Electric Instant Heat Tankless Water Heater, 3.5KW,110/120V, Small, An Energy-Saving water heater Suitable for Kitchen Faucets and Washing Wachines Dishwasher, not suitable for Showering!(white-3.5)
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Model: white-3.5
Features
- 1.Instant Hot Water: The 3.5kW electric tankless water heater supplies instant & endless hot water of 108F or higher with no waiting for preheating or temperature fluctuations.
- 2. Space-Saving Design: 8.72.413.8inch,This wall-mounted water heater is perfect for saving space with its ultra-thin and compact design, making it installable in even the narrowest of areas!
- 3. Energy Efficient: The automatic temperature control technology ensures the water heater only operates when you need hot water.
- 4. Memory Function: Once you set the temperature for the first time, there's no need for further adjustments. Just open the faucet, and the water heater will replicate your previous settings!
- 5. Safe to Use: Safety is always a top priority for BISELONG water heaters, featuring high-temperature protection, dry burn protection, and electric leakage protection. You can use it with peace of mind. The adoption of water-electricity separation technology prevents electric leakage and pipe corrosion!
- 6. Important Note: To install the 3.5kw instantaneous water heater, you require a 120v voltage, a 140 double-pole circuit breaker, and 310AWG/2 wires. Please ensure to check the circuit breaker before installation!
Brand: BISELONG
Capacity: 2 Gallons
Power Source: ac_dc
Product Dimensions: 8.7"W x 13.8"H
Special Feature: Automatic shut-off valve and temperature control
Power Source: ac_dc
Special Features: Automatic shut-off valve and temperature control
Wattage: 3.5 watts
Voltage: 120 Volts
Maximum Temperature: 131 Degrees Fahrenheit
Heat Output: 3500 Watts
Efficiency: Energy Efficient
Mount Type: Wall
Is Electric: Yes
Color: Silver
Style Name: Indoor Installation
Material Type: Pe
Capacity: 2 Gallons
Item Dimensions W x H: 8.7"W x 13.8"H
Brand Name: BISELONG
Model Number: white-3.5
Manufacturer: BISELONG
UPC: 730718961194
Included Components: hose, valve
Unit Count: 1.0 Count
Item Type Name: water heater
Frequently asked questions
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This item is non-returnable:
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
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Top Amazon Reviews
Works much better than expected! Verry impressed!
Reviewed in the United States on March 11, 2026 by Arbie
Very efficient water heater. Simple to operate, simple to install, nice design if installed in a visible place. The only important thing to be careful with is the thickness of the wires and breaker it needs. Recommend : 4 mm wires and a 40A breaker in a 220 V net. In cold winter weather, if the inlet water is too cold, set the desired temperature, but close the faucet a little bit to reduce the flow. This can help to increase the hot water temperature by reducing the amount of water that flows through the heater.
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Reviewed in the United States on March 26, 2025 by Gustavo V.
Model: white-3.5
After a few installation issues ( due to my fault ) it appears to work fine, Had problems with no flow but discovered there was a hose I used with a check valve in place, I have no problems with it thus far so for now it's all good
Reviewed in the United States on April 1, 2025 by Amazon Customer
Model: white-3.5
This is made for increasing the heat in the hot water line only. Run your hot water supply line in this only... don't use cold... there are NO words to describe how crazy I felt after failing to install this...THEN stepping away from it...my lights came on...and I got it to working. It does hold it's heat...7-15 mins of 105+ heat to do dishes or wash hands...if you can afford it...go 5 gallons and you won't have to wait longer for hot water...take care
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Reviewed in the United States on April 4, 2023 by Gerald Ferguson
Model: white-3.5
This small heater works fine if you don't need much volume. At about 1/3 the normal volume of the cold side, the water gets quite hot. But when you increase the water flow, the temp drops quickly. And that is with 65 degree or so cold water inIet temperature. That translates to a 50 degree rise or so. If you have warmer water to start with, you could increase the volume proportionally. I have it on a 30 amp 230V circuit with 10 gauge wire so power is not a factor, it just has it's limitation. But for a shop sink where I wanted hot water to wash hands, occasional dishes and parts, it works great.
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Reviewed in the United States on July 28, 2022 by David
Making the switch to the tankless water heater was a great idea. It was easy to install. I have 1 shower, 1 bathroom sink and a kitchen sink. I always have hot water. I absolutely recommend this product.
Reviewed in the United States on November 23, 2025 by Cal Lopez
I bought this as a spare, I have not installed it but it looks nice and the price was right.
Reviewed in the United States on October 29, 2025 by Omega99
Model: white-3.5
warm water is the best it will do i had to order new fitting just to install it waste of time
Reviewed in the United States on July 18, 2023 by it'll be fine