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Residential Products
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Medium Duty

MODEL G100-80
3-Year limited tank warranty

Water Heater Warranty Upgrade Application

  • 48 to 100-Gallon Capacities
  • 54,000 to 80,000 BTU/h
  • Natural and LP Gas
Select Capacity
48
Gallons
75
Gallons
98
Gallons
100
Gallons

SKU G100-80
Warranty Years 3
Model Medium Duty
Tank Capacity 100
Fuel Natural Gas,Propane Gas
Height 69.63"
Install Location Indoor

Features and Benefits

  • The tighter the commercial retrofit, the more you will appreciate how this water heater's compact size simplifies installations.

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.

Efficiency

  • 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.
G100-80G100UNG75UNG75-75N-3 G75-75GG100-80-80G75-75-2

3-Year limited tank warranty

Water Heater Warranty Upgrade Application

US CSA (Star)Canada CSAAHRI

More Commercial Rheem Products

Find additional documentation by viewing these related products.

Natural Gas
Propane Gas
Triton Light Duty SS
Capacity 50-50
  • 50 & 75-Gallon Options
  • 76,000-100,000 BTU/h
  • Up to 97% Thermal Efficiency
  • Leak Detection and Prevention System
  • Integrated BMS Connectivity via BacNet Port 
  • Porcelain Coated Tank Lining and Heat Exchanger
Natural Gas
Triton Light Duty SU
Capacity 50-50
  • 50 and 75-Gallon Options
  • 76,000-100,000 BTU/h
  • Up to 97% Thermal Efficiency
  • Leak Detection System 
  • Porcelain Coated Tank Lining and Heat Exchanger
  • Natural and LP Gas
Natural Gas
Propane Gas
Triton Heavy Duty SS
Capacity 80-100

THE TRITON ADVANTAGE

  • 80 and 100-gallon Options 
  • 130,000-400,000 BTU/h
  • Up to 98% Thermal Efficiency 
  • Leak Detection and Prevention System
Natural Gas
Propane Gas
Triton Heavy Duty SU
Capacity 80-100

THE TRITON ADVANTAGE

  • 80 and 100-Gallon Options 
  • 130,000-400,000 BTU/h
  • Up to 98% Thermal Efficiency
  • Leak Detection System