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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
6KW - 50 Gal.
Please call to request electrical specs you require
Rheem ES50-9-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-9-G Heavy Duty Electric Commercial Water Heater
Price: $2,290.08
Rheem ES50-9-G Heavy Duty Electric Commercial Water Heater
9KW - 50 Gal.
Please call to request electrical specs you require
Rheem ES50-12-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-12-G Heavy Duty Electric Commercial Water Heater
Price: $2,298.45
Rheem ES50-12-G Heavy Duty Electric Commercial Water Heater
12KW - 50 Gal.
Please call to request electrical specs you require
Rheem ES50-15-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-15-G Heavy Duty Electric Commercial Water Heater
Price: $2,341.00
Rheem ES50-15-G Heavy Duty Electric Commercial Water Heater
15KW - 50 Gal.
Please call to request electrical specs you require
Rheem ES50-18-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-18-G Heavy Duty Electric Commercial Water Heater
Price: $2,374.45
Rheem ES50-18-G Heavy Duty Electric Commercial Water Heater
18KW - 50 Gal.
Please call to request electrical specs you require
Rheem ES85-6-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-6-G Heavy Duty Electric Commercial Water Heater
Price: $2,811.48
Rheem ES85-6-G Heavy Duty Electric Commercial Water Heater
6KW - 85 Gal.
Please call to request electrical specs you require
Rheem ES85-9-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-9-G Heavy Duty Electric Commercial Water Heater
Price: $2,868.49
Rheem ES85-9-G Heavy Duty Electric Commercial Water Heater
9KW - 85 Gal.
Please call to request electrical specs you require
Rheem ES85-12-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-12-G Heavy Duty Electric Commercial Water Heater
Price: $2,876.85
Rheem ES85-12-G Heavy Duty Electric Commercial Water Heater
12KW - 85 Gal.
Please call to request electrical specs you require
Rheem E50-6-G Heavy Duty Electric Commercial Water Heater
Rheem E50-6-G Heavy Duty Electric Commercial Water Heater
Price: $2,933.86
Rheem E50-6-G Heavy Duty Electric Commercial Water Heater
6KW - 50 Gal.
Please call to request electrical specs you require
Immersion Thermostat
Rheem ES85-18-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-18-G Heavy Duty Electric Commercial Water Heater
Price: $2,975.66
Rheem ES85-18-G Heavy Duty Electric Commercial Water Heater
18KW - 85 Gal.
Please call to request electrical specs you require
Rheem ES85-15-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-15-G Heavy Duty Electric Commercial Water Heater
Price: $3,004.54
Rheem ES85-15-G Heavy Duty Electric Commercial Water Heater
15KW - 85 Gal.
Please call to request electrical specs you require
Rheem E50-9-G Heavy Duty Electric Commercial Water Heater
Rheem E50-9-G Heavy Duty Electric Commercial Water Heater
Price: $3,015.94
Rheem E50-9-G Heavy Duty Electric Commercial Water Heater
9KW - 50 Gal.
Please call to request electrical specs you require
Immersion Thermostat
Rheem E50-12-G Heavy Duty Electric Commercial Water Heater
Rheem E50-12-G Heavy Duty Electric Commercial Water Heater
Price: $3,096.51
Rheem E50-12-G Heavy Duty Electric Commercial Water Heater
12KW - 50 Gal.
Please call to request electrical specs you require
Immersion Thermostat
Rheem E50-15-G Heavy Duty Electric Commercial Water Heater
Rheem E50-15-G Heavy Duty Electric Commercial Water Heater
Price: $3,207.48
Rheem E50-15-G Heavy Duty Electric Commercial Water Heater
15KW - 50 Gal.
Please call to request electrical specs you require
Immersion Thermostat
Rheem E50-18-G Heavy Duty Electric Commercial Water Heater
Rheem E50-18-G Heavy Duty Electric Commercial Water Heater
Price: $3,213.56
Rheem E50-18-G Heavy Duty Electric Commercial Water Heater
18KW - 50 Gal.
Please call to request electrical specs you require
Immersion Thermostat
Rheem E50A-6-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-6-G Heavy Duty Electric ASME Commercial Water Heater
Price: $3,249.28
Rheem E50A-6-G Heavy Duty Electric ASME Commercial Water Heater
6KW - 50 Gal. ASME
Please call to request electrical specs you require
Immersion Thermostat
Rheem ES120-6-G Heavy Duty Electric Commercial Water Heater
Rheem ES120-6-G Heavy Duty Electric Commercial Water Heater
Price: $3,259.92
Rheem ES120-6-G Heavy Duty Electric Commercial Water Heater
6KW - 120 Gal.
Please call to request electrical specs you require
Rheem E50A-9-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-9-G Heavy Duty Electric ASME Commercial Water Heater
Price: $3,331.37
Rheem E50A-9-G Heavy Duty Electric ASME Commercial Water Heater
9KW - 50 Gal. ASME
Please call to request electrical specs you require
Immersion Thermostat
Rheem ES120-9-G Heavy Duty Electric Commercial Water Heater
Rheem ES120-9-G Heavy Duty Electric Commercial Water Heater
Price: $3,348.85
Rheem ES120-9-G Heavy Duty Electric Commercial Water Heater
9KW - 120 Gal.
Please call to request electrical specs you require
Rheem ES120-12-G Heavy Duty Electric Commercial Water Heater
Rheem ES120-12-G Heavy Duty Electric Commercial Water Heater
Price: $3,370.13
Rheem ES120-12-G Heavy Duty Electric Commercial Water Heater
12KW - 120 Gal.
Please call to request electrical specs you require
Rheem ES120-15-G Heavy Duty Electric Commercial Water Heater
Rheem ES120-15-G Heavy Duty Electric Commercial Water Heater
Price: $3,408.90
Rheem ES120-15-G Heavy Duty Electric Commercial Water Heater
15KW - 120 Gal.
Please call to request electrical specs you require
Rheem E50A-12-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-12-G Heavy Duty Electric ASME Commercial Water Heater
Price: $3,411.94
Rheem E50A-12-G Heavy Duty Electric ASME Commercial Water Heater
12KW - 50 Gal. ASME
Please call to request electrical specs you require
Immersion Thermostat
Rheem ES120-18-G Heavy Duty Electric Commercial Water Heater
Rheem ES120-18-G Heavy Duty Electric Commercial Water Heater
Price: $3,446.90
Rheem ES120-18-G Heavy Duty Electric Commercial Water Heater
18KW - 120 Gal.
Please call to request electrical specs you require
Rheem ES50-24-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-24-G Heavy Duty Electric Commercial Water Heater
Price: $3,449.18
Rheem ES50-24-G Heavy Duty Electric Commercial Water Heater
24KW - 50 Gal.
Please call to request electrical specs you require
Rheem ES50-27-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-27-G Heavy Duty Electric Commercial Water Heater
Price: $3,500.10
Rheem ES50-27-G Heavy Duty Electric Commercial Water Heater
27KW - 50 Gal.
Please call to request electrical specs you require
Rheem E50A-15-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-15-G Heavy Duty Electric ASME Commercial Water Heater
Price: $3,522.91
Rheem E50A-15-G Heavy Duty Electric ASME Commercial Water Heater
15KW - 50 Gal. ASME
Please call to request electrical specs you require
Immersion Thermostat
Rheem E50A-18-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-18-G Heavy Duty Electric ASME Commercial Water Heater
Price: $3,529.99
Rheem E50A-18-G Heavy Duty Electric ASME Commercial Water Heater
18KW - 50 Gal. ASME
Please call to request electrical specs you require
Immersion Thermostat
Rheem ES50-30-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-30-G Heavy Duty Electric Commercial Water Heater
Price: $3,550.27
Rheem ES50-30-G Heavy Duty Electric Commercial Water Heater
30KW - 50 Gal.
Please call to request electrical specs you require
Rheem ES50-36-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-36-G Heavy Duty Electric Commercial Water Heater
Price: $3,600.43
Rheem ES50-36-G Heavy Duty Electric Commercial Water Heater
36KW - 50 Gal.
Please call to request electrical specs you require
Rheem E85-6-G Heavy Duty Electric Commercial Water Heater
Rheem E85-6-G Heavy Duty Electric Commercial Water Heater
Price: $3,668.84
Rheem E85-6-G Heavy Duty Electric Commercial Water Heater
6KW - 85 Gal.
Please call to request electrical specs you require
Immersion Thermostat
Page 1 of 4 Page 1234movenext
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