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Rheem Xtreme Commercial Gas Water Heater with Limited 3 Year Warranty

SKU: 5602618

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Product Details

Rheem 5602618

GX90-680A


Xtreme is an advanced line of fast recovery commercial gas water heaters. These products can deliver up to 693 gph at 100 deg F rise. The small jacket diameter makes it a popular choice for retro fits and it is a versatile choice for new construction. Models range from 500000-715000 Btu/h, with a maximum temperature setting of 180 deg F.


  • Collection Xtreme
  • UPC 020352485539
  • Online Product ID 5602618
  • Height 74.5"
  • Diameter 30"
  • Oversized yes
  • Voltage 120v
  • Warranty 3 years
  • Sink Length 45.00"
  • Capacity (gal.) 90
  • Fuel Type Liquid Propane Gas
  • Application Commercial
  • Asme yes
  • Cold Water Inlet Size 2''
  • Current Rating 2.5 A
  • Heating Capacity 680000 Btu/hr
  • Height To Cold Side Connection 25''
  • Height To Hot Side Connection 59''
  • Hot Water Outlet Size 2''
  • Ignition Type Direct Spark-to-Pilot
  • Pressure Rating 160 psi
  • Recovery Rate At 90 Deg F 733 gph
  • Safetylist ANSI Z21.10.3-2001, cULus Listed, ASHRAE
  • Shipping x W:40.00"x H:76.50" 978.00 lbs.

Additional information

  • Space saver design Xtreme maximizes installation adaptability by offering models with front and rear inlet/outlet water connections, short heights and small jacket diameters result in greater installation flexibility
  • System Sentinel LED diagnostic system our exclusive diagnostic system, with glowing LED lights, verifies system operation sequence by sequence, patented multi-flue tank design
  • Patented multi-flue tank design proprietary steel formulation, patented multi-flue design, and two coats of high temperature porcelain enamel maximize corrosion-resistance and result in a superior heat exchanger design
  • Automatic flue damper low profile design minimizes overall product height, heavy-duty vent hood supports are designed to withstand rigors of installation
  • Specialized burner assembly each model features 5 premix burners mounted into a metal face plate and sealed with a Viton gasket, patented ''quick release'' manifold for easier service
  • Direct spark-to-pilot ignition system energy saving ignition that ignites pilot only when there is a call for heat
  • Round premix burners precision burners are formed from high chromium stainless steel
  • Low NOx emissions GX90-550 and GX90-640 meet low NOx emissions of less than 40 ng/J full-port, full-flow drain valve
  • Full-port, full-flow drain valve factory installed brass drain valve allows for faster draining and servicing
  • Altitude certifications standard natural and LP models are certified up to 2000''. High altitude models, 8000''
  • Anode rods patented design utilizes multiple magnesium rods to ensure long life and corrosion-resistance

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