Rheem RTEX-24 Tankless Electric Water Heater

A tankless electric water heater providing continuous hot water on demand with energy-efficient operation. Features wall mounting, self-modulating power control, and digital temperature display for precise adjustment.

  • 2 variants
  • Self-modulating power control
  • Wattage: 2 variants
New prices RUB 32,570 – RUB 41,810
Used prices RUB 24,266 – RUB 27,650
Price spread ~28% Across new variants
Customer rating 4.2 4,042 ratings

Available variants (2)

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Electric Tankless Water Heater, Rheem

24kW, 5.9 GPM

Retailer
Price RUB 41,810.40
Updated Jun 30, 2026
Available to order
Wattage
24 KW
efficiency
99.8% Energy efficient
Heat Output
24 Kilowatts
View variant

Variant comparison

Compare prices, availability, and key variant differences in one table.

Feature 18kW, 4.4 GPM 24kW, 5.9 GPM
Price RUB 32,570.36 RUB 41,810.40
Updated Jun 27, 2026 Jun 30, 2026
Availability Available to order Available to order
Wattage 18000 watts 24 KW
efficiency 99.8% 99.8% Energy efficient
Heat Output 18 Kilowatts 24 Kilowatts
Item Weight 14.78 pounds 17.8 pounds
Maximum Flow Rate 4.4 Gallons Per Minute 5.9 Gallons Per Minute

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Overview

Compare Rheem RTEX-24 Tankless Electric Water Heater variants, pricing tiers and key differences.

Learn more

How variants differ

  • Wattage
  • efficiency
  • Heat Output

Who each variant is for

  • Start with your budget: the visible price spread across variants is about 28%.

Reviews

4.2 / 5 from 4,042 ratings
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Reviews

4.2
(4,042 ratings)

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