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Under Sink Instant Hot Water Heater 2.5 Gallon Water Heater 110V Water Heater,120V 1500W Mini Tank Water Heater Kitchen RV On Demand Small Water Heater with Pressure Release Vavle 1/2" NPT

  • Based on 149 reviews
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Availability: Only 8 left in stock, order soon!
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Arrives Thursday, Feb 27
Order within 1 hour and 31 minutes
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Style: Black-Upgrade Safety Vavle 2.5 Gal


Features

  • Customer Friendly 2.5 Gallon Water Heater:KENUOS 2.5 gallon water heater has upgraded an independent pressure relief valve.besides,this 110v small water heater is filled with cpc free foam inside.not only does it focus on the safety performance during use,but it also pays attention to the energy-saving and insulation effect of small water heater.this small water heater is ideal choice for customers
  • Adjustable Temperature:KENUOS instant hot water heater supports knob adjust,range from 86f to 150f temperature control,making temperature adjustment more intuitive and convenient
  • On Demand And Perfect Insulation:This 110v small water heater supports fast heating.it's thermal efficiency is up to 95%,providing on demand hot water in 3-6 minutes,instant hot water is always at point of use.polyurethane cfc-free filling layer greatly improved insulation performance.it not only improves your hot water usage experience,but also saves you energy expenses
  • Easy To Install And Widely Use:This mini tank water heater is compact designed and supports wall mounted and floor mounted,saving more space and can be installed under sink,counter,cabinet or in rv.it is suitable for 1/2" npt water hose connection and 110v/120v ac power supply.extended water hoses,vent vavle,transprent water conduit pipe are included.making it convenient and widely to use
  • Durable Quality And Excellent Security:KENUOS 2.5 gallon instant hot water heater has adopted security designs.integrated molding stainless steel tank,overheat protection design,leakproof pressure release valve,ul certificated cord.excellent manufacturing processes and safety design are aimed at maximizing the improvement of your product user experience
  • Precautions for Under sink Instant Water Heater : According to the questions raised by the customer based on the picture, if the pressure relief valve is not tightened, it may cause water leakage.It is recommended that you install the pressure relief valve and tighten it.If you have any problems or malfunctions, please notify us in a timely manner, and we will provide you with thoughtful after-sales solutions

Brand: KENUOS


Product Dimensions: 11.35"W x 11.35"H


Special Feature: Easy to Install, Waterproof, Flame Failure Protection, Overheat Protection, Pressure Release Valve


Color: Black


Wattage: 1500 watts


Brand: ‎KENUOS


Product Dimensions: ‎11.35"W x 11.35"H


Special Feature: ‎Easy to Install, Waterproof, Flame Failure Protection, Overheat Protection, Pressure Release Valve


Color: ‎Black


Wattage: ‎1500 watts


Voltage: ‎110 Volts (AC)


Maximum Flow Rate: ‎0.45 Gallons Per Minute


Maximum Temperature: ‎150 Degrees Fahrenheit


Efficiency: ‎95%


Style: ‎Black-Upgrade Safety Vavle 2.5 Gal


Maximum Operating Pressure: ‎108 Pound per Square Inch


Maximum Pressure: ‎108 Pound per Square Inch


Mounting Type: ‎Wall Mounted or Floor Mounted


Is Electric: ‎Yes


Manufacturer: ‎KENUOS


Item Depth: ‎11 inch


Part Number: ‎2.5 Gallon Water Heater 7555


Item Weight: ‎8 pounds


Country of Origin: ‎China


Item model number: ‎KENUOS 7555


Item Package Quantity: ‎1


Special Features: ‎Easy to Install, Waterproof, Flame Failure Protection, Overheat Protection, Pressure Release Valve


Included Components: ‎Mini Tank Instant Hot Water Heater x 1, Pressure Release Valve x 1, Installation Bracket x 1, Female Water Pipe to Female Water Pipe x 2, Screws x 2


Batteries Required?: ‎No


Date First Available: August 6, 2024


Frequently asked questions

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


  • COMPACT AND EFFECTIVE, BUT WITH A FEW LIMITATIONS
CONVENIENT SIZE FOR UNDER SINK USE The KENUOS 2.5 Gallon Instant Hot Water Heater is designed to fit easily under the sink, and it truly delivers on that front. Its compact size is perfect for small spaces – I installed it in my kitchen, and it fit neatly without taking up much room. For anyone looking to get hot water quickly without needing a full-size heater, this mini tank is a practical solution. QUICK HEATING BUT LIMITED CAPACITY With a 1500W heating element, this water heater gets the water hot pretty quickly. Within minutes, I had piping hot water available, which is impressive for its size. However, with a 2.5-gallon capacity, it’s best suited for smaller tasks, like washing dishes or rinsing produce. For extended hot water use, like filling up a larger sink or running continuously, it may run out of hot water quickly and need a bit of time to reheat. EASY INSTALLATION Installation was straightforward, and the 110V power makes it accessible for most home setups. I had everything up and running in under an hour, and it didn’t require any special tools or additional fittings beyond the basics. This makes it a great choice for a DIY installation if you’re comfortable with some basic plumbing. PERFORMANCE & EFFICIENCY For smaller applications, it performs well, delivering consistent hot water on demand. It maintains a steady temperature, and I didn’t notice any significant fluctuations while using it. However, it’s worth noting that because it’s on the smaller side, the 2.5-gallon tank is limited in terms of sustained hot water supply. VALUE FOR MONEY For the price, the KENUOS Mini Tank Water Heater is a solid choice. It’s budget-friendly, and if you’re looking for a quick, efficient hot water source under the sink, it does the job without breaking the bank. But if you have higher hot water demands, you might find the capacity a bit lacking. FINAL VERDICT Overall, the KENUOS 2.5 Gallon Instant Hot Water Heater is a compact and efficient option for point-of-use hot water in smaller areas. It’s quick, easy to install, and a great solution for small households or light kitchen tasks. Just keep in mind its limited capacity if you need a larger supply of hot water. For the price, it’s a worthwhile investment that performs well within its intended use. ... show more
Reviewed in the United States on November 7, 2024 by Adam Smith

  • Works great for my intended use
Style: White-Upgrade Safety Vavle 2.5 Gal
Got tired of flushing water down the drain in the kitchen waiting for it to get hot (about 1 minute), and in bathrooms, needing 5 seconds of hot water for rinsing hands, etc. and just using cold instead because of the wait. With this small 2.5 gal water heater - installed in the hot water line right under several sinks (kitchen and bathroom), the water is hot before you can move your hand from the faucet to the water stream. At 2.5 gal and set the same as the main water heater (120F), the temperature holds at hot-to-warm until the hot water from the main house water heater arrives (an occasional kitchen sink situation). For my intended use the $73/yr federal energy sticker cost is useless. It is calculated based on hot water use 10+ times higher than our bathroom sink and even higher than the kitchen sink (the dishwasher is still direct-connect to the main water heater since it heats its own water). Our electricity is under $0.10/kwh, so I figure these are costing us less than $10/yr for bathrooms and maybe $25~$30/yr for the kitchen. Well worth it. ... show more
Reviewed in the United States on December 18, 2024 by Joyee G.

  • Works great with some work on leaking valve
Style: Black-Upgrade Safety Vavle 2.5 Gal
I would have given 5 stars except for the water leaks. Water heater is a space saver and works great now(see old water heater pic and new pic).Like other people who reviewed the top pressure relief valve leaks. I don’t have my calipers with me, but it’s obvious the threads are machined out of tolerance I think on both inlet and the top valve. To fix it used heavy duty blue tape wrapping it at least 2 times around. Buy 2 fittings from home depot and tape them twice as well. Then tighten as much as you can without damaging the unit(see picture). All other attempts with a direct connection of the supplied parts leaked at the relieve valve on top. ... show more
Reviewed in the United States on January 11, 2025 by D Lawrence D Lawrence

  • Compact unit and works well
Easy install
Reviewed in the United States on January 14, 2025 by Casey

  • DO NOT BUY WILL LEAK exterior also gets EXTREMELY HOT POTENTIALLY DANGEROUS
I have had 2 of these in an RV with the same leakage issue the unit will not get hot enough unless on full power and the tank is only large enough for a 2min shower (LITERALLY 2 minutes then its straight from the cold). Used for a couple months and then had same issue with the heat causing some sort of internal expansion damaging seals within the unit. Unit exterior also gets EXTREMELY HOT POTENTIALLY DANGEROUS... DO NOT BUY WILL LEAK (Currently seeking warranty w/ no response from seller) ... show more
Reviewed in the United States on February 7, 2025 by Fred

  • Nice hot water heater, good value and use
I have installed this unit in my garage to use in the bathroom and I have an outside large sink for cleaning. This unit was easy to install, I prewired the plug outlet with a switch so I can just flip a switch when I leave the garage to turn it off. When I turn it on it when entering the garage, it takes 15 to 20 minutes to get up to temp. Always hot by the time I need to use it for washing hand in the bathroom or cleaning stuff in the garage. I would purchase again, it has worked well, I have only had it installed for about 6 months, but it is flawless at this point. I do like that it has a light on the front so I can tell if it is on or off. It is a reminder when leaving the garage for the night to flip the switch. ... show more
Reviewed in the United States on February 19, 2025 by David B. Romero

  • Good product
Great value It was quite a bit cheaper than the big box stores and best of all it came to me
Reviewed in the United States on January 20, 2025 by ddechant

  • Enjoying the Really Hot Water
The tank is small and easy to install. Best part is, if you turn it to the hottest setting, the 4 gallons of water will be so hot that you only need a trickle mixed with the cold for a 4 to 5 minute shower. Worst part is if your turn it to the hottest setting and turn it on without cold water, that little trickle will scald you. If I had children in the house, I would not crank this up to 167 degrees and probably wouldn't be able to get that 5 minute shower. But I don't, and I'm loving the showers in my RV. I recommend this tank for RVs for sure! ... show more
Reviewed in the United States on March 22, 2024 by Germaphobe

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