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Immersion heaters are NOT suitable for liquid heating in standard drinking cups due to critical operational constraints and safety considerations
- Immersion depth non-compliance – Cup dimensions typically fail to meet the manufacturer-specified minimum submersion thresholds (≥200mm vertical depth) Our heater is 10 inches, we require the heater to be completely submerged in water for use
- Material compatibility risks – Glass/ceramic cups lack the thermal shock resistance required for sustained heating cycles, with fracture risks escalating at temperatures exceeding 60°C
The HeavenBird heater CANNOT be used with people/animals in the water, please wait until the water is heated before using.
We strongly recommend NOT using any heaters in animal feeders. Our heater is ONLY SUITABLE for heating containers with a fixed water volume, or with automatic water filling function.
- The frequency of cleaning scale on heating rods depends on several factors, including local water quality and frequency of use of water heaters.
- Local Water Quality: If the water quality is good and scale formation is slow, cleaning once a year is sufficient. If the water quality is poor and scale formation is fast, it is recommended to clean it every six months.
- Usage Frequency: If the water heater is used frequently, the heating rod accumulates scale faster. In such cases, it is recommended to clean it every six months. If the frequency of use is low, once a year is adequate for cleaning.
- In conclusion, the cleaning frequency of the scale on the heating rod should be adjusted based on the specific circumstances. Regularly cleaning the scale on the heating rod is important for ensuring the normal operation of the water heater, prolonging its service life, and improving the quality of hot water.
- After using for a period of time, we recommend soaking the heater in baking soda or white vinegar to remove dirt through its chemical reaction with scale.
Step: 1). Boil a pot of boiling water and pour in citric acid or baking soda.
Step: 2). After the citric acid or baking soda is fully dissolved, put it in a heating rod and soak it completely in the water.
Step: 3). Wait for 10 minutes, then clean with a cloth.
Safety Guidelines for HeavenBird Electrical Immersion Water Heater - Read the instructions carefully before you use the immersion water heater.
Q: Is this heater safe? Could it damage my container?
A: Electrical heating equipment requires strict adherence to operational protocols. Key safety considerations include:
Immersion compliance – Ensure complete submersion during use to prevent dry-fire hazards
Pre-operation verification – Thoroughly review technical parameters in the user manual prior to activation
Operational discipline – Follow manufacturer-recommended procedures for optimal safety and device efficacy
Q: Can the heating device remain continuously in animal drinking water containers?
A: Based on operational safety protocols, sustained immersion is prohibited. Specific restrictions and risks include:
Maximum operating duration – Device activation must not exceed 1 hour per session
Overheating hazards – Prolonged use increases current load, causing abnormal temperature rises in both sockets and equipment
Risk escalation – Sustained high temperatures (>60°C) may trigger insulation degradation or electrical failures
Timing control ▸ Implement automatic shutoff mechanisms or manual monitoring
Emergency protocols ▸ Immediately disconnect power if abnormal heating occurs
The immersion water heater is suitable for small inflatable swimming pools, bathtubs, buckets, etc., (NOT suitable for heating large swimming pools), is a good choice for camping, tourism, bathing.
When heating outdoor inflatable pools, it's essential to verify the product dimensions as they are specifically designed for compact setups and not suitable for large-sized swimming facilities. This limitation aligns with their typical application scenarios in residential or small recreational spaces. When you need to heat a small inflatable swimming pool, it is recommended to use more than 2 heaters, which will be faster, but please be careful NOT to plug both heaters into the same outlet.
Do NOT touch while heating water and the plug must be disconnected to use water. The temperature is measured by simply placing the thermometer probe in the water and the display on the outside of the container.
Warning:
Katie P.
August 22, 2025
So, not gonna lie, this still scares me slightly with all the safety warnings. But it works great! It heats almost twice as fast as the "traditional style" bucket heater. It has only served me through three freezing days of bucket breaking so far (one of them sub-zero) but I was so impressed I had to come write a review. I only wish I had bought the two-pack!
Joe
August 19, 2025
Great addition for the hottub during the winter. I got this as a backup just in case and have used it a few times to raise the portal hottub temp past 104. Works great !!! I think this would make any livestock tank a hot tub.
lolly
August 6, 2025
VERY DANGEROUS!! ZERO STARS!! it worked perfectly the first two times.... but the third time I used it it burst into flames badly!!!! I'm just thinking God I was close by and heard that little explosion sound. If I had walked out to take the trash out like I was going to my my bathroom would be destroyed. I don't know if my house would be burned down.!! shocking! I'm outside of the return window, unfortunately.... but I at least deserve my money back. This could've killed me.!!
Ticket
August 2, 2025
Yes it uses a lot of power. Around 1700 w from jackery. It heats up water from the top fast. From the top 3/4 is warm/hot in about 5-6 mins. The bottom 1/4 is cold. So best to drain bottom water first. I am using igloo cooler so I can drain bottom water first. After that water is hot so be carefully.
Aryan Strauss
July 13, 2025
Works really well. Burned out after using it once or twice a week from June to December (same year). Works great but once it starts corroding it’s time to buy a new one soon.
Math-Professor
June 27, 2025
A winner. Heats a half-full bathtub from 45 degrees (7 degrees C) to 105 degrees (41 degrees C) in about 4 hours. The gas company shut off the gas in my neighborhood for several days because of a leak somewhere. My water heater is gas-powered; so, this device was a life saver. I also used it to heat a sink of water (just a few minutes) to wash dishes. I have purchased a few extras just to have on hand if I ever get in an emergency like this again. BE SURE to follow the safety guidelines.
Ronnie the limo driver
January 20, 2025
These things work but use caution:1) These heaters use a tremendous amount of energy, if you are using a generator to power them, good luck because they are around 1500W which is HUGE and its like running two microwaves at the same time for one of these to get warm! they take several hours to get hot. They will yank amps/current like crazy from a lithium battery in your RV, so be prepared.2) You cannot use them inside an metal containers without being shocked HARD. You cannot touch the water with them inside anything else non-metal either, it just wont zap you as hard.So they do work, they just take forever to get going so it may be better to stick with gas for heating up your hot water tanks in a cabin/rv type frozen water scenario. Make sure you remove power to them before checking the water or it will shock you.3) If you use an extension cord, make sure its an extra heavy duty/high amp cord and the shortest cable possible for your application. Do not run two of these from the same outlet either or you risk a fuse-breaker trip inside your home/cabin, RV camper, etc.This works well for heating a small inflatable hot tub or kiddie pool as long as everyone knows not to touch the water while they are in. They have to be fully submerged or could burn out.I bought a 2 pack of these as an emergency way of heating frozen water barrels full of clean water that always freeze at a lodge/camp in the woods during winter. They took forever to get going in 20*F weather and I would suggest simply boiling hot water on a propane stove and pouring that hot water inside whatever is frozen rather than going this route as it takes forever. Using them with a LiFeP04 battery in a camper with an inverter will drain the batteries insanely fast.So, for heating up a small pool for the kids ahead of time making sure no-one touches the water = yes.Heating up a full sized pool = definitely not unless you want to see your electric bill go berserk.Pre-heating a hot tub for a few hours before the built in tub heating element gets going = yes.For heating up a semi-frozen 50 gallon barrels of water for emergencies with your generator in the winter time in the middle of nowhere without electricity and running on a generator, possible but not the best way to do it, at least not cost wise. The generator will struggle unless it is extremely powerful.Hope this helps.
Gerald M.
November 29, 2024
If you are going to hear up some water for a camp shower and leave it running until it shuts itself off, you are going to want to add some cold water to it first. If gets scalding hot!I think it took me 40 minutes to heat up 10 and 1/2 gallons of water from 50°f to 143°f in 30°f weather.
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