Rheem 100 Gallon Medium Duty Commercial Gas 80,000 BTU Water Heater

Rheem 65-Gallon Medium Duty Water Heater are specifically designed to fill the needs for small restaurants, apartments, offices and more. Perfect for commercial applications requiring large amounts of hot water. ASME version.

  • Space-saving tank design
  • System Sentinel™ LED diagnostics
  • Multi-flue tank design
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SKU: R-100-MD-G100-80 Category:

Water Heater Description

Rheem 65-Gallon Medium Duty Water Heater with exclusive diagnostic system, with glowing LED lights, verifies system operation sequence by sequence. Proprietary steel formulation with a unique coat of high temperature porcelain enamel to maximize corrosion resistance resulting in a superior tank design.

Manufacturer SKU: G100-80

Manufacturer PDF: medium-duty-medium-duty-gas-spec-sheet

Water Heater Specifications




Natural Gas


Tank (whole house)

Tank Capacity (gallons)


Water Heater Warranty

Waterheaters.com will honor all warranties in accordance with manufacturer policies and procedures. Manufacturer warranty issues should be addresses directly with the manufacturer.

3 Years on Tank, 1 Year on Parts