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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Thursday, Oct 29
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At a glance
- Condition
- New
- Set
- 3800W 220V
- Model
- GC-657Q-KRTN
- Dimensions
- 4.53"W x 7.86"H
- Color
- White
- Power Source
- ac
- Wattage
- 3800 watts
- In the box
- 1 x 240V tankless water heater1 x product manual4 x screws
Features 5
- Tankless Water Heater Electric: This electric tankless water heater is crafted from stainless steel and ABS, featuring a built-in LED display. With 3800W of power, it can raise water temperature by 33F in a few seconds at 0.6 GPM or 22F at 0.4 GPM within seconds. The unit supports both Fahrenheit and Celsius settingssimply press and hold the power button for 6 seconds to switch between them. Operating on a 220V circuit, this advanced instant heater eliminates the need for preheating, so you no longer have to wait for warm water.
- Reliable and Smart: This 220v tankless water heater integrates multiple safety safeguards such as IPX4 waterproofing, isolation of water and electricity, leak detection, dry-boil prevention, and auto power-off triggered by overheating or idle conditions. Its LED screen provides intelligent real-time feedback on working status and performance. Boasting a thermal efficiency of up to 98%, this unit ensures warm water is always available without wasting energy.
- Fits in Tight Spaces: Featuring a compact and space-saving design, this 220v tankless water heater electric is ideal for a variety of settings, including kitchens, apartments, bathrooms, RVs, and camping sites. It tucks away neatly ensuring warm water is available whenever you need it. Certified to ETL standards, this on-demand water heater is built for reliable, long-lasting performance you can count on for years to come.
- Easy Installation: It comes with pre-drilled set screw holes, easy-to-follow English instructions, and standard 1/2" NPT connections, so you can have it mounted and running with minimal effort. Its compact, no-fuss design makes it a great fit for kitchens, apartments, bathrooms, RVs, and camping setups. Please keep in mind: this unit is not intended for shower applications, as most showers require a flow rate of at least 1.8 GPM to perform properly.
- Customer Service and Important Note: We offer a 24-month warranty on this tankless water heater. Should you experience any after-sales concerns, our responsive support team is available to assist. Please note: for proper and safe operation, this unit must be installed with wiring of at least 2.5 mm2 cross-sectional area and connected to a dedicated circuit breaker rated 20 amps or higher. It comes without plug, please contact personnel holding an electrical license to assist you in completing the hard wiring.Do not connect this appliance to the same circuit as other high load devices. Please confirm the capacity of your circuit breaker before use.
Description
Q:How to install a water heater? A:It operates at a voltage of 240V, your circuit breaker is at least 20AMP, the wire cross-sectional area is at least 2.5 cubic millimeters, and the pipe thread is 1/2 "NPT. You need to contact a person with an electrical license to help you complete the hard wiring.
Specs 22
| Brand | ECOAPTUNIT |
|---|---|
| Power Source | ac |
| Product Dimensions | 4.53"W x 7.86"H |
| Special Feature | Dry Combustion Protection, LED Display, Low Water Flow Protection, Overheat Protection, Rustproof |
| Color | White |
| Special Features | Dry Combustion Protection, LED Display, Low Water Flow Protection, Overheat Protection, Rustproof |
| Wattage | 3800 watts |
| Voltage | 220 volts |
| Maximum Temperature | 131 °F |
| Heat Output | 3800 watts |
| Mount Type | Wall |
| Item Dimensions W x H | 4.53"W x 7.86"H |
| Material Type | Acrylonitrile Butadiene Styrene, Glass, Stainless Steel |
| Item Highlight | Under Sink Water Heater, Switch Between Fahrenheit or Celsius Temperature Display, ETL Approved |
| Brand Name | ECOAPTUNIT |
| Model Number | XY-FG |
| Number of Items | 1 |
| Number of Packs | 1 |
| Unit Count | 1 Count |
| Manufacturer | WENZHOU YUANFAN TECHNOLOGY CO.,LTD |
| UPC | 714243736458 |
| Manufacturer Part Number | GC-657Q-KRTN |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Oct 29
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
240v only!
Yes provided it’s wired correctly it works great! 240 volts only!
Reviewed in the United States on August 15, 2026 by Joe B.
Great water heater. Gets impressively hot for its size.
These heaters are a perfect addition to my bathrooms in order to preheat the water coming in so I don't have to wait to get warm water before I use the sink! Don't get me wrong, these don't get exceptionally hot, but you can't expect that for their power rating and how small they are. Besides, that's not necessarily what they are even intended for. They are actually impressive for what they are. They have a temperature display on the front that measures the temperature of water exiting the unit. Very nice. Without these, it takes roughly an entire minute for the water to run hot in several bathrooms in the house. With this, I can easily get comfortable water out of the tap all but instantly, and then when the hot water finally reaches the bathroom, it can cut back. They have good flow as well, so I don't notice any large decreases in flow from before. I appreciate that since I have had some units before that restricted flow considerably. This unit is also very easy to install, although it doesn't use fittings I had in my house by default, so I had to adapt it some ways. Not an issue at all. Overall, as a supplimentary water preheater, these are amazing, and very compact units. They aren't that pricey either. Very happy.
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Reviewed in the United States on August 14, 2026 by Px