Main menu

The energy efficient Professional Classic PlusTM Powered Damper gas water heaters meet or exceed the latest ENERGY STAR® requirements



  • .67 - .69 EF
  • ENERGY STAR® rated


  • FHR: 68 - 89-gallons
  • Recovery rate is up to 50.5 gallons at a 90 degree rise, depending on model

Self-Diagnostic System

  • Electronic gas control for improved monitoring and service

Low Emissions

  • Eco-friendly burner, low nOx design
  • Meets 40 ng/J nOx requirements


  • 24 VaC flue damper, 110 VaC outlet required
  • Includes 19-foot cord, 3-prong plug
  • Standard Cat. I, double-wall, B-vent, 3" (4" adaptor included)

What is a Powered Damper?

The 24-volt powered flue damper is positioned atop the unit. It opens and closes automatically in response to gas-burner activity. When the combustion stops, it signals the damper to close, trapping the heat inside the flue and delivering more heat to the water.

Guardian SystemTM & Sensor

  • Exclusive air/fuel shut-off device
  • Maintenance free – no filter to clean
  • Disables the heater in the presence of flammable vapor accumulation 

Longer Life

  • Rheem exclusive R-Tech (resistored) anode rod provides long-lasting tank protection
  • High Altitude Compliant
  • Certified to 10,100 ft. above sea level (50-gallon 50K Btu/h model certified to 5,999 feet above sea level)


  • Dual certified for both potable water and space heating
  • Enhanced flow brass drain valve
  • Temperature and pressure relief valve included
  • Low lead compliant
  • Standard replacement parts


  • 8-year limited tank and parts warranty


  • 38, 40 and 50-Gallon Capacities
  • Up to 50,000 Btu/h
  • Natural and LP Gas


button link Professional Classic Plus Powered Damper PDF