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PUREBURST

2.5 Gal 1500W Electric Under Sink Water Heater, Mini Tank with Relief Valve

  • Based on 8 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Thursday, Aug 27
Order within 12 hours and 42 minutes
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Size: 2.5 Gallon


Features

  • 1500W Fast Heating & Energy EfficientThis 2.5 gallon under sink water heater delivers hot water in just 10 minutes with 1500W highpower heating. The builtin PUF insulation layer effectively retains heat, keeping water warm longer while reducing energy consumption. No more waiting for hot water enjoy instant comfort whenever you need it, perfect for daily kitchen and bathroom use
  • Premium 304 Stainless Steel ConstructionThe tank is built with food-grade 304 stainless steel that effectively resists corrosion, rust, and limescale buildup for long-lasting durability. The enamel-lined inner tank provides an extra layer of protection, extending the product's lifespan. Combined with a pressure relief valve offering explosion-proof protection, this electric water heater ensures safety and reliability while minimizing the risk of leaks
  • LED Digital Smart DisplayThis under sink water heater features an LED digital screen that shows real-time water temperature with a tolerance of 5C. Adjustable temperature ranges from 86F to 149F to meet diverse usage demands.Built with a handy rotary knob, you can effortlessly customize settings for simple and convenient operation
  • SpecificationsDimensions: 11.34 x 10.24 x 11.34 inches, Weight: 9.48lbs, Capacity: 2.5 gallons / 4 gallons, Power cord length: 70 cm (27.56 inch), Power: 1500W, Waterproof: IPX4, Stainless steel: 304. Please confirm cabinet space before purchase
  • Easy InstallationThe hot water heater can be mounted on the wall or placed on the floor. Simply connect the hot and cold water hoses included in the package according to the instructions for a quick and easy installation. Plug the included power cord into a 110-120V outlet to start supplying hot water. You will need to purchase 1/2-inch NPT water pipe fittings separately
  • Compact DesignMini tank water heaters are ideal for installation in spaces with limited room, such as kitchens, bathrooms, laundry rooms, RVs, garages, outdoor patios, and pet washing stations. UL-certified water heaters offer comprehensive safety assurance

Brand: PUREBURST


Capacity: 2.5 gallons


Power Source: ac


Product Dimensions: 10.24"W x 11.34"H


Special Feature: Anti-Freezing Protection, Dry Combustion Protection, LED Display, Low Water Flow Protection, Overheat Protection See more


Power Source: ac


Special Features: Anti-Freezing Protection, Dry Combustion Protection, LED Display, Low Water Flow Protection, Overheat Protection


Voltage: 110 volts


Maximum Temperature: 149 °F


Heat Output: 1500 watts


Mount Type: Wall


Capacity: 2.5 gallons


Item Dimensions W x H: 10.24"W x 11.34"H


Item Weight: 8.8 pounds


Item Depth: 11.34 inches


Color: White


Style Name: Modern


Brand Name: PUREBURST


Model Number: PU-10


Number of Items: 1


Number of Packs: 1


Unit Count: 1 Count


Manufacturer: PUREBURST


Included Components: Under sink water heater


Material Type: Stainless Steel


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Aug 27

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.

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Top Amazon Reviews

    • Great little water heater
Size: 2.5 Gallon
This 2.5-gallon water heater is compact and works great under my sink. The 1500W heating element provides hot water quickly and consistently. Installation was straightforward, and the included relief valve was helpful. I like the adjustable thermostat and LED digital display for easy temperature control. The mini-tank design is perfect for point-of-use hot water without wasting water. ... show more
Reviewed in the United States on August 16, 2026 by Mohammad Khan
    • Practical solution
Size: 2.5 Gallon
I searched for a long time and finally found it—this water heater plugs straight into a regular outlet, which made the whole setup so much easier. It works great, and it's super convenient not to have to deal with complicated wiring. The digital display is clear, the temperature adjusts easily, and the water heats up quickly. Highly recommend to anyone looking for a practical solution under the sink! ... show more
Reviewed in the United States on August 11, 2026 by Rita
    • Nice for mobile food vendor/ camper
Size: 2.5 Gallon
Review Image by AAmini
Review Image by AAmini
Great small water heated for directly heating at the sink. Super easy to attach the water lines and plug in. A little deeper than anticipated. But works well for the amount of water needed in our small camping setup.
Reviewed in the United States on July 30, 2026 by AAmini
    • Rental Friendly
Size: 2.5 Gallon
Great addition to my rental, I needed something with little to no damage and this heater fit the bill especially the plug in 120v option made the installation so much easier. It works well, a necessary buy for me.
Reviewed in the United States on July 29, 2026 by Jade20
    • Nice
Size: 2.5 Gallon
Review Image by McKinzi McClelland
Review Image by McKinzi McClelland
Using this for my stock tank hot tub. It heats up fast and looks nice. I think the value for the money is good.
Reviewed in the United States on August 6, 2026 by McKinzi McClelland
    • Under sink water heater
Size: 2.5 Gallon
Review Image by sierra
This is a perfect under sink water heater for the Barbershop, very compatible with what we’re needing and exactly as described
Reviewed in the United States on August 2, 2026 by sierra
    • Compact 2.5-Gallon Under Sink Water Heater
Size: 2.5 Gallon
This 2.5-gallon water heater has been a great solution for getting hot water right away at the sink. Its compact size fits easily under the sink without taking up much space, and the LED display makes it simple to adjust the temperature. It heats water quickly and maintains a consistent temperature, making it a practical choice for kitchens, RVs, or other point-of-use applications. It also feels well built and comes with a pressure relief valve for added safety. ... show more
Reviewed in the United States on August 1, 2026 by Juan Carlos Miranda Proenza
    • Works
Size: 2.5 Gallon
It's effective and doesn't take up too much space under my sink. Reacts fast and doesn't make noise while running
Reviewed in the United States on July 31, 2026 by Aurea

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