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Rheem 641423 - PROG40S-36N RH62 Professional Classic Atmospheric Water Heater, Natural Gas, 36K BTU, 40 Gallon, Short

Item: PROG4036N-641423
MFR: 641423
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Professional Classic™ Atmospheric Series

  • .60 - .63 EF
  • More hot water at a low operating cost

  • FHR: 54 to 90 gallons for natural gas
  • Recovery: 30.3 to 40.4 GPH 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 641423 - PROG40S-36N RH62 Professional Classic Atmospheric Water Heater, Natural Gas, 36K BTU, 40 Gallon, Short
Gemaire Item NumberPROG4036N-641423
Manufacturer Product Number641423
SKU - PIM Number1426278443441
ERP Number353927
Unit of MeasureEACH
Weight127.0 Pound (lb.)
Length19.0 Inches (in)
Width19.0 Inches (in)
Height58.5 Inches (in)
Hazardous MaterialNo
EPA Cert RequiredNo
Country of OriginUSA
Capacity Gallons40
Connection Size3/4"
Fuel TypeNatural Gas
Warranty Offered6-Year limited tabd abd parts warranty* - *See Residential Waaranty Certificate for complete information.
Energy Star RatedYes
Product FamilyPROG
GEM - Case Quantity