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Coituer Koire

Portable Water Heater for Buckets & Tubs, 2000W Immersion Heater

Based on 7 reviews
Condition: New
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$29.99
Holiday Deal · 25% off was $39.99

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This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2027

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Availability: Only 10 left in stock, order soon!
Fulfilled by Amazon
Arrives Saturday, Nov 14
Order within 17 hours and 17 minutes

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At a glance

Condition
New
Model
rsb2026
Weight
11.2 oz
Color
Black
Material
Stainless Steel
Special Feature
Overheat Protection
Wattage
2000 watts
In the box
Digital Thermometers

Features 5

  • ENJOY WARM WATER IN MINUTES: Stop struggling with icy water! Our 2000W portable heater provides a quick and easy way to warm up water for inflatable pools, foot baths, or large buckets. Its the perfect solution for family fun and home comfort.
  • ADVANCED SAFETY AUTO-STOP: Designed for peace of mind, this heater cuts power automatically once it reaches peak temperature or if the water level becomes too low. This feature effectively prevents overheating and fire hazards during use.
  • PROTECTIVE BARRIER DESIGN: The integrated stainless steel guard is specially designed to keep the heat away from the edges of your container. Safe for use in plastic, wood, or rubber tubs without any risk of scorching or melting.
  • INSTANT TEMPERATURE READINGS: Say goodbye to cold shocks or scalding. The bonus digital thermometer allows you to track the warmth in real-time, making it easy to create a comfortable environment for bathing or outdoor activities.

Description

How long does it take to heat a 5-gallon bucket of water? With its powerful 2000W element, our heater can typically raise 5 gallons of water from 60°F to 100°F in approximately 5-8 minutes. This is nearly 30% faster than standard 1500W models, making it ideal for quick warm-ups. Is the digital thermometer waterproof and accurate? Yes. The included digital thermometer is designed for water immersion and provides real-time, high-precision readings. It allows you to monitor the temperature without touching the water, ensuring you get the perfect warmth for your bath or pool. Is it safe to use this heater in an inflatable PVC pool or plastic tub? Absolutely. The 304 stainless steel guard is specifically designed to act as a heat shield. It ensures the hot heating tube never touches the sides of your plastic bucket or vinyl pool liner, preventing any melting or damage. Can I use this heater with a standard 110V home outlet? Yes, it is designed for standard 110V-125V US outlets. However, because it is a high-power 2000W device, we recommend plugging it directly into a wall outlet rather than using a thin extension cord to ensure maximum safety and performance. Can I leave the heater unattended while it’s working? While the heater has an auto-shutoff safety feature, we strongly recommend remaining nearby during operation. It heats very quickly, and it's best to monitor the digital thermometer to ensure you reach your desired temperature and unplug it promptly.

Specs 18

Brand Coituer Koire
Special Feature Overheat Protection
Color Black
Wattage 2000 watts
Voltage 120 volts
Special Features Overheat Protection
Heat Output 2000 watts
Mount Type portable

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Nov 14

Yes, absolutely! This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2027.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews

Good for warming water outside
I got this for outdoor projects when I need a bucket of warm water and don’t want to keep carrying water back and forth from the house. I recently used it while cleaning some patio furniture and outdoor containers. I filled a large bucket first, placed the heater into the water, and then turned it on. For a 2000W heater, it warmed the water noticeably faster than the smaller immersion heater I had used before. The digital temperature sensor is probably the feature I use the most. I can check the temperature without repeatedly reaching into the bucket or guessing whether the water is warm enough. Once it gets close to where I want it, I can stop heating instead of letting the water get unnecessarily hot. The stainless steel guard also keeps the heating element from sitting directly against the side of the container. It’s compact enough that storing it isn’t an issue. I keep it with my outdoor cleaning supplies and can pull it out whenever I need warm water in the garage or backyard. Simple idea, but surprisingly convenient for those situations. ... show more
Reviewed in the United States on September 17, 2026 by Elizabeth
Handy for Backyard Water Play
I got this portable water heater for my daughter to use when she is playing with water in the backyard. It has been convenient when we want to warm up a bucket or small tub without having to bring the water inside. The 2000W heating power warms the water fairly quickly, and I like being able to check the temperature on the digital display. The stainless steel guard is also a nice feature and gives me some peace of mind when using it around the water. It’s easy to store when we’re not using it and doesn’t take up much space. For backyard water play, it has been a useful little heater and makes it easier to get the water to a more comfortable temperature. ... show more
Reviewed in the United States on September 16, 2026 by Cookies
Great for Heating Water in Buckets and Tubs
I got this portable water heater for heating water in buckets and tubs around the house. It is easy to use and heats the water much faster than I expected. I like the digital temperature display because I can easily check the water temperature. The stainless steel guard is a nice feature, and the automatic shut-off gives me extra peace of mind. It is also convenient to move around and does not take up much storage space. it has been a handy item to have around. I am happy with this purchase and would recommend it to anyone who needs a portable water heater. ... show more
Reviewed in the United States on September 21, 2026 by Dora
Convenient and Easy to Use
I’ve been using this portable water heater for warming water in buckets and small tubs, and it has been very convenient. It heats the water fairly quickly and the digital temperature display makes it easy to keep track of the temperature. I also like the stainless steel protective cover, which gives me a little more confidence while using it. The automatic shut-off is another nice feature. It’s compact, easy to move, and simple to store when I’m not using it. Overall, it’s a practical little heater that has been useful around the house. ... show more
Reviewed in the United States on September 23, 2026 by bella
Your reliable companion for hot water anytime.
This portable water heater has completely transformed the lifestyle of our busy family. On weekends, we love having backyard barbecues or taking the kids camping. It is incredibly easy to use—requiring no complex tools—and quickly delivers hot water at just the right temperature. A while back, our main home water heater had a minor issue, and thanks to this device, we were spared the misery of using cold water. It is compact and lightweight, making it easy to store in a cabinet when not in use. It provides a steady water temperature and is highly durable, easily withstanding frequent use by the whole family. ... show more
Reviewed in the United States on September 20, 2026 by Jhoe Virago
Simple Way to Warm a Bucket Without Extra Setup
I use this when I need to warm water directly in a bucket and do not want to carry hot water back and forth. The slim metal heating tube drops in easily, and the long cord gives enough room to position the bucket somewhere safe while it heats. It is straightforward to use, but I treat it carefully because the metal section gets extremely hot. I always make sure the heating part is fully submerged before plugging it in, keep it away from the sides of plastic containers, and unplug it before touching or removing it from the water. It is not something I would leave unattended. For basic water-heating jobs, the simple design works well as long as the safety steps are followed. ... show more
Reviewed in the United States on September 10, 2026 by kile
makes task little bit easier
I filled a standard bucket with cold water, dropped this in, and within about 15 to 20 minutes, the water was noticeably warm. By the 30-minute mark, it was actually hot—like, comfortable-for-a-bath hot. The power really does the job quickly, which is exactly what I need when I don't want to wait around all day. It keeps the heating element protected and prevents accidental contact, which is a huge relief. It's lightweight, easy to store, and doesn't take up much room at all. It's quickly become one of those tools I didn't know I needed but now can't imagine living without. It is a reliable, fast, and safe way to heat water on the go or at home; this immersion heater is absolutely worth it. It's practical, effective, and makes so many everyday tasks just a little bit easier. ... show more
Reviewed in the United States on September 6, 2026 by Colorado Reservoit
A metal tube with a cord that heats water in buckets
Alright so this is a little water heater for buckets or tubs. It's not for a whole bathtub I don't think. More like a five gallon bucket. The heater itself is a metal cylinder, maybe six inches long and two inches around. Silver color. There's a cord coming out the top that's like six or eight feet long with a regular wall plug on the end. On the top there's a little plastic cap area with a red light that comes on when it's plugged in. You don't press any buttons or set any temperature. You just put the metal part in the water, make sure the plug stays dry, and plug it in. It floats kind of? Or you can hang it over the edge using the cord. No batteries. No fancy display. Just a simple heater. Comes in a cardboard box with a one page manual that says not to run it out of water and stuff. That's pretty much it. ... show more
Reviewed in the United States on June 4, 2026 by George
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