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110V-120V 1500W Small Instant ElectricTank 4 Gallon Storage Hot Water Heater, Kitchen Under Sink Cabinet RV Trailer, Easy to Install,2 PCs 16 Long
88% of respondents would recommend this to a friend
MWK 473716
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
Order now and get it around Thursday, September 24
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Achieving 99% thermal efficiency, the BISELONG water heater is your compact and reliable solution for instant hot water.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Compact Design
This 4-gallon heater is perfect for under-sink installations, maximizing space in kitchens and RVs while delivering hot water when needed.
High Efficiency
With 1500W power, it heats water quickly, providing instant hot water solutions while conserving energy compared to larger systems.
Easy Installation
Includes two durable 16” stainless steel hoses, making setup straightforward and user-friendly, eliminating the need for professional installation.
Product Details
| Power Source | ac_dc |
| Special Features | compact design, smart inverter technology, rapid temperature recovery, energy efficiency, and included accessories |
| Wattage | 1500 |
| Voltage | 120.02 |
| Maximum Temperature | 167 °F |
| Heat Output | 1500 watts |
| Maximum Pressure | 108 psi |
| Mount Type | wall mount or floor mount |
| Capacity | 4 gallons |
| Item Dimensions W x H | 14.1"W x 14.8"H |
| Item Weight | 10.5 pounds (4.76 kg) |
| Brand Name | BISELONG |
| Model Number | BI-4G |
| Number of Items | 1 |
| Manufacturer | BISELONG |
| UPC | 601968721107 |
| Included Components | T-tube, hose, safety valve |
| Material Type | Acrylonitrile Butadiene Styrene, Copper, Stainless Steel |
| Color | White |
| Style Name | Indoor Installation |
| Brand | BISELONG |
| Product Dimensions (L x W x H) | 14.1"W x 14.8"H (35.8 x 37.6 cm) |
| Special Feature | compact design, smart inverter technology, rapid temperature recovery, energy efficiency, and included accessories See more |
Who Should Buy?
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Small Apartments
Ideal for small apartments where space is limited, providing hot water without taking up much room.
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RV Owners
Perfect for RV owners needing compact, easy-to-install hot water solutions while traveling.
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Under-Sink Use
Excellent for under-sink installations, ensuring immediate hot water access in kitchens or bathrooms.
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Large Families
Not suitable for larger families requiring significant hot water supply due to its limited 4-gallon capacity.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the capacity of the 110V-120V 1500W Small Instant Electric Water Heater?
Answer: The product has a capacity of 4 gallons, making it suitable for various household needs. This compact size is ideal for under sink installation in kitchens or RVs, providing hot water on demand without taking up too much space. Whether you're washing dishes, preparing food, or enjoying a warm beverage, this unit delivers efficient and dependable hot water whenever you need it. -
Question:
How does the installation process work for this hot water heater?
Answer: Installing this electric water heater is straightforward, especially with the included 2 PCs 16-inch long 1/2 FIP stainless steel hoses. The user-friendly design allows for quick installation under your sink or in your RV. Simply connect the water supply and power source, and you’ll have hot water ready for use within minutes, making it a great option for anyone looking to enhance their kitchen or gain convenience in an RV space. -
Question:
Is this water heater suitable for RV use?
Answer: Yes, this water heater is specifically designed for RV and trailer applications. Its compact 4-gallon capacity ensures it fits seamlessly into the limited space typically found in RVs. This device efficiently provides hot water while you’re on the road, making it perfect for showering, cooking, and cleaning, enhancing your comfort and convenience when traveling. -
Question:
What is the heating capacity of this water heater?
Answer: With a power output of 1500W, this instant electric hot water heater heats water quickly and efficiently. It is capable of providing a consistent hot water supply, ideal for moderate to high-demand situations such as rinsing dishes or filling up a sink for cleaning purposes. The heating capacity is particularly effective in providing near-instant hot water when you need it most. -
Question:
What type of power does this hot water heater require?
Answer: This model operates on a standard 110V–120V electrical supply, making it compatible with most household circuits. Its versatility ensures it can be easily integrated into your kitchen or RV setup. By utilizing a common voltage, you'll have peace of mind knowing that you can find suitable power sources without specialized electrical work. -
Question:
What are the dimensions of this water heater?
Answer: The compact design of the water heater makes it ideal for small spaces, but specific dimensions can vary by installation. Its small footprint allows it to fit under most kitchen sinks or in tight RV compartments, thus maximizing space efficiency. To ensure it fits appropriately in your area, it’s advisable to check the provided dimensions when planning your installation. -
Question:
Can this heater be used for multiple sinks or appliances at once?
Answer: While the 4-gallon capacity is sufficient for moderate use, the heater is best suited for single-point applications, such as under a kitchen sink or in a single bathroom setup. For households with higher demands or multiple outlets requiring hot water simultaneously, consider using multiple units or a larger capacity heater to ensure uninterrupted hot water supply. -
Question:
How do I maintain this electric water heater?
Answer: Maintenance for this electric water heater involves regular inspection of the hoses and connections to prevent leaks, as well as flushing the tank periodically to remove sediment buildup. This simple upkeep can extend the lifespan of your unit and ensure that it performs at its best. Following the manufacturer's instructions for maintenance will help keep the heater functioning efficiently. -
Question:
Where can I buy the 110V-120V 1500W Small Instant Electric Water Heater?
Answer: You can purchase the 110V-120V 1500W Small Instant Electric Tank Water Heater at Ubuy in Malawi. Ubuy offers a reliable platform to find this product along with other essential home appliances, ensuring you have access to quality items that enhance your daily living experience.
BISELONG Water Heaters BI-4G Editorial Review
**** The 110V-120V 1.5Kw Small Under Sink Tank 4 Gallon Water Heater has garnered a largely positive reception among users looking for a compact and efficient solution for instant hot water access. Customers have Consistently praised the ease of installation, noting that it can be set up without much hassle and rapidly provides hot water, significantly reducing the wait time traditionally associated with heating water. Users have reported that the water heater heats water quickly—often within seconds—making it especially beneficial for tasks such as washing hands and dishes. While the performance of the water heater has been mostly commended, there are some mixed reviews regarding the water temperature. Many users appreciate the adjustable hot settings, with the highest setting described as "VERY hot." However, a few customers reported that the water was only lukewarm, indicating that performance may vary based on individual unit quality or installation specifics. A notable point of concern from one user was the thread quality on the hot side pipe upon initial installation, which rendered it unusable at first. They required additional tools to fix this issue, highlighting that some users might not have the expertise or tools readily available. Despite this hiccup, many users expressed their overall satisfaction, citing that they would purchase the unit again and recommending it for both home and RV use. **
Customer Reviews & Ratings
26 customers ratings
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5 Star
76%
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4 Star
6%
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3 Star
6%
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2 Star
0%
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1 Star
12%
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Pros
- Easy installation process
- Quick water heating capability
- Adjustable temperature settings
- Sufficient hot water supply for basic needs
- Good value for the price
Cons
- InConsistent water temperature performance (some reported lukewarm water)
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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MWK 473716
Order now and get it around Thursday, September 24
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Features & Benefits
- Excellent thermal insulation for energy efficiency.
- Rapid heating with adjustable temperature from 86–167°F.
- Compact design saves space and fits in diverse locations.
- High-quality, durable construction with safety certifications.
- Easy installation with complete accessories included.
- Responsive customer service available 16 hours a day.
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