Hi CAEmerson and thank you for your question. Please call 800-432-8373, opt 2, 4 Mon-Fri: 9am-6pm for assistance.

    by|Feb 12, 2024
      Q:Our power supply is a 120/208 volt system. Is this the correct heater?
      by|Jan 27, 2024
      1 Answer
      Answer This Question

      A:  Hi Caroline and thank you for your question. No it is not.

      by|Jan 29, 2024
        Q:How many heating elements
        by|Jan 3, 2023
        1 Answer
        Answer This Question

        A:  Hi and thank you for your question. The unit you listed has 2 elements.

        by|Oct 14, 2023
          1 found this answer helpful
          Showing 1-4 of 5

          Customer Reviews

          4.5 out of 5

          • 4.5 out of 2 reviews
          • 0% recommend this product
          Filter by:
          Showing 1-2 of 2 reviews
          • Verified Purchase
          Couple wires inside was not connected. Good thing that I look before installing after that installation was easy
          Response from RheemJul 20, 2023

          Thank you for your review and feedback. We apologize for the inconvenience you may have experienced with our product. We always strive to provide a quality product and customer experience. We will certainly take your feedback to help our current and new customers have a better experience and product.

          Isaiah rheem
          • Verified Purchase
          Showing 1-2 of 2 reviews

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