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Rheem Professional Classic Plus Ultra Low NOx 55 Gallon Natural Gas Water Heater with 8 Year Limited Warranty

SKU: 678146

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Product Details

Rheem 678146

PROG55-45U RH59 EC1


Professional Classic Plus ultra low NOx water heaters exceed ANSI standards for flammable vapor ignition-resistance.


  • Collection Professional Classic Plus
  • UPC 020352678146
  • Online Product ID 5604060
  • Height 59.25"
  • Diameter 23.75"
  • Oversized yes
  • Low Lead Compliant yes
  • Material Stainless Steel
  • Warranty 8 years
  • Sink Length 24.19"
  • Capacity (gal.) 55
  • Fuel Type Natural Gas
  • Application Residential
  • Cold Water Inlet Size 0.75''
  • Heating Capacity 45000 Btu/hr
  • Height To Gas Connection 14''
  • Height To Vent Connection 59.25''
  • Hot Water Outlet Size 0.75''
  • Low Nox yes
  • Recovery Rate At 90 Deg F 45 gph
  • Safetylist AHRI Certified, CSA Certified, Low NOx, High Altitude Compliant, CO2 Reduction, SCAQMD Rule 1121 Compliant
  • Tank Height 59.25''
  • Vent Size 4''
  • Shipping x W:27.06"x H:58.81" 188.00 lbs.

Additional information

  • FHR: 51-99 gal for natural gas
  • Recovery: up to 45 gph at a 90 deg F rise, depending on model
  • Exclusive fuel shut-off device
  • Maintenance free - no filter to clean
  • Protective control system that disables the heater in the presence of flammable vapor accumulation
  • Ultra low NOx radiant burner design
  • Stainless steel construction
  • SCAQMD Rule 1121 compliant
  • Meets 10 ng/J NOx requirements
  • Premium grade anode rod provides long-lasting tank protection
  • Easy to light - no matches required
  • Enhanced flow brass drain valve
  • Exclusive Rheemglas lining
  • All models certified to 10000'' above sea level
  • EverKleen patented system fights sediment build-up

About This Brand

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