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The Best Bathtub Heater of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Bathtub Heater of 2023. Check our ranking below.

2,818 Reviews Scanned

Rank No. #1

Immersion Water Heater, 2000W Bucket Heater with 304 SS Guard, Electric Submersible Water Heater for Inflatable Pool Bathtub with LCD Thermometer, Fast Heats 5 Gallons of Water in Minutes

2000W Super Fast Heating - The immersion water heater is rated at 2000W and operates at 110-125V AC. Porous design with good thermal conductivity. When you're out camping or traveling, the high-power bucket water heater can quickly heat up to 5 gallons of water in minutes, saving you time and electricity consumption. If you have a lot of water, just increase the heating time.
Safety Protection - This UL certified submersible water heater has a rust-resistant 304 stainless steel cover that can effectively prevent the internal heating element from direct contact with people or animals, making it safer to use and prevent burns. Holes in the shield dissipate heat into the water faster. One-piece design, better insulation and air tightness. Note: Do not touch water when connecting the power to prevent electric shock!
Easy to Operate - Please make sure the immersion heater is completely submerged in water, and then connect the 110V/125V power supply. Equipped with an LCD liquid crystal thermometer, after heating for a period of time, the probe of the thermometer will be tested on the top of the water to test the water temperature, and it only takes 3 seconds to know the water temperature. Heating submersible water heaters do not heat liquids other than water.
Use Anywhere - Bucket heater allows you to enjoy a comfortable bath/foot soak even in cold winter days. Immersion electric water heaters can be used in non-conductive containers such as buckets, basins, bathtubs, mini inflatable swimming pools, etc. Not suitable for iron containers. Great for farms, car snow removal, winter washing, camping, travel and more.
Read Tips - 1. Please make sure the heater is completely submerged in water before use! 2. Do not touch water when using it to prevent electric shock! 3. Please do not use it continuously for more than 3 hours! 4. Please do not plug two water heaters into the same socket, so as not to cause a fire hazard! 5. The power must be disconnected before taking out the water heater! Please read the instructions carefully before use.

SaleRank No. #2

JESTOP Anti-scalding Bucket Heater, Electric Immersion Water Heater with Digital LCD Thermometer, Stainless Steel Guard Submersible Heater, Rapid Heating in Minutes

【1500W Heating Helper】The instant hot water heater is suitable for rapid heats water in large size container like bucket, basin, bath tub, mini inflatable swimming pool, etc. The Package includes 1 x digital thermometer, 1 x stainless steel cleaning ball, 1x water heater. It is deal gift for your friends and family during winter.
【Safety & Practicality】The pool heater with stainless steel protective guard can effectively prevent the heating element from directly contacting the human body, which is more safer. Heat dissipates to the water faster by flowing through the holes in the guard. It can boil 5 gallons of water in a few minutes. Please use it strictly according to the instructions! !
【Easy To Use】Fully submerge the heater in the water and connect it to a 120V power supply. Check power indicator light to make sure immersion water heater is working then it will heat water continuously. JESTOP heater is perfect for any cold weather application.
【Widely Application】JESTOP Heater is small and portable. You can easy to carry it to heat your farm animals’ water, your tiling water on the job site, car wash bucket, pail of bath water in a tiny home or camper, window washing water and more!
【Warning Tips】Due to the high power of the product, please ensure that the circuit you are using wihtout any quality problems! The heater must be completely immersed in water during working! Please take out the heater before touching the water! Please do not use it continuously for more than 3 hours! Please do not plug the two water heaters into the same socket to avoid fire.

Rank No. #3

SereneLife PHSPAMT24HT Therapeutic Bathtub Spa Mat Pad Massager with Built-in Heater and Massaging Air Bubbles for Bath Tub Body Massage Therapy

Bubble bath massage mat transforms your bathroom into a tranquil oasis where you can enjoy blissful sensation of relaxation to your home without leaving the comfort of your own space
Equipped with a built-in heater that effortlessly maintains a comfortable water temperature with heated air, it creates a warm and relaxing bath experience
Comes with a motorized air pump with automatic safety power-off function, positioned outside your bathtub, creating millions of gentle, soothing air bubbles and ensures a worry-free experience
AAroma Clip provides the option to infuse essential oils into your bubble bath jacuzzi, where you can immerse yourself in the delightful scents that amplify your relaxation
Included remote control makes adjusting the bubble intensity exceptionally convenient; Massage mat measures 47 inches in length and 14.2 inches in width, and weighs 7.75 pounds

SaleRank No. #4

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.
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 .

Rank No. #5

1500W Electric Immersion Water Heater for Bucket, Bathtub Heater with Timed Automatic Power Off, Small Portable Heaters with 304 Stainless-Steel Guard, Heats 5 Gallons Water in Rapid (Built-in Timer)

[Efficient Heating] Immersion Water Heater has a rated power of 1500W, High power, Quickly heats, Timed power outage, Bucket heater 5 gallon can quickly heats 5 gallons of water. If the amount of water is more, Just increase the heating time.
[Safe and Timed] The small pool immersion heater has a timer power-off function to stop heats on set time. The bathtub heater will automatically shut off at the set time, effectively avoiding fire. Notice: Do not touch water during connected the power to prevent electric shock! Please unplug the power or touch the outside of the container to test the water temperature.
[Note] 1. People can't be touch the water while the bath heater is connected the power. 2. Before power up please make sure the bucket heater is completely submerged in water. 3. Unplug the power before taking out the bathtub water warmer heater and using hot water. 4. Must use 15A outlet. 5. More than 2 portable water heaters are needed for heating at the same time, do not plug two camping water heaters into the same outlet to avoid fire hazards!
[Features] 1.Rust Proof 304 Stainless Steel Guard. 2. Better insulation and Safety timed power off function. 3. With three-core 15 AWG stranded copper wires. 4. Digital LCD Thermometer. 5. Inflatable pool heater with Power Indicator light. 6. Small Pool heater is perfect for any cold weather application.
[Scope Application] 1. Submersible water heater for bathtub, Plastic bucket water heater electric for plastic basin, large drinking glass cup, Bath warmer for tub, bathtub, wooden barrel, inflatable tubs, water trough heater for horses, waterpot. 2. Electric pool heater for above ground pool not applicable to iron containers. 3. Electric water heater can't heat oil or other liquids except water. 4.If for any reason, the product you have purchased is not suitable for you, please contact us.

Rank No. #6

Immersion Water Heater Bathtub Heater with Real-Time Temp Detection Temp Setting Temp Maintenance and Security Alarm Function for Bucket Basin Bathtub Inflatable Pool 1875W(125V 15A)

Adequate Heating Effect:1875W(125V 15A): Effective heating is vital for our customers, and a higher power rating usually means better performance. However, it's important to note that the US has a lower voltage limit than other countries, with 125V being the maximum voltage for household use. Our portable water heater is set at 1875W(125V 15A) to accommodate the maximum current that a household power strip can handle. Products claiming the power of 2000W are unrealistic in the US market
Smart Water Heater-Multi-Functional: Compared to other common immersion water heaters, our product comes with a controller and is equipped with three built-in sensors, which enable a security alarm function, real-time temperature detection and setting, and temperature maintenance function. This reduces the risks associated with using this type of product, making it more intelligent and improving the user experience. For specific instructions on usage, please refer to the manual and main image
Premium Materials: Quality immersion water heaters demand top materials. Our wire (14AWG, 3*2.08mm²) is twice as thick as others, handling 15A current without overheating. The heating tube, also double the thickness, features an 11mm diameter and superior heating wire for durability. Our waterproof sealant prevents electrical leakage and resists high temperatures, ensuring heater safety
Widely used: First, please note that this product is not designed for heating food-grade water. However, it can be used to heat various containers, such as buckets, basins, bathtubs, and even mini inflatable swimming pools. Additionally, it is lightweight and portable design makes it easy to carry and heat water for your farm animals, wash your car
Buy With Confidence: Consider our product over similar options with confidence. we stand behind our product with a two-year warranty. If you encounter any issues with the product within this time frame, please don't hesitate to contact us. We are committed to helping you resolve any problems, whether replacing the product or issuing a full refund.

Rank No. #7

Briidea 1300W 120V Titanium Fully Submersible Portable Hot Tub Heater with Anti-Corrosion Sensor, Electrical Leakage Protection, Thermostat, Widely for Baptistry, Bathtub, Pool

FAST HEATING: Briidea Titanium Heater has 1300W of power and is designed to heat liquids quickly and keep them at the temperature you want
ACCURATE TEMPERATURE CONTROL: The sensitive and corrosion-resistant temperature sensor can be submerged directly in the liquid to accurately maintain the temperature within 0.1°C of your desired level, completely eliminating the need to worry about overheating and saving efficiently. Temperature control range: 32-240℉ (0-120℃)
EASY TO USE: You can set the expected temperature by pressing the button, which is easy to operate, besides, the set comes with a power-off memory function; the LED screen displays both the set temperature and the current temperature, so you can easily grasp the temperature situation
SAFE & RELIABLE: The product uses UL-certified wire and comes with GFCI plug to effectively protect your safety; compared to stainless steel, the titanium alloy heating rod has good heat resistance and effective corrosion resistance, allowing you to heat ordinary water (tap water), salt water, underground water, solutions, chemicals and other liquids
WIDELY USED: The product is widely used in kitchen sinks, bathtubs, spa bath hot tubs, baptismal pools, stock tank pools, ponds, cattle and sheep drinking troughs, etc

Rank No. #8

Immersion Water Heater, 2000W Portable Electric Instant Bucket Heater with Digital LCD Thermometer, Stainless Steel Guard Anti-scalding Submersible Water Heater for Bathtub Hot Tub Pool, UL Listed

2000W Instant Water Heater - The electric hot water heater has a power of 2000W and a voltage of 110-125V. It will quickly heat 5 gallons of water with high power in a few minutes, and it will take about 30 minutes to heat the water to 104 degrees Fahrenheit (longer in winter). It is suitable for rapid heats water in large size container like bucket, basin, bath tub, mini inflatable swimming pool, etc.
【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.
【Safe Hot Water Heater Set】Package Includes 1x UL certificate immersion water heater, 1x LCD secreen thermometer for water temperature check, 1x stainless steel scourer for cleaning the heater. Please read the instructions and precautions carefully before using the electric immersion water heater.

Rank No. #9

Water Heater – Portable Heater 1000W 10in 110V - Electric Immersion Tankless Water Heater - Calentador de Agua Electrico Boiler Element Heating Coil - Bucket Heater for Camping Inflatable Pool Bathtub

[PORTABLE HEATER] Portable water heater is very compact and simple in design, making it widely distributed. It is simple electric appliance for heating liquids
[EXTREMELY POWERFUL] Portable immersion bucket water heater is very powerful; with its 1000W it is incredibly ginormous, strong, and can heat 5 gallons of water in minutes. KEEP HANDS OFF. Don’t put your hand into the liquid when the element is plugged in a wall outlet
[SPECIFICATION] AC 110V, 1000W, 201 stainless steel, total length: 10" ((25.4cm), tube length: 7.3" (18.5cm), heating coil diameter: 0.256" (6.5mm), calentador de agua electrico cable length: 4.9 ft (1.5m)
[WIDELY USED] Great electric heater for medium and small sized jobs. Water heaters can be used on the farm, for bathroom sink, to heat outdoor pond, as awesome camping necessity, inflatable pool heater, bucket heater. Ideal for home, office and travel. El calentador de agua eléctrico se puede conectar en cualquier lugar donde haya una toma de corriente eléctrica cercana
[HANDY] This water boiler differs from an electric kettle in that it lacks a dedicated vessel for the liquid and requires immersion in the liquid. Instead, it utilizes a portable hot water heater tube as its heating element.

SaleRank No. #10

Briidea 1300W 120V Titanium Fully Submersible Portable Hot Tub Heater with Anti-Corrosion Sensor, Electrical Leakage Protection, Thermostat, Ideal for Baptistry, Bathtub, Pool

FAST HEATING: Briidea Titanium Heater has 1300W of power and is designed to heat liquids quickly and keep them at the temperature you want
ACCURATE TEMPERATURE CONTROL: The sensitive and corrosion-resistant temperature sensor can be submerged directly in the liquid to accurately maintain the temperature within 0.1°C of your desired level, completely eliminating the need to worry about overheating and saving efficiently. Temperature control range: 32-240℉ (0-120℃)
EASY TO USE: You can set the expected temperature by pressing the button, which is easy to operate, besides, the set comes with a power-off memory function; the LED screen displays both the set temperature and the current temperature, so you can easily grasp the temperature situation
SAFE & RELIABLE: The product uses UL-certified wire and comes with GFCI plug to effectively protect your safety; compared to stainless steel, the titanium alloy heating rod has good heat resistance and effective corrosion resistance, allowing you to heat ordinary water (tap water), salt water, underground water, solutions, chemicals and other liquids
WIDELY USED: The product is widely used in kitchen sinks, bathtubs, spa bath hot tubs, baptismal pools, stock tank pools, ponds, cattle and sheep drinking troughs, etc

Rank No. #11

2000W Anti-scalding Bucket Heater, Heating 5 Gallons of Water in Minutes for Inflatable Pool Bathtub, Portable Electric Water Heat with LCD Thermometer, Submersible Water Heater with 304 SS Guard

2000W Heating Helper:2000W water heater heats faster than 1500 water heater. can quickly heat up 5 gallons of water in minutes, Instant water heaters are suitable for quickly heating water in large containers such as buckets, basins, bathtubs, and mini inflatable swimming pools.
Easy To Use:The pool heater adopts a stainless steel protective cover for greater safety. (How to use: Please make sure the pool 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.)
Safety & Practicality:2000W High power water 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.
Widely Application:The 2000W heater is compact and portable. Suitable for rapid heating in different small capacity containers, you can easily carry it to heat water for farm animals, car wash buckets, a bucket of bath water in a small home or camping car, window cleaning water, and more!
2-Year Warranty & 60 Day Refund:Included package: 1x water heater, 1x thermometer to prevent scalding and electric shock, 1x wire brush for cleaning the heater.It is good gift for your friends and family during summer or winter. If you have received a defective heater or have other problems, please contact us immediately.

Rank No. #12

Soundfair Immersion Water Heater for Boiling Bathtub Water, Heavy Duty Submersible Bucket Water Heater with Metal Guard Cover to Heat 5 Gallons of Water in Minutes - U.S. Version

Fast Heating Efficiency: Powerful 1500W SOUNDFAIR immersion water heater can quickly heat up to 5 gallons of water. You can feel the warmth of hot water quickly in the cold winter. Save time and electricity, environmentally friendly. The SOUNDFAIR immersion water heater is a blessing for washing cars and clothes in winter!
Safe & Reliable: SOUNDFAIR Immersion bucket water heater with thermostat and automatic shut-off function. The heating element contains a thermal overload safety switch that keeps the temperature constant when heated to a certain temperature. The automatic shut-off function is able to shut down in case of overheating, which is safe and reliable.
Ergonomic Design: The heating element of the SOUNDFAIR electric immersion heater is protected by a stainless steel casing on the outside, which is rust-proof and can prevent electric shock. People can safely enjoy a warm bath in the bathtub. (When the electric heater is working people can not be in the water). With a power indicator inside the plug, you can easily observe whether the SOUNDFAIR electric water heater has been working.
Wide Range of Applications: Our SOUNDFAIR immersion water heater are longer than normal and are suitable for more occasions. You can use the SOUNDFAIR electric water heater to heat the water in a small swimming pool, so you can swim as happily in winter as you do in summer. Great camping necessity, so you don't have to worry about hot water anymore!
Simple Operation: Immerse the SOUNDFAIR electric water heater in the appropriate level of water. Plug into any grounded wall outlet. Check the power indicator on the plug to make sure the bucket heater is turned on. The portable water heater then begins to operate.

Rank No. #13

Immersion Water Heater Bucket Heater 1500W Portable Water Heater for Bathtub with Stainless Steel Guard and Digital LCD Thermometer Suitable for bathtubs(Not Suitable for Swimming Pool)

[Immediate heating] (Do not touch water during use to prevent electric shock!!!)The bathtub heater has a rated power of 1500W, which can quickly heat 5 gallons of water. The outer shell is made of high-quality stainless steel and has a porous design with good thermal conductivity.Note: Our products are not suitable for heating swimming pools, only suitable for heating bottled water or bathtubs.
[Safe and reliable] The heater has an automatic power-off function. When the water temperature reaches about 120~160 degrees Fahrenheit, the water heater will automatically stop heating, effectively avoiding fire.Notice: Do not touch water during use to prevent electric shock!The probe of the thermometer needs to be placed at the top of the water instead of the bottom, so that the temperature can be displayed normally.
[Easy operation] Just immerse the heater completely in the water. It is best to lay the heater horizontally at the bottom of the bathtub. Be careful not to touch the water with your hands when working. If the thermometer does not work, please contact customer service for replacement.
[Precautions]1.Do not touch water during use to prevent electric shock! 2. The water heater must be completely immersed in water before power on. 3. The power must be disconnected before taking out the water heater. 4. Do not use it continuously for more than 3 hours! 5.Please do not plug the two heaters into the same outlet to avoid fire hazards.
[Wide application] Portable water heater can be used in bathtubs, wooden barrels, washbasins, washing in winter, camping, traveling, etc.

SaleRank No. #14

ATAZUA Immersion Water Heater, Smart Pool Heater with Digital LCD Controller, 1875W Portable Bucket Heater with Smart Temp Control Security Alarm Function, Bathtub Heater with 14AWG Heavy Duty Cord

【Security Alarm Function】-This immersion water heater adopts smart safe alarm design, if the heater is not into the water completely, the immersion heater cannot be heated and the buzzer continuous alarm, so do not worry any more about the heater working on air. However, this is not a standardized operation process, so please check the heater is completely in the water before power on!
【Temperature Measurement Function】-When the portable swimming pool heater is powered on, the control box can detect the water temperature, the digital LCD screen of control box will display the water temperature in real-time. No need to touch the water with hands or other cheap thermometers to check the water temperature!
【Temperature Maintenance Mode】-This immersion heater built in constant temperature function, when you touch + or — key to set temperature, the heater starts to heat up, after reaches the preset temperature, the temperature constant mode is automatically turned on, when the water temperature is 10 °F lower, the immersion heater restarts heating. Always Keep the Water Warm! IN ADDITION, if you do not touch + or — key, the heater goes into normal mode and heats up to the 176 °F maximum and then stops!
【High Quality & More Efficiency】-This portable swimming pool heater adopts better quality heating wire and thicker power cords, 1600w high power can heat water faster, the thicker power cords effectively solve the problem that the power cord can be hot during the heating, 304 stainless-steel guard and porous design, safe and anti-rust protection and good thermal conductivity, the immersion water heater can heat water faster and more efficiently, no longer need to wait for a long time for warm water!
【Warm Tips】-This is a portable water heater, easy to carry, perfect for many occasion and supports to use in different size containers such as bathtub, inflatable swimming pool, buckets, basins. Warnings: 1-Do Not touch water with hands during using. 2-Do Not plug 2 heaters on the same outlet to avoid power overload. 3-Avoid of use by children. If you have any problems, please contact us, we will reply ASAP!

Rank No. #15

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 .

Rank No. #16

Immersion Water Heater, 2000W Portable Bucket Water Heater with LCD Thermometer, Stainless Steel Guard Submersible Water Heater, Heat 5 Gallons of Water in Minutes for Bathtub

☀[Heat Water Faster] Immersion water heater has upgraded the internal heating element, with good thermal conductivity porous design, heating more efficient. Boil 5 gallons of water in a few minutes, saving energy and allowing you to enjoy a cozy bath even on a cold winter's day! It takes about 30 minutes to heat the water to 104 degrees Fahrenheit (longer in the winter).
★ [High Quality ] Portable water heater housing is made of 304 stainless steel and fireproof fiber material, can effectively prevent the internal heating element from direct contact with people or animals, more safe use. 304 stainless steel shell, effective rust prevention, reusable, service life up to 10000+ hours.
★ [Easy to Operate] The water heater is easy to use. Fill the container with water, then immerse the electric water heater completely, connect it to the 120V power supply, and wait for heating. If you are unsure of the heating effect, you can use the included liquid crystal thermometer to test the right water temperature. Note: Do not touch the hot water directly with your hands.
★ [Easy to Carry] The hot water heater is 9.8 inches long and 2.2 inches wide at the bottom, and weighs just 0.9 pounds (0.4 kg). It is small and lightweight, making it easy to carry. Take this portable water heaterwith you while camping, so you can easily enjoy a shower even when you're outside.
★ [You will get] 1* immersion water heater, 1* LCD thermometer, 1* cleaning wire brush, 1* instruction manual. And we provide two years free warranty service and 7*24 hours customer service, if you have any problem with your order, please feel free to contact us.

SaleRank No. #17

Quickly Heat Your Pool with Our 2000W Electric Bucket Heater - Portable, Submersible, and Safe for Inflatable Pools and Bathtubs

★ Heating seconds - The electric heater immersed in the suspension can heat the water heater in just a few minutes. The 2000 W electric heater makes hot water heating more effective. Boil 5 gallons of water in a few minutes. All you need to do is put the heater in the water, and then connect the easy-to-use power supply.
★ Automatic shutdown - The water heater has an automatic shutdown function. When the water temperature reaches about 70 degrees Celsius, the indicator light goes out, the product automatically turns off the power, and then pulls out the plug to contact the water, if the plug is not pulled, when the water temperature drops to about 50 degrees Celsius, it will become hot again.
★ High performance - We choose high-performance water heater elements based on rigorous testing, the service life of more than 10,000 hours, a rugged structure and superb technology to ensure high quality, durability and reusability.
★ High quality and safety - Electric immersion heaters have high-quality copper wires, so it is easier to transmit more electricity. The exterior of ABS made of stainless steel and rust protection effectively prevents the heating element from coming into contact with the human body. This is safer to use and reduces accidents
★ Meet your different needs - enjoy a super comfortable bath in cold weather, or use our heater to boil water and soak your feet overnight to keep you warm. Applicable containers: bathtub, plastic bucket plastic bathtub, inflatable swimming pool, bathtub, foot tub.

Rank No. #18

Immersion Water Heater for Bathtub with Stainless Steel Guard, Portable Electric Bathtub Heater for Boiling Bath Water, Portable Bucket Heater Heats 5 Gallons of Water in Minutes 1500W

★[Function]: The Immersion Water Heater is used to heat water in large size containers such as buckets, tubs, bathtubs, mini inflatable swimming pools, etc.
★[High quality and safety]: Our immersion water heater for pool adopts high quality ABS shell and rust-proof stainless steel shield, which can effectively prevent the heating element from direct contact with human body, and the heat is dissipated to the water faster through the holes on the shield, multiple protection and safer to use. After rigorous testing of high-performance heating body, the use of more than 10,000 hours, solid structure, fine workmanship, durable and reusable.
★[Easy to use]: Simply submerge this immersion water heater portable in the proper level of water and plug it into any grounded wall outlet. And we are equipped with a digital LCD thermometer for easy measurement of water temperature.
★[Convenient]: 1500w 120v electric immersion water heater can heat up to 5 gallons of water in minutes. Before plugging in the heater, make sure the heater is fully submerged in water, then connect to a 120v/110v power source.
★[Tips]: 1. Make sure to fully immerse the heater in water when working, otherwise the product will partially dry burn (this may melt the top plastic and cause a fire)! 2. Do not use for more than 2 hours continuously! 3. Do not plug two heaters into the same outlet to avoid fire. 4. Remove the heater before touching the water!

SaleRank No. #19

2000W Immersion Water Heater,Portable Electric Instant Bucket Heater with Digital LCD Thermometer, Stainless Steel Guard Anti-scalding Submersible Water Heater for Pool Bathtub,UL Listed

【Including Storage Bag】：Complimentary storage bags are provided to facilitate the storage of the water heater after use.
【Safety And Practicality】: This UL-recognized immersion portable hot tub heater is equipped with a 304 stainless steel shield that prevents direct contact between the internal heating element and people or animals, making it safer to use and preventing burns.Heat dissipates to the water faster by flowing through the holes in the guard. It can make 5 gallons of water warm in a few minutes.our upgrade design ensures optimal performance!
【Widely Used】: This immersion water heater can be used not just for swimming pools, but also for hot tubs, bathtubs, mini inflatable swimming pool, camping shower,farm animals’ water, window washing water and more. It is not suitable for using in big swimming pool.
【Easy To Use】]:Take Electric Submersible water heater immerse in water at proper level,Plug into any grounded 120V AC outlet.with a digital LCD thermometer, easy to measure water temperature. Check power indicator light to make sure immersion water heater is working .Please note: people and animal can't be in the water while the heater is working.
【Satisfaction Guarantee】: If for any reason you are not satisfied with your purchase, please contact us for a full refund or replacement. Your satisfaction is our top priority.

Rank No. #20

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

Last update on 2023-08-29 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: Is there some type of heater for a bathtub?

A: What type of bath tub heater you need depends on the configuration of your bath tub’s plumbing and whether you need 110 or 220 volts. Spa Guts carries bath tub heaters to fit all styles of whirlpool bath tubs. Bath tub heaters come in two basic configurations: T-style and inline.

Q: How do you test a hot tub heater?

A: The best way to test a heater element is using an electrical tester. Turn off and remove all power to the spa, then remove the heater, you can then test hot tub heating elements for integrity, use an ohm meter on its lowest setting. With the meter’s test leads, measure the resistance between the two terminals.

Q: How does a hot tub heater work?

A: How a Hot Tub Heater Works. Every hot tub breaks down into two components: the shell and the cabinet. The shell is the weather-resistant outside. Just below the shell, the tub is supported by foam or fiberglass. The hot water is generated in the cabinet, which is made of polymer or wood. It stores the system of tubes, heaters and pumps.

Q: Why is my Tub not getting hot water?

A: Another possible reason why your tub is not getting sufficient hot water is a clogged pipe. Old pipes sometimes get clogged with mineral deposits due to chemical imbalances in the water. This can block hot water from reaching the bathtub faucet, even though the sink’s hot water faucet is working fine.