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Rheem 683034 - RTEX-08 Professional Classic Tankless Electric Water Heater, 8 kW, 240 Volts

Item: RTEX-08
MFR: 683034
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Professional Classic® tankless electric water heaters offer continuous hot water quick and on demand for single point-of-use or multiple applications

Performance Features
  • On demand, consistent and endless hot water
  • Compact and stylish with digital temperature control in increments of 1°F ranging from 80°F to 140°F*
  • 99.8% Energy efficient
  • Robust copper immersion heating elements with brass top increases durability and are threaded for easy replacement
  • Simple Installation
  • Digital temperature display
  • External controls to adjust temperature in increments of 1°F*
  • Whole-Home - up to 6 GPM
  • Water-Saver Shower Head - 1.5 GPM
  • Standard Shower Head - 2.0 GPM
  • Standard Hand Sink - 0.5 GPM
  • Kitchen Sink - 1 to 2 GPM
  • Bath Tub - ≥ 4 GPM
  • Dishwasher - 1 to 2 GPM
  • Washing Machine - 1 to 1.5 GPM (Average Gallons Per Minute (GPM) based on 2010 Plumbing Standards)
  • 5-Year heating chamber and 1-year parts limited warranty. See Residential Warranty Certificate for complete information
Unique Features:
  • External Adjustable Digital Thermostatic Control with LED display (+/- 1 degree accuracy)
  • Durable Copper Immersion two heating elements, field serviceable
  • Simple Installation - 3 Foot electric cable and 1/2 NPT adapters included; Side 1/2" compression water connections


NameRheem 683034 - RTEX-08 Professional Classic Tankless Electric Water Heater, 8 kW, 240 Volts
Gemaire Item NumberRTEX-08
Manufacturer Product Number683034
SKU - PIM Number1490603613570
ERP Number369907
Unit of MeasureEA
Weight7.0 Pounds (Lb)
Length14.0 Inches (In)
Width10.3 Inches (In)
Height6.8 Inches (In)
Country of OriginCHN
Voltage240 VAC
Cycle/Hertz60 Hz
CertificationsETL Listed to UL 499 and CSA
CompositionBrass, Copper
Connection Size1/2
Connection TypeCompression
Fuel TypeElectric
Maximum Pressure (PSI)150
Maximum Temperature140°F (60°C)
Number of Elements1
TypeTankless - Electric
Warranty OfferedYes
Wire Gauge8 AWG
Energy Star RatedNo
UL ListedYes
Product FamilyRTEX
GEM - Case Quantity


Parts List