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Rheem 621807 - PROG40-36U RH67 PV Professional Classic Ultra Low NOx W/PV Water Heater, Natural Gas, 36K BTU, 40 Gallon, Tall

Item: PROG4036U-621807
MFR: 621807

This product is no longer available for purchase.

Comparable Products


Professional Classic™ Ultra Low NOx Power Vent gas water heaters are SCAQMD rule 1121 compliant and offer flexible venting options

  • .67 EF
  • Energy Star® rated
  • More hot water at a low operating cost

  • FHR: 72 - 94 gallons for natural gas
  • Recovery rate is 36.4 - 38.4 gallons for natural gas at a 90 degree rise

Guardian System™ and Sensor
  • Exclusive air/fuel shut-off device for double protection
  • Maintenance free - no filter to clean

Low Emissions
  • Ultra Low NOx radiant burner design
  • Stainless steel construction
  • SCAQMD Rule 1121 compliant
  • Meets 10 ng/J NOx requirements

  • EverKleen™ patented system fights sediment build-up
  • Reduces fuel costs
  • Provides more hot water

Flexible Venting Options
  • Long venting lengths up to 100 feet
  • PVC, ABS, or CPVC vent pipe options
  • Vertical or horizontal termination

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

>b>High Altitude compliant
  • Certified to 5,999 ft. above sea level

  • Whisper quiet blower
  • Enhanced flow brass drain valve
  • Temperature and pressure relief valve included
  • Low lead compliant
  • Durable spark-to-pilot ignitor

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


NameRheem 621807 - PROG40-36U RH67 PV Professional Classic Ultra Low NOx W/PV Water Heater, Natural Gas, 36K BTU, 40 Gallon, Tall
Gemaire Item NumberPROG4036U-621807
Manufacturer Product Number621807
SKU - PIM Number1404399736425
ERP Number344593
Unit of MeasureEA
Weight170.0 Pounds (Lb)
Length21.0 Inches (In)
Width21.0 Inches (In)
Height69.8 Inches (In)
Country of OriginMEX
BTU Input36000
Capacity Gallons40
Connection Size3/4"
Fuel TypeNatural Gas
Gas TypeNatural Gas
Warranty OfferedYes
Energy Star RatedYes
ComplianceSCAQMD Rule 1121 compliant
UL ListedNo
Product FamilyPROG
GEM - Case Quantity


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