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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 ES50-9-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-9-G Heavy Duty Electric Commercial Water Heater
Price: $3,581.28
Rheem ES50-9-G Heavy Duty Electric Commercial Water Heater
9KW - 50 Gal.
Please call to request electrical specs you require
Rheem ES50-6-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-6-G Heavy Duty Electric Commercial Water Heater
Price: $3,581.28
Rheem ES50-6-G Heavy Duty Electric Commercial Water Heater
6KW - 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: $3,581.28
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: $3,620.03
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: $3,633.98
Rheem ES50-18-G Heavy Duty Electric Commercial Water Heater
18KW - 50 Gal.
Please call to request electrical specs you require
Rheem ES85-18-G Heavy Duty Electric Commercial Water Heater
Rheem ES85-18-G Heavy Duty Electric Commercial Water Heater
Price: $4,553.13
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: $4,599.63
Rheem ES85-15-G Heavy Duty Electric Commercial Water Heater
15KW - 85 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: $4,599.63
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: $4,599.63
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: $4,599.63
Rheem ES85-12-G Heavy Duty Electric Commercial Water Heater
12KW - 85 Gal.
Please call to request electrical specs you require
Rheem E50-15-G Heavy Duty Electric Commercial Water Heater
Rheem E50-15-G Heavy Duty Electric Commercial Water Heater
Price: $4,908.85
Rheem E50-15-G Heavy Duty Electric Commercial Water Heater
15KW - 50 Gal.
Please call to request electrical specs you require
Immersion Thermostat
Rheem E50-12-G Heavy Duty Electric Commercial Water Heater
Rheem E50-12-G Heavy Duty Electric Commercial Water Heater
Price: $4,908.85
Rheem E50-12-G Heavy Duty Electric Commercial Water Heater
12KW - 50 Gal.
Please call to request electrical specs you require
Immersion Thermostat
Rheem E50-6-G Heavy Duty Electric Commercial Water Heater
Rheem E50-6-G Heavy Duty Electric Commercial Water Heater
Price: $4,908.85
Rheem E50-6-G Heavy Duty Electric Commercial Water Heater
6KW - 50 Gal.
Please call to request electrical specs you require
Immersion Thermostat
Rheem E50-9-G Heavy Duty Electric Commercial Water Heater
Rheem E50-9-G Heavy Duty Electric Commercial Water Heater
Price: $4,908.85
Rheem E50-9-G Heavy Duty Electric Commercial Water Heater
9KW - 50 Gal.
Please call to request electrical specs you require
Immersion Thermostat
Rheem E50-18-G Heavy Duty Electric Commercial Water Heater
Rheem E50-18-G Heavy Duty Electric Commercial Water Heater
Price: $4,918.15
Rheem E50-18-G Heavy Duty Electric Commercial Water Heater
18KW - 50 Gal.
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: $5,217.30
Rheem ES120-6-G Heavy Duty Electric Commercial Water Heater
6KW - 120 Gal.
Please call to request electrical specs you require
Rheem ES120-9-G Heavy Duty Electric Commercial Water Heater
Rheem ES120-9-G Heavy Duty Electric Commercial Water Heater
Price: $5,217.30
Rheem ES120-9-G Heavy Duty Electric Commercial Water Heater
9KW - 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: $5,217.30
Rheem ES120-15-G Heavy Duty Electric Commercial Water Heater
15KW - 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: $5,217.30
Rheem ES120-12-G Heavy Duty Electric Commercial Water Heater
12KW - 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: $5,230.48
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 E50A-6-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-6-G Heavy Duty Electric ASME Commercial Water Heater
Price: $5,230.48
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 E50A-15-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-15-G Heavy Duty Electric ASME Commercial Water Heater
Price: $5,230.48
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-12-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-12-G Heavy Duty Electric ASME Commercial Water Heater
Price: $5,230.48
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 E50A-18-G Heavy Duty Electric ASME Commercial Water Heater
Rheem E50A-18-G Heavy Duty Electric ASME Commercial Water Heater
Price: $5,239.78
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 ES50-24-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-24-G Heavy Duty Electric Commercial Water Heater
Price: $5,279.30
Rheem ES50-24-G Heavy Duty Electric Commercial Water Heater
24KW - 50 Gal.
Please call to request electrical specs you require
Rheem ES120-18-G Heavy Duty Electric Commercial Water Heater
Rheem ES120-18-G Heavy Duty Electric Commercial Water Heater
Price: $5,313.40
Rheem ES120-18-G Heavy Duty Electric Commercial Water Heater
18KW - 120 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: $5,356.80
Rheem ES50-27-G Heavy Duty Electric Commercial Water Heater
27KW - 50 Gal.
Please call to request electrical specs you require
Rheem ES50-30-G Heavy Duty Electric Commercial Water Heater
Rheem ES50-30-G Heavy Duty Electric Commercial Water Heater
Price: $5,432.75
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: $5,511.03
Rheem ES50-36-G Heavy Duty Electric Commercial Water Heater
36KW - 50 Gal.
Please call to request electrical specs you require
Rheem E85-9-G Heavy Duty Electric Commercial Water Heater
Rheem E85-9-G Heavy Duty Electric Commercial Water Heater
Price: $5,817.93
Rheem E85-9-G Heavy Duty Electric Commercial Water Heater
9KW - 85 Gal.
Please call to request electrical specs you require
Immersion Thermostat
Page 1 of 4 Page 1234movenext
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