Rheem Professional Classic Plus Series: Ultra Low NOx Series

Professional Classic Plus Series: Ultra Low NOx

Professional Classic Plus® Ultra Low NOx water heaters exceed ANSI standards for flammable vapor ignition resistance


  •  .58 - .64 UEF
  • More hot water at a low operating cost
  • FHR: 51 - 99 gallons for natural gas
  • Recovery: Up to 45 GPH at a 90° F rise, depending on model
Guardian System™ & Sensor
  • 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
Low Emissions
  • Ultra Low NOx radiant burner design
  • Stainless steel construction
  • SCAQMD Rule 1121 compliant
  • Meets 10 ng/J NOx requirements
High Altitude Compliant
  • All models certified to 10,000 ft. above sea level
  • EverKleen™ patented system fights sediment build-up
  • Premium grade anode rod provides long-lasting tank protection
  • Easy to light – no matches required
  • Enhanced-flow brass drain valve
  • Temperature and pressure relief valve included
  • Low lead compliant
  • Exclusive Rheemglas® lining

(Not Available in Canada)

  • .58 - 64 UEF
  • SCAQMD Rule 1121 compliant
  • 29, 40, 50 and 55 Gallon capacities


Professional Classic Plus Ultra Low NOx
Specification Sheet
Use and Care Instructions (US)


Tank - 8 Years limited
Parts - 8 Years limited
With ProtectionPlus™ the 8-year limited tank warranty becomes 12 years

KwikComfort® Financing can help make your purchase even easier.
Rheem makes it easy to find a financing option that works for you! With many options and benefits available, KwikComfort Financing is the best way to get the home comfort you need without the wait.

  • Applications made easyWe'll help you avoid lengthy contracts, headaches and hassles.
  • Kwik credit decisionsYou'll get an answer to your application within minutes.
  • Fast credit for the futureFinance your Rheem equipment and anything you want to add later.
  • Reduced interest/fixed paymentsGet low interest and fixed monthly payments until the purchase is paid.
  • Minimum monthly paymentTake advantage of convenient monthly payments that fit your budget.
  • Deferred interest/no interestEnjoy interest-free payments as long as the balance is paid by the due date.
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