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Rheem RETEX-04 Performance Electric Tankless Water Heater

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Energy-efficient Rheem electric tankless water heater only heats water when you need it and features an external temperature display and control, and self-modulating power technology. Compact model can save energy, water, and is ideal for delivering unlimited hot water in commercial and residential applications. Requires no venting, T&P valve, or drain pan to help ease installation. Includes durable brass or stainless steel heat exchanger and a field serviceable element.

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, continuous hot water
  • Compact and stylish
  • 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




Weight 4.5 lbs
Dimensions 10 × 7 × 12 in


Spec Sheet