Rheem RTEX-24 24kW, 5.9 GPM Electric Tankless Water Heater
Available offers (2)
Price history by offer
Volatility: MediumFeatures
- ON/OFF Dial Control with adjustable digital temperature display
- Self-modulating power control
- 24kW Model Flow Rate: up to 5.9 GPM
- Bottom 3/4" NPT water connections
- On demand, consistent and continuous hot water
General specs
- Brand: Rheem
- Model: RTEX-24
- Seller: Retailer
- ID: B01MS9DVEE
- Shape: Rectangle
- style: Water Heater
- Usage: Inside; Professional
- Finish: Stainless Steel
- Voltage: 240 Volts
- Wattage: 24 KW
- efficiency: 99.8% Energy efficient
- Item Depth: 3.5 inches
- Heat Output: 24 Kilowatts
- Is Electric: Yes
- Item Weight: 17.8 pounds
- Mounting Type: Wall
- Special Feature: LED Display
- Maximum Pressure: 150 Pound per Square Inch
- Maximum Flow Rate: 5.9 Gallons Per Minute
- Product Dimensions: 17.63"W x 18.25"H
- Included Components: Fittings, Aerators
- Installation Method: Wall Mount
- Maximum Operating Pressure: 150
- First listed by seller: June 18, 2025
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Retailer
Shipping options
United States
Meet the Rheem RTEX-24 24kW 240V Electric Tankless Water Heater—your new best friend for never-ending hot water. Whether you're tackling a single sink or juggling multiple showers (because who doesn't love a good water fight?), this bad boy delivers a steady 5.9 GPM. And guess what? It's up to 93% smaller than those clunky old electric water heaters, saving you space and, let's be honest, probably a few arguments about closet space.
But wait, there's more (and no, we're not selling knives on TV). This heater is not just about saving space; it's about saving energy too—99.8% efficient, to be exact. Plus, with its sleek stainless steel finish and wall-mount design, it's like the James Bond of water heaters: sophisticated, efficient, and always ready for action. And with an LED display that keeps you in the loop, you'll always know what's up (or at least how hot your water is).
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Rheem RTEX-24
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| Brand | Rheem | HNK | EcoSmart | GE | BOSCH | Rinnai |
| Model | RTEX-24 | D3548A11 | ECO 11 | GE06P08BAR | ES2.5 | RX180iN |
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| Price | €483.21 | €124.57 | €177.97 | €219.56 | €201.11 | €1,391.33 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Mar 21, 2026 | Mar 21, 2026 | Apr 27, 2026 | Mar 21, 2026 | Apr 11, 2026 | May 18, 2026 |
| Voltage | 240 Volts | 110 Volts | 120 Volts | 120 Volts (DC) | 120 Volts | |
| Wattage | 24 KW | 3500 watts | 1440 watts | 76 watts | ||
| efficiency | 99.8% Energy efficient | 98% | High (0.98 UEF) | |||
| Heat Output | 24 Kilowatts | 140 Degrees Fahrenheit | 2.5 Gallons | 180000 British Thermal Units | ||
| Is Electric | Yes | Yes | Yes | No | ||
| Item Weight | 17.8 pounds | 4.29 pounds | 54 pounds | |||
| Mounting Type | Wall | Wall | Wall or Floor | Wall | Wall | |
| Special Feature | LED Display | Temperature Lock, Dry Combustion Protection, Overheat Protection, LED Display, Low Water Flow Protection | Adjustable Thermostat | |||
| Maximum Flow Rate | 5.9 Gallons Per Minute | 1.9 Liters Per Minute | 10 Gallons Per Minute | |||
| Product Dimensions | 17.63"W x 18.25"H | 9.13"W x 7.59"H | 17.25"W x 17.75"H | 13.75"W x 13.75"H | 19"W x 31"H | |
| Included Components | Fittings, Aerators | tankless electric water heater | mount | |||
| Maximum Operating Pressure | 150 | 6 Bars | 150 Pound per Square Inch | 150 Pound per Square Inch | ||
| Maximum Temperature | 131 Degrees Fahrenheit | 140 Degrees Fahrenheit | 140 Degrees Fahrenheit | 140 Degrees Fahrenheit | ||
Rheem RTEX-24
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