Rheem G100-80 Universal 100 Gallon Commercial 80,000 BTU Water Heater – Wholesale Water Heater

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RHEEM G100-80 Medium Duty 100 Gallon Commercial 80,000 BTU Natural Gas Water Heater

  • Brand: Rheem
  • Availability: In Stock
  • SKU: G100-80
  • Description
  • Specifications
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Commercial 100 Gallon Universal 80,000BTU Natural Gas Water Heater; Brand: Rheem; Model #: G100-80; Series: Rheem Universal; Automatic Flue Damper; Direct Spark-to-Pilot Ignition System; 3-Year Limited Tank Warranty; Space Saver Design; Used in Motels, Hotels, Gyms, Schools, Restaurants, and Businesses.

ModelG100-80Gallons100 galDiameter28-1/4"
Warranty3 YearsBTU80,000 BTUVent Size4"
Fuel TypeNatural GasEfficiency80%Vent TypeStandard
Bradford WhiteLG2100H853N85,00010080%28-1/4"69"
LochinvarCGN075 10075,000100n/a27-3/4"68-1/2"
StateSBS100 76NE75,000100n/a27-3/4"68-5/8"
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Specifications Manual Brochure Warranty

Medium duty gas commercial water heaters feature a compact design for greater installation flexibility in tight retrofit applications

Features and Benefits

The tighter the commercial retrofit, the more you will appreciate how this water heater's compact size simplifies installations. Choose from 80% Thermal Efficiency models that range from 54,000 - 80,000 Btu/h and have a maximum temperature setting of 160 degrees Fahrenheit.

Space Saver Design

Short heights and narrow jacket diameters offer the ultimate in installation flexibility.

Patented Technology

Proprietary steel formulation with a unique coat of high temperature porcelain enamel to maximize corrosion resistance resulting in a superior tank design.

Patented Anode Rods

Magnesium anode rods are used to ensure corrosion resistance for a long tank life.

Additional Features

Rigid foam insulation provides superior insulating qualities, improves efficiency and reduces operating costs. Our patented process of injecting foam into the insulating cavity adds additional durability.

Automatic Controls

Control system is designed to shut off gas if the pilot flame is extinguished. Relighting is a safe, easy procedure. Thermostat settings to 160°F. A built-in gas pressure regulator assures even gas flow.

 CSA/ASME Rated T&P Valve

Factory installed relief valve Full Port, Full Flow Brass Drain Valve Factory installed brass drain valve allows for faster draining and servicing.

High Altitude Compliant Some models are certified for applications up to 8,500 feet above sea level. Please consult factory for certification requirements.


3-Year limited tank warranty