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Rheem Commercial Hot Water Supply Heater GBC186

SKU: 572109

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Product Details

Rheem 572109

GBC186N-O


Hot water supply heaters are designed for applications that require high inputs and large volumes of stored hot water. Rheem hot water supply heaters are designed to provide hot water service to a variety of commercial applications when used in conjunction with an appropriately sized storage tank. Choose from 82 percent thermal efficiency models that range from 136000-1826000 Btu/h and have maximum temperature setting of 180 deg F. Applications include outdoor installation and for use with or without a circulating pump.


  • UPC 020352572109
  • Online Product ID 5602832
  • Width 18.25"
  • Height 40"
  • Oversized yes
  • Flow Rate (GPM) 40 gal/min
  • Voltage 120v
  • Warranty 5 years
  • Sink Length 1.00"
  • Fuel Type Natural Gas
  • Application Commercial
  • Cold Water Inlet Size 1.5''
  • Current Rating 3.7 A
  • Heating Capacity Input 181 MBtu/hr
  • Heating Capacity Output 148 MBtu/hr
  • Hot Water Outlet Size 1.5''
  • Ignition Type Electronic Intermittent Pilot
  • Install Location Outdoor
  • Low Nox yes
  • Maximum Working Pressure 160 psi
  • Recovery Rate At 100 Deg F 178 gph
  • Safetylist CO2 Reduction, LHW Certified
  • Thermal Efficiency 82 percent
  • Shipping x W:1.00"x H:1.00" 280.00 lbs.

Additional information

  • Reliable heat exchanger design - the all copper heat exchanger is a single bank, straight-through design with a floating return header immune to thermal shock
  • Energy saving pump control - the energy saving pump control is an electric device that allows the operator to set the desired time for the pump to run after the water heater shuts off
  • Compact design - the low water heater mass design offers substantial savings in weight and cube over most cast iron, steel tube and storage type water heaters making it ideal for rooftop installations and in tight quarters
  • Spark-to-pilot (IID)- this system is standard on all models for minimal heat loss
  • Glass lined cast iron headers - these headers handle any aggressive water conditions

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