Portable Water Heater for Buckets & Tubs, 2000W Immersion Heater with Intelligent Shut-Off, Stainless Steel Guard & Digital Temperature Sensor, Fast Heating for Backyard Pools, RVs & Home Use
Condition: New
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- – 4-month term
- – No impact on credit to apply
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- – Secure and straightforward checkout
Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.
Learn more about financing & leasing here.
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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
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Features
- 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.
- SIMPLE & PORTABLE OPERATION: Lightweight and easy to carry, this heater is perfect for travel, camping, or everyday home use. Just drop it in, plug it in, and watch it work. Note: Unplug the unit before touching the water.
Brand: Coituer Koire
Color: Black
Number of Items: 1
Manufacturer: Coituer Koire
Brand Name: Coituer Koire
Model Number: RSB02
Manufacturer: Coituer Koire
Manufacturer Part Number: rsb2026
Included Components: Digital Thermometer
Color: Black
Frequently asked questions
This product is currently out of stock. Please check back later for shipping info.
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Learn more about financing & leasing here.
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Top Amazon Reviews
Color: Black
I bought this for my daycare kids to warm up their kiddie pool. It works amazing. The pool warms up in about 30 minutes.
Reviewed in the United States on June 12, 2026 by Mom
After using this heater, I can say it has truly solved many small problems in my daily life. When soaking my feet in the backyard or preparing hot water for my family, I was always afraid of waiting a long time for the water to get warm enough. With this heater, the heating speed is significantly faster, and I don't have to constantly touch the water to test the temperature. The temperature display gives me peace of mind, and I can use it with confidence once the water is at the right temperature. The overall build quality feels very solid. It heats steadily and doesn't wobble when placed in the bucket. The outer protective design also gives me peace of mind, as I don't worry about the plastic bucket deforming from the heat. It's very easy to operate; just plug it in and it's ready to use, without any complicated setup steps. It automatically stops heating when the water level gets low, which is a thoughtful design feature. Its compact size makes it easy to store or carry when traveling. Overall, its heating efficiency, safety, and practicality are all excellent, making it a heating tool that I'll want to use continuously.
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Reviewed in the United States on February 10, 2026 by Victoria G
Color: Black
Used it for a short time and the plug overheated and melted the plug. Lucky it didn't start a fire
Reviewed in the United States on June 14, 2026 by Amy Hart
I mainly bought it to heat water for bathing my dog in winter, and the results were surprisingly good—it heats up very quickly, the protective cover feels very sturdy, and I don't have to worry about electric shocks or burns. What reassured me most was its intelligent power-off function; it automatically stops heating when the water reaches the set temperature, and there's also a digital temperature display, which is accurate and safe. I even tried using it to slightly warm up my inflatable pool in my backyard, and it worked perfectly! The overall build quality is solid, it's easy to operate—just plug it in and it's space-saving. For outdoor spaces without a water heater, this is a lifesaver! I highly recommend it to pet owners, camping enthusiasts, or anyone with a small pool; five stars are absolutely well-deserved!
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Reviewed in the United States on February 18, 2026 by Elowen
I use this for a mix of household projects and small-tank needs—anything from warming water for cleaning equipment to getting a comfortable temperature for washing items that don’t do well in cold water. The heating speed is the main reason it earned a spot in my regular rotation. When I need warm water, I usually need it now, not “whenever it feels like it.” What makes it feel more controlled than other immersion heaters is the built-in thermometer. I can watch the temperature climb in real time, stop where I want, and not rely on trial and error. The display is clear enough that I don’t have to squint, and the power light makes the status obvious at a glance. The guard design also helps the heat spread out instead of concentrating in one little area, which is what I worry about with basic coil-style heaters
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Reviewed in the United States on February 10, 2026 by Leon
Color: Black
It warms the water but while plugged in the cord was too hot for my comfort.
Reviewed in the United States on June 16, 2026 by Bruce Manas
This immersion heater has turned into one of those tools I keep reaching for when cold water is slowing me down. I’ll set up a bucket or a small tub, drop the unit in fully submerged, and let it do its thing while I handle other tasks nearby. The heating feels fast and steady, not like it’s struggling. I also like that the guard design keeps it from sitting right against the container wall, which matters when I’m using whatever bucket is within reach. The built-in temperature display is what keeps the whole process controlled. I can see the numbers climbing and stop when the water hits the range I want. It’s nice not having to play the “dip a finger in and guess” game. The auto shut-off is a big comfort too, especially when I’m bouncing around doing chores.
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Reviewed in the United States on February 11, 2026 by Jason
Color: Black
Plug melted the first time we went to use it.
Reviewed in the United States on June 13, 2026 by Alexandria Labar