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Rheem 621609 - PROG50-36P RH58 Professional Classic Atmospheric Water Heater, LP Gas, 36K BTU, 50 Gallon, Tall

Item: PROG5036P-621609
MFR: 621609
This product is no longer available for purchase.
Comparable Product:


Professional Classic™ Atmospheric Series

  • .58 - .62 EF
  • More hot water at a low operating cost

  • FHR: 50 to 90 gallons for natural gas
  • Recovery: 30.3 to 50.5 gallons at a 90 degree rise, based on model

Guardian System™ & Sensor
  • Exclusive air/fuel shut-off device
  • Maintenance free - no filter to clean

Low Emissions
  • Eco-friendly burner, low NOx design
  • Meets 40 ng/J NOx requirements

Longer Life
  • Rheem exclusive R-Tech (resistored) anode rod provides long-lasting tank protection

High Altitude Compliant
  • All models certified up to 6,000 ft. above sea level
  • Some models certified up to 10,200 ft. above sea level, check factory for listings

  • Easy to light - no matches required
  • EverKleen™ patented system fights sediment build-up
  • Enhanced-flow brass drain valve
  • Low lead compliant
  • Temperature and pressure relief valve included
  • Standard replacement parts

  • 6-Year limited tank and parts warranty*
  • With ProtectionPlus™ the 6-year limited tank warranty becomes 10-year
  • * See Residential Warranty Certificate for complete information

  • Units meet or exceed ANSI requirements and have been tested according to D.O.E. procedures. Units meet or exceed the energy efficiency requirements of NAECA, ASHRAE standard 90, ICC Code and all state energy efficiency performance criteria.


NameRheem 621609 - PROG50-36P RH58 Professional Classic Atmospheric Water Heater, LP Gas, 36K BTU, 50 Gallon, Tall
Gemaire Item NumberPROG5036P-621609
Manufacturer Product Number621609
SKU - PIM Number1408712550308
ERP Number346000
Unit of MeasureEA
Weight151.0 Pounds (Lb)
Length21.8 Inches (In)
Width21.8 Inches (In)
Height58.0 Inches (In)
Hazardous MaterialNo
EPA Cert RequiredNo
Country of OriginMEX
BTU Input36000
Capacity Gallons50
Connection Size3/4"
Fuel TypeNatural Gas
Product FamilyPROG
GEM - Case Quantity


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