best submersible water heater for bathtub of 2023

1300W Titanium Fully Submersible Portable Electric Immersion Water Heater, 100% Waterproof, Built-in Thermostat, Auto shutoff, Overheating Prevention, Bucket Water Heater, Easy and Convenient to Use
217 Reviews
1300W Titanium Fully Submersible Portable Electric Immersion Water Heater, 100% Waterproof, Built-in Thermostat, Auto shutoff, Overheating Prevention, Bucket Water Heater, Easy and Convenient to Use
  • Fully submersible in fresh water, salt water, solutions
  • Built in thermostat up to more than the boiling point of water
  • Auto Shut-Off to prevent the liquid from overheating
  • High degree of efficiency as the heat is quickly dissipated directly into the liquid
  • Easy and to use, excellent durability and outstanding performance
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HASTER 2000W Immersion Water Heater for Inflatable Pool Bathtub,Bucket Heater with 304 SS Guard,Electric Submersible Water Heater with LCD Thermometer,Heat 5 Gallon Water in Minutes (Yellow)
47 Reviews
HASTER 2000W Immersion Water Heater for Inflatable Pool Bathtub,Bucket Heater with 304 SS Guard,Electric Submersible Water Heater with LCD Thermometer,Heat 5 Gallon Water in Minutes (Yellow)
  • ☀[Heat water faster]: 2000W high-power immersion water heater can make 5 gallons of water warm in a few minutes. While camping can bring this portable bucket heater and can enjooy shower even outside .In the cold winter, you no longer need to wait for a long time for warm water. When you get an above grond pool heater , you can enjoy hot water in just a few minutes.
  • ❀[Safety Protection] This immersed portable hot tub heater with 304 stainless steel cover guard. Heating in water for a long time will not cause rust,effectively preventing burns. Bathtub heater comes with the digital LCD thermometer whcih can show the temperature easily and can enjoy with the comfortable warm water.Be sure the water is enough then plug it .
  • ♥ [Easy to Use] Just put the US Version pool warmer for inflatables into the water and connect it to power supply without much fuss.. Please note that the heater must be completely immersed in water during use. Through water temperature measurement, you can base on temperature. Note: It is recommended that the continuous use of the tap water heater should not exceed 3 hours.If heat the small pool above ground inflatable pool please kindly check the pool size before purchasing.
  • ♛[Portable and Versatile]: You can use the portable electrical submersible heater in many occasion. It supports to use in containers of different sizes, such as buckets, basins, bathtubs, mini inflatable portable swimming pools, etc. Please note if using in outdoor Inflatable swimming pool one should not be enough and not suggest to use for big swimming pool .This is the first choice for home and outdoor work.This portable electric camping water heater is handy and super lightweight
  • [Warnings]: Do not heat while using water . The protection plug of leakage is not a power switch.Make sure the water level is enough before use. Read the instructions carefully before using .Don’t put your hand into the liquid when the electric water heater is plugged in.When the liquid is hot, unplug the immersion heater element then take out from the container.Do not plug two heaters on the same outlet .


Immersion Water Heater, 2000W Electric Bucket Heater with Digital LCD Thermometer, Portable Submersible Water Heater for Bathtub Bucket Water, Rapidly Heats 5 Gallons of Water in Minutes
4 Reviews
Immersion Water Heater, 2000W Electric Bucket Heater with Digital LCD Thermometer, Portable Submersible Water Heater for Bathtub Bucket Water, Rapidly Heats 5 Gallons of Water in Minutes
  • Fast Heating – 2000W immersion water heater makes 5 gallons of water warm in a few minutes. It takes 30 minutes to reach the bath water temperature of 104 degrees Fahrenheit. In cold weather or winter, hot tub heater can solve the trouble of no hot water for you. This immersion heater is protable,so you can enjoy a comfortable hot bath anytime, anywhere
  • Double Safety Protection – The body of bucket heater covers a corrosion-resistant stainless steel protective case, which can effectively prevent the heating element from directly contacting the human body. And when the water temperature reaches a the temperature of 176 ℉, it automatically stops heating and maintains the temperature. The fuse cuts off the power to avoid fire, providing protection for your safety
  • Widely Used – The portable water heater can be used for various of containers, like the ground or inflated swimming pools, buckets, washbasins, bathtubs, wooden barrels, and water tanks. It is very convenient to apply the water heater to daily life. For heating on your farm animals’ water, tiling water on the building site, wash bucket water, a pail of bath water, or camping shower water
  • What you get – 1 x water heater electric, 1 x digital thermometer, 1 x stainless steel cleaning ball, 1 x sandpaper, 1 x user manual. If our products do not meet your expectations, please feel free to contact us, and we ensure you get a pleasing solution from us. For safety, this LCD thermometer will replace the hands to measure the water temperature while the immersion electric heater is working
  • Warm Tips for Safe Use – Immersion water heater for bathtub needs to be completely immersed in water while using. If you want to add more than one heater into one container, keep it in mind: use the socket separately, one socket for one heater
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Immersion Water Heater, Electric Submersible Water Heater with Stainless Steel Guard Cover, Portable Bucket Heater to Heat 5 Gallons of Water in Minutes (Yellow)
154 Reviews
Immersion Water Heater, Electric Submersible Water Heater with Stainless Steel Guard Cover, Portable Bucket Heater to Heat 5 Gallons of Water in Minutes (Yellow)
  • Fast Heating – 1500W portable immersion water heater can make 5 gallons of water warm in a few minutes.
  • Premium&Safe – High quality 304 stainless steel protective cover, the submersible water heater will effectively prevent the heating element is in direct contact with people or animals. Protecting you from scalding.
  • Simple Operation – Submerge it in the water and plug it in any grounded wall outlet and it start to work.
  • Widely Used – Our portable water heater is especially fit for heating water like bucket, basin, bath tub, mini  inflatable swimming pool, etc.
  • Warning – Please make sure that the heater is completely immersed in the water. Do not use it for more than 3 hours continuously!Do not plug two pool heaters into the same outlet to avoid fire hazards!
HASTER 2000W Rapid Heating Square Immersion Water Heater for Inflatable Pool Bathtub,Bucket Heater with 304 SS Guard, Submersible Water Heater with LCD Thermometer,Heat 5 Gallon Water in Minutes
15 Reviews
HASTER 2000W Rapid Heating Square Immersion Water Heater for Inflatable Pool Bathtub,Bucket Heater with 304 SS Guard, Submersible Water Heater with LCD Thermometer,Heat 5 Gallon Water in Minutes
  • ☀[2000W Rapid Heating]:Advanced Square Design 2000W high-power immersion water heater can make 5 gallons of water warm in a few minutes. While camping can bring this portable bucket heater and can enjoy shower even outside .In the cold winter, you no longer need to wait for a long time for warm water. When you get an above grond pool heater , you can enjoy hot water in just a few minutes.
  • ❀[Safety Protection] This immersed portable hot tub heater with 304 stainless steel cover guard.The cable is with premium quality copper wire. Heating in water for a long time will not cause rust,effectively preventing burns. Bathtub heater comes with the digital LCD thermometer whcih can show the temperature easily and can enjoy with the comfortable warm water.Be sure the water is enough then plug it .
  • ♥ [Easy to Use] Just put the US Version pool warmer for inflatables into the water and connect it to power supply without much fuss.. Please note that the heater must be completely immersed in water during use. Through water temperature measurement, you can base on temperature. Note: It is recommended that the continuous use of the tap water heater should not exceed 3 hours.If heat the small pool above ground inflatable pool please kindly check the pool size before purchasing.
  • ♛[Portable and Versatile]: You can use the portable electrical submersible heater in many occasion. It supports to use in containers of different sizes, such as buckets, basins, bathtubs, mini inflatable portable swimming pools, etc. Please note if using in outdoor Inflatable swimming pool one should not be enough and not suggest to use for big swimming pool .This is the first choice for home and outdoor work.This portable electric camping water heater is handy and super lightweight
  • [Warnings]: Do not heat while using water . The protection plug of leakage is not a power switch.Make sure the water level is enough before use. Read the instructions carefully before using .Don’t put your hand into the liquid when the electric water heater is plugged in.When the liquid is hot, unplug the immersion heater element then take out from the container.Do not plug two heaters on the same outlet .


478 Reviews
Memoryee Immersion Water Heater Portable Electric Stainless-Steel Heaters with Guard CoverSubmersible Home Instant Water Heater with and for Travel Camping Hot Bathtub Mini Inflatable Pool
  • Instant Immersion Water Heater: submersible electric heater runs on a more powerful and energy-saving motor. It will boil 5 gallon of the water in minutes and it will not consume too much power. All you need to do is just put the heater in to the water then connect the 120V power supply, easy to use. Gifts: digital thermometer.
  • High quality and safety:With ABS outer and anti-rust stainless steel guard to effectively prevent the heating element is in direct contact with the human body and heat dissipates to the water faster by flowing through the holes in the guard, safer to use and minimize accidents. High performance heating element which has been strictly tested and with over 10,000 hours service time, sturdy structure and fine workmanship to ensure the superior quality, durable and reusable.
  • Warning: The heater needs to be completely immersed in water in working condition. It takes about 2 hours to heat 25 gallons of water from 0 °F to 104 °F. please do not use it for more than 3 hours continuously! If the capacity of your bathtub or small swimming pool is large and more than 2 water heaters are needed for heating at the same time, please do not plug the two heaters into the same outlet to avoid fire hazards. Please take out the heater before touching the water!
  • Easy to use and safe: Just Immerse in water at proper level. Plug into any grounded wall outlet.Come with a digital LCD thermometer, easy to measure water temperature. Each of our bucket heater has been strictly tested. Your satisfaction is our first priority. If you have any problems after receiving this product, please feel free to contact us, we will try to help you at anytime.
  • Wide Application: The electric immersion heating element can be used in water, especially fit for heating water in large size container like bucket, basin, bath tub, mini inflatable swimming pool, etc.This immersion heater is handy and super lightweight, making it perfect for travels and road trips.
SOCTKE Immersion Water Heater,2000W Submersible Portable Electric Heaters with 304 Stainless-Steel Guard Cover Home Instant Bucket Heater for Small Inflatable Pool Bathtub Travel Camping
58 Reviews
SOCTKE Immersion Water Heater,2000W Submersible Portable Electric Heaters with 304 Stainless-Steel Guard Cover Home Instant Bucket Heater for Small Inflatable Pool Bathtub Travel Camping
  • Immediate Heating: Immersion Water Heater has a rated power of 2000W, which can quickly heat 5 gallons of water. Typically takes 2 minutes to heat from 77°F to 180°F, It has a porous design with good thermal conductivity.High-quality energy-saving equipment
  • Rust Proof Stainless-steel Guard: With ABS outer and 304 anti-rust stainless steel guard,it is rust proof and durable, Effectively to prevent the heating element is in direct contact with the human body,Avoid direct burns, more secure protection,The holes on the guard dissipates heat into the water faster.
  • Simple Operation:Put the immersion water heater completely into the container of water. The water level is higher than the power indicator.plug portable water heater into a properly grounded 120V AC outlet,When working normally, the indicator light is always on.Come with a digital LCD thermometer, easy to measure water temperature.
  • Precautions:1.The heater needs to be completely immersed in water in working condition! 2.Please do not use it for more than 3 hours continuously! 3. More than 2 water heaters are needed for heating at the same time, please do not plug the two heaters into the same outlet to avoid fire hazards! 4.The power must be disconnected before taking out the water heater! 5.The water heater just finished working is very hot, please do not touch the stainless steel part.
  • Wide Application: Portable water heater can be used in water, especially fit for heating water in container like bucket, basin, bath tub, mini inflatable swimming pool, etc.Perfect for travels and camping and winter time job such as car washing, heat your farm animals’ water
2000W Immersion Water Heater, Heat 5 Gallons of Water in Minutes Immersion Heater, with Thermometer Anti-scalding Bucket Heater, Pool Heater for Above Ground Pool, Submersible Bathtub Heater
184 Reviews
2000W Immersion Water Heater, Heat 5 Gallons of Water in Minutes Immersion Heater, with Thermometer Anti-scalding Bucket Heater, Pool Heater for Above Ground Pool, Submersible Bathtub Heater
  • 【2000W Ultra Fast Heating】2000W immersion water heater heats up faster. When you’re out camping or traveling, the high-power travel bucket water heater can quickly heat up 5 gallons of water in minutes, saving you time and power consumption.Faster than 1500W immersion water heater.
  • 【Easy to Operate】The design of the submersible portable water heater is simple. Small size, easy to carry when you travel, (How to use: Please make sure the immersion heater is fully immersed in water, and then connect the 125v/110v power supply. Equipped with a digital LCD thermometer, after heating for a period of time, put the probe into the water to test the water temperature.)
  • 【Upgrade Design】2000W High power Immersion heater adopts a stainless steel protective shell, with a solid structure, high bending strength, and very safe. Below the protective hole, the heat is released faster. The bottom drainage design adopts high-temperature and wear-resistant material to drain to prevent accidental injury.
  • 【Used Anywhere】Take a super comfortable hot bath in cold weather, or use the bucket heater to boil water for a comfortable foot soak that will keep you warm all night. bathtub water heaters are suitable for rapid heating in different small capacity containers such as buckets, bathtubs, small pools, washbasins, mini inflatable swimming pools.
  • 【2-Year Warranty & 60 Day Refund】Included package: 1x immersion water heater, 1x thermometer to prevent scalding and electric shock, 1x wire brush for cleaning the heater. Please read the instructions and precautions carefully before using the electric immersion water heater. If you have received a defective Immersion heater or have other problems, please contact us immediately. We will send you a new immersion water heater immediately. wish you happiness.
HASTER Portable Pool Immersion water Heater for Inflatable Pool Bathtub,Bucket Heater with 304 SS Guard,Electric Submersible Water Heater with LCD Thermometer,Heat 5 Gallon Water in Minutes In&Out
565 Reviews
HASTER Portable Pool Immersion water Heater for Inflatable Pool Bathtub,Bucket Heater with 304 SS Guard,Electric Submersible Water Heater with LCD Thermometer,Heat 5 Gallon Water in Minutes In&Out
  • ☀[Heat water faster]: 1500W high-power immersion water heater can make 5 gallons of water warm in a few minutes. In the cold winter, you no longer need to wait for a long time for warm water. When you get an immersion water heater, you can enjoy hot water anytime and anywhere in just a few minutes even for outdoor camping with this portable immersion heater for camping .

  • ❀[Safety protection] This UL Certified immersed electric water heater with 304 stainless steel cover guard. Heating in water for a long time will not cause rust, and also protect the heating from direct contact with people, effectively preventing burns. It comes with the digital LCD thermometer whcih can show the temperature easily and can enjoy with the comfortable warm water .Let us enjoy swimming with this portable pool heater


  • ♥ [Easy to use] Just put the full submersible water heater bucket heater into the water and connect it to power supply without much fuss.. Please note that the heater must be completely immersed in water during use. Through water temperature measurement, you can base on temperature. Note: It is recommended that the continuous use of the tap water heater should not exceed 3 hours.If heat the outdoor swimming pool please kindly check the pool size if any question please feel free to contact us
  • ♛[Portable and versatile]: You can use the portable bucket water heater anywhere. It supports to use in containers of different sizes, such as buckets, basins, bathtubs, mini inflatable portable swimming pools, etc. Please note if using in outdoor Inflatable swimming pool one should not be enough .This is the first choice for home and outdoor work.This immersion heater is handy and super lightweight, making it pool warmer any grounded wall outlet.



  • [Warnings]: Do not heat while using water . The protection plug of leakage is not a power switch.Make sure the water level is enough before use. Read the instructions carefully before using .Don’t put your hand into the liquid when the electric water heater is plugged in.When the liquid is hot, unplug the immersion heater element then take out from the container.Do not plug two heaters on the same outlet .


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