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Heavy Duty Electric

Heavy Duty Electric Commercial Water Heaters are suitable for general commercial hot water applications and are also ideal for point-of-use installations. Limited Warranty: 3-year tank, 1-year parts.

Available Capacities:
50, 85, and 120 gallons

Available Warranties:
3 year limited tank warranty

Certifications & Ratings:
  • Efficiency: In accordance with ANSI est procedures, these models tested below the maximum allowable standby loss levels of ASHRAE Standard 90.1b-2001. Also exceeds energy efficiency does of all states including California Energy Commission.
  • Safety & Construction: These products are design certified by Underwriters Laboratories (UL) to meet UL standard 1453 as electric booster and commercial storage tank water heaters. All models are North Carolina code compliant.
    • Certified for a 150 PSI Maximum Working Pressure (160 PSI for ASME Models)
  • Optional Construction: ASME construction is available on immersion thermostat models.

For more information on this product please view the Sheet(s) below:

Heavy-Duty Series Specification Sheet


Heavy-Duty Series Use and Care Manual



Displaying products 1 - 30 of 101 results
Page 1 of 4 Page 1234movenext
Rheem ES50-6-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-6-G Heavy Duty Electric Commercial Water Heater
Price: $2,009.20
Rheem ES50-6-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-6-G Heavy Duty Electric Commercial Water Heater, 50 Gallons, 480V, 6 kW, 3 PH
Rheem ES50-9-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-9-G Heavy Duty Electric Commercial Water Heater
Price: $2,139.86
Rheem ES50-9-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-9-G Heavy Duty Electric Commercial Water Heater, 50 Gallons, 480V, 9 kW, 3 PH
Rheem ES50-12-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-12-G Heavy Duty Electric Commercial Water Heater
Price: $2,207.57
Rheem ES50-12-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-12-G Heavy Duty Electric Commercial Water Heater, 50 Gallons, 480V, 12 kW, 3 PH
Rheem ES50-15-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-15-G Heavy Duty Electric Commercial Water Heater
Price: $2,248.51
Rheem ES50-15-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-15-G Heavy Duty Electric Commercial Water Heater, 50 Gallons, 480V, 15 kW, 3 PH
Rheem ES50-18-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-18-G Heavy Duty Electric Commercial Water Heater
Price: $2,280.76
Rheem ES50-18-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-18-G Heavy Duty Electric Commercial Water Heater, 50 Gallons, 208V, 18 kW, 3 PH
Rheem ES85-12-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-12-G Heavy Duty Electric Commercial Water Heater
Price: $2,724.00
Rheem ES85-12-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-12-G Heavy Duty Electric Commercial Water Heater, 85 Gallons, 480V, 12 kW, 3 PH
Rheem ES85-6-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-6-G Heavy Duty Electric Commercial Water Heater
Price: $2,724.00
Rheem ES85-6-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-6-G Heavy Duty Electric Commercial Water Heater, 85 Gallons, 480V, 6 kW, 3 PH
Rheem ES85-9-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-9-G Heavy Duty Electric Commercial Water Heater
Price: $2,724.00
Rheem ES85-9-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-9-G Heavy Duty Electric Commercial Water Heater, 85 Gallons, 480V, 9 kW, 3 PH
Rheem E50-15-G Heavy Duty Electric Commercial Water Heater
Rheem E50-15-G Heavy Duty Electric Commercial Water Heater
Price: $2,767.34
Rheem E50-15-G Heavy Duty Electric Commercial Water Heater
Rheem E50-15-G Heavy Duty Electric Commercial Water Heater, 50 Gallons, 480V, 15 kW, 3 PH
Rheem E50-12-G Heavy Duty Electric Commercial Water Heater
Rheem E50-12-G Heavy Duty Electric Commercial Water Heater
Price: $2,767.37
Rheem E50-12-G Heavy Duty Electric Commercial Water Heater
Rheem E50-12-G Heavy Duty Electric Commercial Water Heater, 50 Gallons, 480V, 12 kW, 3 PH
Rheem ES85-15-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-15-G Heavy Duty Electric Commercial Water Heater
Price: $2,838.14
Rheem ES85-15-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-15-G Heavy Duty Electric Commercial Water Heater, 85 Gallons, 480V, 15 kW, 3 PH
Rheem E50-6-G Heavy Duty Electric Commercial Water Heater
Rheem E50-6-G Heavy Duty Electric Commercial Water Heater
Price: $2,893.12
Rheem E50-6-G Heavy Duty Electric Commercial Water Heater
Rheem E50-6-G Heavy Duty Electric Commercial Water Heater, 50 Gallons, 480V, 6 kW, 3 PH
Rheem E50-9-G Heavy Duty Electric Commercial Water Heater
Rheem E50-9-G Heavy Duty Electric Commercial Water Heater
Price: $2,893.12
Rheem E50-9-G Heavy Duty Electric Commercial Water Heater
Rheem E50-9-G Heavy Duty Electric Commercial Water Heater, 50 Gallons, 480V, 9 kW, 3 PH
Rheem ES85-18-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-18-G Heavy Duty Electric Commercial Water Heater
Price: $2,986.56
Rheem ES85-18-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-18-G Heavy Duty Electric Commercial Water Heater, 85 Gallons, 208V, 18 kW, 3 PH
Rheem E50-18-G Heavy Duty Electric Commercial Water Heater
Rheem E50-18-G Heavy Duty Electric Commercial Water Heater
Price: $3,003.08
Rheem E50-18-G Heavy Duty Electric Commercial Water Heater
Rheem E50-18-G Heavy Duty Electric Commercial Water Heater, 50 Gallons, 208V, 18 kW, 3 PH
Rheem ES120-12-G Heavy Duty Electric Commercial Water Heater
Rheem ES120-12-G Heavy Duty Electric Commercial Water Heater
Price: $3,149.45
Rheem ES120-12-G Heavy Duty Electric Commercial Water Heater
Rheem ES120-12-G Heavy Duty Electric Commercial Water Heater, 119.9 Gallons, 480V, 12 kW, 3 PH
Rheem ES120-6-G Heavy Duty Electric Commercial Water Heater
Rheem ES120-6-G Heavy Duty Electric Commercial Water Heater
Price: $3,151.37
Rheem ES120-6-G Heavy Duty Electric Commercial Water Heater
Rheem ES120-6-G Heavy Duty Electric Commercial Water Heater, 119.9 Gallons, 480V, 6 kW, 3 PH
Rheem ES120-9-G Heavy Duty Electric Commercial Water Heater
Rheem ES120-9-G Heavy Duty Electric Commercial Water Heater
Price: $3,151.37
Rheem ES120-9-G Heavy Duty Electric Commercial Water Heater
Rheem ES120-9-G Heavy Duty Electric Commercial Water Heater, 119.9 Gallons, 480V, 9 kW, 3 PH
Rheem E50A-6-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-6-G Heavy Duty Electric ASME Commercial Water Heater
Price: $3,160.28
Rheem E50A-6-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-6-G Heavy Duty Electric ASME Commercial Water Heater, 50 Gallons, 480V, 6 kW, 3 PH
Rheem ES120-15-G Heavy Duty Electric Commercial Water Heater
Rheem ES120-15-G Heavy Duty Electric Commercial Water Heater
Price: $3,184.45
Rheem ES120-15-G Heavy Duty Electric Commercial Water Heater
Rheem ES120-15-G Heavy Duty Electric Commercial Water Heater, 119.9 Gallons, 480V, 15 kW, 3 PH
Rheem ES50-24-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-24-G Heavy Duty Electric Commercial Water Heater
Price: $3,199.57
Rheem ES50-24-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-24-G Heavy Duty Electric Commercial Water Heater, 50 Gallons, 480V, 24 kW, 3 PH
Rheem E50A-9-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-9-G Heavy Duty Electric ASME Commercial Water Heater
Price: $3,260.25
Rheem E50A-9-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-9-G Heavy Duty Electric ASME Commercial Water Heater, 50 Gallons, 480V, 9 kW, 3 PH
Rheem ES50-27-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-27-G Heavy Duty Electric Commercial Water Heater
Price: $3,270.83
Rheem ES50-27-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-27-G Heavy Duty Electric Commercial Water Heater, 50 Gallons, 480V, 27 kW, 3 PH
Rheem ES120-18-G Heavy Duty Electric Commercial Water Heater
Rheem ES120-18-G Heavy Duty Electric Commercial Water Heater
Price: $3,310.59
Rheem ES120-18-G Heavy Duty Electric Commercial Water Heater
Rheem ES120-18-G Heavy Duty Electric Commercial Water Heater, 119.9 Gallons, 208V, 18 kW, 3 PH
Rheem ES50-30-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-30-G Heavy Duty Electric Commercial Water Heater
Price: $3,317.96
Rheem ES50-30-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-30-G Heavy Duty Electric Commercial Water Heater, 50 Gallons, 480V, 30 kW, 3 PH
Rheem E50A-12-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-12-G Heavy Duty Electric ASME Commercial Water Heater
Price: $3,340.98
Rheem E50A-12-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-12-G Heavy Duty Electric ASME Commercial Water Heater, 50 Gallons, 480V, 12 kW, 3 PH
Rheem ES50-36-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-36-G Heavy Duty Electric Commercial Water Heater
Price: $3,364.37
Rheem ES50-36-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-36-G Heavy Duty Electric Commercial Water Heater, 50 Gallons, 208V, 36 kW, 3 PH
Rheem E50A-15-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-15-G Heavy Duty Electric ASME Commercial Water Heater
Price: $3,449.31
Rheem E50A-15-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-15-G Heavy Duty Electric ASME Commercial Water Heater, 50 Gallons, 480V, 15 kW, 3 PH
Rheem E50A-18-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-18-G Heavy Duty Electric ASME Commercial Water Heater
Price: $3,468.40
Rheem E50A-18-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-18-G Heavy Duty Electric ASME Commercial Water Heater, 50 Gallons, 208V, 18 kW, 3 PH
Rheem ES85-24-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-24-G Heavy Duty Electric Commercial Water Heater
Price: $3,609.29
Rheem ES85-24-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-24-G Heavy Duty Electric Commercial Water Heater, 85 Gallons, 480V, 24 kW, 3 PH
Page 1 of 4 Page 1234movenext
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