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Rheem RETEX-18 Performance 18 kW 3.51 GPM 240-Volt Self-Modulating Electric Tankless Water Heater

Availability:

Out of stock


$448.41 $224.2150% Off

Out of stock

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About This Product


The Performance Self-Modulating Tankless Electric Water Heater provides efficient, on-demand hot water with consistent temperature control. Featuring self-modulating technology, it adjusts energy usage based on your hot water needs, helping to optimize performance and reduce energy consumption. Its compact design and point-of-use installation make it ideal for smaller spaces like under cabinets or sinks. The digital thermostatic control allows temperature adjustments in 1-degree increments, offering precise comfort and usability.

Highlights

  • Energy-Efficient Design: Heats water only when needed, helping reduce water heating costs significantly

  • Continuous Hot Water: Delivers a steady supply of hot water for up to two showers and two faucets simultaneously (capacity may vary by location)

  • Space-Saving Size: Compact form fits well in tight spaces, including under sinks and cabinets

  • Precise Temperature Control: Electronic settings adjustable from 80°F to 140°F in 1-degree increments, with an easy-to-read digital display

  • Simple Installation: Compatible with 3/4 in. water connectors and requires no venting or T&P valve

  • Low Maintenance: Durable heating elements are easy to replace

  • Smart Performance: Self-modulating technology ensures consistent temperature and energy efficiency

 

Dimensions

Kilowatt

18

Product Depth (in.)

3.5 in

Product Height (in.)

18 in

Product Width (in.)

14.5 in

Water Connection Size (in.)

3/4 in NPT

Details

Amperage (A)

75 A

Application Type

Residential

First Hour of Delivery (gallons/hr)

211

Flow Rate @ 35°F Rise (gallons/min)

3.51 gal (US)/min

Flow Rate @ 45° Rise (gallons/min)

2.73 gal (US)/min

Indoor/Outdoor

Indoor

Maximum Flow Rate (gallons per minute)

3.51

Number of Showers

1-2

Product Weight (lb.)

11 lb

Required Volt Connection

240 volt

Returnable

30-Day

Uniform Energy Factor

0

Water Heater Features

Wall Mounted

Water Heater Type

Electric

Wattage (watts)

18000 W

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