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Rheem 591995 - RTE 18 - Tankless Electric Water Heater, 18 kW 240 Volts

Item: RTE18
MFR: 591995

This product is no longer available for purchase.

Comparable Products


RTE 18 Series
    LI>Tankless electric water heaters offer continuous hot water quick and on demand for point-of-use applications
  • Continuous hot water on demand
  • Industry leading low-flow activation
  • External temperature control
  • LEDs indicate active element and standby mode
  • 1/2-Inch water connections
  • Rugged brass/copper heat exchanger
  • Pre-wired 2-foot power supply cord(s) included
  • RTE 18 requires two dedicated 40 AMP breaker
  • Modulating heat exchanger improves energy efficiency
  • No standby heat loss aids in energy consumption
  • No venting needed - eliminates greenhouse gases
Easy Installation
  • Complete install without removing the cover
  • Easy water connections using 1/2-inch compression fittings
  • Lightweight
Space Savings
  • No T and P valve required
  • Compact size - fits almost anywhere


NameRheem 591995 - RTE 18 - Tankless Electric Water Heater, 18 kW 240 Volts
Gemaire Item NumberRTE18
Manufacturer Product Number591995
SKU - PIM Number1404816218735
ERP Number322563
Unit of MeasureEA
Weight8.0 Pounds (Lb)
Length7.3 Inches (In)
Width3.3 Inches (In)
Height10.0 Inches (In)
Country of OriginUSA
TierSpecialty Point of Use
Voltage240 VAC
Connection Size1/2"
Fuel TypeElectric
TypeTankless - Electric
Warranty OfferedYes
Wire Gauge8 AWG
Energy Star RatedNo
Product FamilyRTE
GEM - Case Quantity


Parts List