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Rheem 612997 - RHE40S - RHE40S Professional Prestige 38 Gallon High Efficiency Condensing Power Direct Vent NG Water Heater

Item: RHE40S
MFR: 612997
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Professional Prestige™
High Efficiency Condensing Power Direct Vent natural gas water heaters are a perfect choice when indoor air quality is a concern.
  • 0.82 EF
  • ENERGY STAR® rated
  • FHR: Up to 93 gallons for natural gas
  • Recovery: 48.5 GPH at a 90° F rise
Self-Diagnostic System
  • Integrated system control for easy installation and service
  • Diagnostic system control can be replaced without draining the water heater
Low Emissions
  • Eco-friendly burner, low NOx design
  • Power direct vents are an ideal choice when either indoor air quality or negative air pressure are concerns
  • Two-pipe system: one pipe pulls in outside air for combustion and the other exhausts combustion gases
  • 120 VAC, 60Hz, induced draft blower
  • New whisper quiet blower
Innovative Technology
  • Proven center flue design with submerged coil type condensing heat exchanger
  • Heat exchanger is porcelain coated inside and out for increased product life
Flammable Vapor Detection System
  • FVIR compliant protective
  • Control system that disables the heater in the presence of flammable vapor accumulation
Flexible Venting Options
  • Long venting lengths up to 60 feet
  • Use 2 or 3 inch diameter PVC, ABS, or CPVC vent pipe options. (In Canada ULC S636 PVC and CPVC must be used.)
  • Vertical or horizontal termination
  • Concentric vent kit available
Longer Life
  • Dual anode rods protect the tank from corrosion
High Altitude Compliant
  • Models are certified for applications up to 9,000 feet above sea level

  • Enhanced flow brass drain valve
  • Temperature and pressure relief valve included
  • Low lead compliant
  • Durable silicon nitride igniter (HSI)
  • Inlet tube with diffuser enhances heat transfer
  • Front access to condensate trap and vent pipe
  • Condensate neutralizer option
  • Standard replacement parts
6-Year limited tank and parts warranty*
* See Residential Warranty Certificate for complete information


NameRheem 612997 - RHE40S - RHE40S Professional Prestige 38 Gallon High Efficiency Condensing Power Direct Vent NG Water Heater
Gemaire Item NumberRHE40S
Manufacturer Product Number612997
SKU - PIM Number1404816218745
ERP Number362760
Unit of MeasureEACH
Weight220.0 Pound (lb.)
Length22.1 Inches (in)
Width22.1 Inches (in)
Height51.1 Inches (in)
Hazardous MaterialNo
EPA Cert RequiredNo
Country of OriginMEX
Capacity Gallons38
Connection Size3/4"
Connection TypeNTP
Fuel TypeNatural Gas
Energy Star RatedNo
GEM - Case Quantity