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SIVUATEK

Electric Tankless Water Heater,SIVUATEK 6.5KW 240V, Compact Instant Hot Water Heater, Perfect for Under Sink, Bathroom Sink and Faucet, Space-Saving, Touch Control with LED Digital Display

  • Based on 71 reviews
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Availability: Only 10 left in stock, order soon!
Fulfilled by Amazon
Arrives Sunday, Aug 9
Order within 1 hour and 32 minutes
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Model: M1-65B


Features

  • Electric Tankless Water HeaterThe M1-65B features a compact, point-of-use design while delivering ample, endless hot water through its powerful 6.5kW heating system. Perfect for installation just a few feet from your sink or faucet, this electric tankless water heater provides instant hot water, reaching 110F in seconds.
  • Smart Electric Water HeaterThe M1-65B instant water heater utilizes smart self-modulation technology, adjusting its power input in real-time based on water flow and your chosen temperature setting. This ensures a consistent output temperature, prevents scalding, and achieves an impressive 98% energy efficiency, offering both comfort and significant savings on electricity bills.
  • EFFORTLESS TEMPERATURE CONTROLExperience effortless control with the M1-65B electric tankless water heater. It features an intuitive digital display and a responsive touch control panel, making temperature adjustments simple and precise. Just touch a button to set your desired temperature and let the smart heater automatically maintain it, combining user-friendly operation with reliable performance for your daily routine.
  • Safe & Durable Water HeaterBuilt with safety and durability as priorities, this on-demand electric water heater incorporates multiple protection systems, including leakage protection, over-heating protection, and an auto-stop function. Every M1-65B unit undergoes rigorous testing and is ETL listed, meeting UL standards. It is a reliable choice for various settings, including households, schools, hospitals, offices, and bars.
  • Point of Use Water Heater ElectricWith its sleek and compact design, about the size of an oatmeal box, the M1-65B electric tankless water heater can be installed conveniently at any point of use, minimizing energy and water waste. It comes with standard 1/2" NPT plumbing connections and a pigtail cord, enabling easy installation with basic DIY skills.

Brand: SIVUATEK


Power Source: AC


Special Feature: Endless hot water, Instant hot water, Point of use hot water, Small water heater


Color: Black


Wattage: 6.5 KW


Power Source: AC


Special Features: Endless hot water, Instant hot water, Point of use hot water, Small water heater


Wattage: 6.5 KW


Voltage: 240 Volts


Flow Rate: 1.5 Gallons Per Minute


Maximum Temperature: 131 Degrees Fahrenheit


Heat Output: 131 Degrees Fahrenheit


Mount Type: Wall mounted


Is Electric: Yes


Item Weight: 3.17 Kilograms


Color: Black


Style Name: Square-6.5kW


Brand Name: SIVUATEK


Model Number: M1-65B


Manufacturer: SIVUATEK Appliances


UPC: 711691988927


Manufacturer Part Number: M1-65B


Included Components: 1 X 6.5kW Electric Tankless Water Heater;, 1 x Hardware Pack;, 1 x Installation Template;, 1 x User Manual&Warranty Card;


Item Type Name: Electric tankless water heater


Material Type: ABS, tempered glass


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Aug 9

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

šŸš€ Abunda's Overview

This is our summary and key points to consider based on customer reviews.

The product seems to be quite versatile and easy to install, and most users are satisfied with its performance. However, it is crucial to ensure the unit size is suitable for individual needs before purchasing. Several users claimed the product provided instant and adjustable hot water, even in diverse settings like under-mounted sinks or barns. A noticeable downside reported is that the unit does not reset and switch on automatically after a power outage.

Pros

  • šŸ‘ Easy to install with included template and brackets
  • šŸ‘ Provides instant hot water
  • šŸ‘ Water temperature is easily adjustable
  • šŸ‘ Compact size and adaptable for various installations

Cons

  • šŸ‘Ž Does not reset and turn on automatically after a power outage
  • šŸ‘Ž Size suitability is crucial before purchasing
  • šŸ‘Ž Installation may be complex due to electrical requirements

Should I Buy It?

If you're looking for an easy-to-install and compact hot water solution that offers instant and adjustable temperature control, then this product would be a good fit. However, it is vital to ensure the unit size suits your needs, and being comfortable with potentially handling plumbing and electrical aspects of the installation is advised. Also, you should be prepared for manual resetting after power outages. Overall, most users recommend the product, and they are happy with the purchase.

    • Quick install, hot water!
Update: if power goes out, it stays off. So best to install where you can easily access the front panel to turn it on again. Mounting was a breeze with included template and brackets. My water is around 85 F (30 C) coming in at 1.25 gpm, so there was no reduction in flow to kitchen sink at 109 F (42 C) setting. So far (after a day of use) there have been no snafus or shut-downs. The manual warns that much hotter water will come out at first with start/stop/start, because the water next to the coils will take up residual heat at the stop, so be careful (if you think about it, the situation is unavoidable by the very nature of electric boilers) and get in the habit of running the hot for a bit before plunging in with your unprotected hands (another reason I set it at 109). The biggest problem was running a 240 volt line to the sink, so this unit is best for new build or sites where you have an easy wire pathway to your electrical panel. Also, the manual advises to avoid mounting in areas where water can possibly drip down onto it, so that pretty much excludes under-sink installations, where I imagine most would want to install it for access to the water supply lines (as shown in two of their product images), even though the text recommends installing 'a few feet away." I would have hoped the manufacturer would have engineered a water resistant housing just for this situation. Seller also follows up the sale with an email reminding of electrical requirements. I've not needed tech support. So far, so good! And happy to instant hot water at the kitchen sink (the farthest point in my house from my hot water heater). ... show more
Reviewed in the United States on December 23, 2022 by Average Joe
    • Compact, reliable hot water solution for wash basin
Have been using this in my workshop for over four years. Replaced a 4-gallon hot water tank that only lasted one year due to hard water. So far this unit has functioned flawlessly. You should not expect this to supply enough hot water for a shower, especially if the incoming water is below 60 degrees, but for a single sink for washing hands this works fine most of the year. During extreme winter cold, when the incoming water temperature is less than 45 F, the faucet must be kept low to allow time for the water to heat up to desired temperature, but that is something I can deal with. I have also added a hot water recirculating pump (with it's own push-to-operate switch) to preheat the water in the lines when needed, and an "electronic water softener" to (supposedly) prevent lime buildup. ... show more
Reviewed in the United States on April 19, 2026 by Ayexby
    • Good unit easy to install and worked fine
The unit is easy to install and worked fine for me, however it turned out it was not the right size unit for our needs. I would recommend it to anyone but make sure you understand you needs and what the unit will be able to prove. It will save you the trouble of having to changed it out.
Reviewed in the United States on February 18, 2023 by Amazon Customer
    • doesn't heat and hold heat long enough
didn't even heat water in bathroom sink and hold it so could brush teeth.
Reviewed in the United States on June 22, 2026 by tinkerbell
    • It really does what you want it to do & it does it right!
My well pump runs at about 55psi, thru 1/2" tubing. This water heater gives me the hot water that I use at my sink, at the shower,& at the temp. that I asked for. I just LOVE IT! My very OLD water heater could not do all the cool stuff that this one does. For me the hook-up was easy, because I already had my old one hooked-up & just used my old wiring/plumbing to hook-up the new one. Amazonen. ... show more
Reviewed in the United States on June 26, 2024 by amazonen
    • It works but it's not impressive
Input water is approx 40 degrees Flow limited to .8 gal/min Can only reach 90 degrees Single point use - slop sink in garage It's plenty warm enough to wash your hands which is it's main purpose but aside from that I'd question if it's all that efficient. For a 6.5 kw unit a 50 degree change at .8 gal min is poor. And yes I worked all the air out of the unit ... show more
Reviewed in the United States on October 6, 2025 by G1yp4.1337
    • It works wonderfully in douth Texas
This was bought in a pinch to replace our water heater that started leaking, some comments mentioned it doesn't heat enough on colder days. In my case, south Texas doesn't have very cold winters, and when we do, they don't last too long. But this water heater has kept up so well, I haven't had the need to install a larger one, and it's been more than a year since I installed it. ... show more
Reviewed in the United States on September 7, 2025 by JmoyL
    • 240 volt and works perfect
Had for about 6 months now and it works waaay better than the Home Depot one, Iā€™d rather buy this over a $300 heater any day!
Reviewed in the United States on January 3, 2026 by Justin M.

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