Passed UL Safety Tests

Great acid resistant heater

The QENIVO Immersion Water Heater 1500W 120V, Titanium Portable Submersible Heater with NEMA 5-15P Plug, Digital Temperature Monitor, Durable Build & Secure, for Bathtubs, Buckets & Small Inflatable Pools is an amazing submersible water heater. This little heater allows you to heat up water when hot water isn't available. This is great for bathtubs, foot soaks, or even buckets of water for bathing or washing dishes when hot water isn't available. Whether you are remodeling, taking a sponge bath, or a dozen of other reasons when heated water is wanted but not an option, this handy heater comes to the rescue. It is functional and simple to use. Plus, it is listed at a fair price point. I have used this submersible heater more than I initially expected. I am thrilled that I ordered it. I highly recommend this heater.(My star rating system: 4 stars met my expectations, 5 stars exceeded my expectations, 3 stars fell short of my expectations, 2 stars significantly fell short of my expectations, 1 star highly suggest not ordering)

I use this to heat up and maintain 50 gallons of water at 85° for my mobile dog grooming business. It does a great job ever at below zero temps.

EMERGENCY UTILITY & MATERIAL BUILD:Having one of these immersion heaters in your household can be an absolute lifesaver and should be part of every home’s emergency survival or disaster preparedness kit. Whether your primary hot water heater blows, or the power goes out and you are running on a generator, needing hot water and being unable to heat it can become a critical safety issue. This specific unit features a longer-lasting, highly conductive titanium heating element over standard stainless steel, which naturally prevents rust and corrosion with repeated use. The inner heating element utilizes magnesium oxide to transfer heat efficiently, and the open-slot outer cage design allows for superior water circulation compared to basic models. According to the manufacturer, it can heat a standard 5-gallon bucket in about 8 minutes.CRITICAL SAFETY FEATURES & SETUP:The manufacturer is highly vigilant about safety compliance, which is a massive plus. The unit includes a clear, translucent NEMA 3-prong grounded plug, allowing you to visually inspect the internal wiring and connections before plugging it in. Because this heater draws a continuous 1500W of power until unplugged, knowing what is happening behind the scenes is crucial to prevent fire or shock.A CRITICAL SAFETY WARNING:Never touch or place your hands or any body parts into the water to check the temperature while the heater is plugged in and submersed. Doing so runs a severe risk of hospitalization or worse. Instead, use the included separate digital thermometer. It arrives with a battery ready to go—simply pull the clear plastic guard from the battery compartment to activate it. You submerse only the metal-tipped probe rod into the water to consistently monitor the temperature rise from a safe distance.TESTING OBSERVATIONS:For my test, I filled up a full bathtub high enough to completely submerse the heating element. Because my 100+ year old house lacks bathroom AC outlets, I had to rely on a heavy-duty extension cord to power it, which is generally not advised by the manufacturer. After leaving the unit running for about 20 to 30 minutes, the digital thermometer only indicated a rise of a few degrees, and the water still felt relatively cool to the touch. The power cord did not get hot, meaning it wasn't overtaxed or drawing improperly.The lack of intense heat was likely due to the massive volume of a full bathtub being too large for a single portable probe to heat quickly, combined with the extension cord setup. The probe did visibly bubble at the surface, indicating the element works perfectly. I look forward to testing it again in a smaller, more appropriate 5-gallon vessel.The watertight construction is excellent, and no liquid leaked into the internal wiring. One minor quirk is that the digital thermometer lacks a physical off button or switch. Even after leaving it out to dry for several days, the display remained on. To avoid wasting the battery, I recommend removing the cell between uses and storing it in a small baggie taped to the unit.PROS:>> High-quality titanium construction prevents rust and ensures longevity over steel models.>> Translucent visual safety plug allows for easy wiring inspection before drawing high power.>> Efficient magnesium oxide heating element with an open cage for optimal water flow.>> Includes a dedicated full-color user manual with extensive safety procedures.>> Comes with a bonus submersible digital thermometer and an ash-style liquid transfer scoop.CONS:>> Thermometer lacks an on/off switch, requiring manual battery removal to preserve power.>> Not designed to heat massive open vessels like full bathtubs efficiently in short windows.BOTTOM LINE:Overall, this is an incredibly well-made, safety-conscious emergency tool that works exactly as intended when paired with the right-sized container. It is awesome to have on hand for unexpected power outages or plumbing failures, and I highly recommend it as a staple addition to any household survival kit or off-grid gear collection.

Very pleased with it. Hests a 5 gallon bucket of water up pretty quickly!! There was a delay in shipping on behalf of Amazon, but it was functional upon arrival. Recommended! Price was comparable to others in this class of immersion heaters. Has a case surrounding the rod. It'll be extremely hot when you pull it out of the water. I hung mine up so it vould cool off without melting anything! I'd buy this again!!

As someone who spends time off-grid, a water heater is something I don't have... until now!I got this with the plans of being able to heat a 5 gallon bucket for shower water to at least a more tolerable temperature, as to the 61 degrees it is the temp when it comes out of the ground.For the purpose of my test, this was done here in Phoenix. As you can see, water out of the tap in June, is not all that cold. However me feeling is... for 10min. of use, the temp should increase by the same number of degrees.For my test I have a 5 gallon bucket of water. This comes with a temp gauge which I really like as I don't need to supply my own. I took my watch off and recorded the starting time/temp and then the finish time/temp just 10min. later. While it may be hard to see in the pics, I started at 79.3 degrees and ended with 100.6 degrees. So I got a 21.3 degree rise in temperature. Not too shabby for 10min. Now if I was off-grid and started at 61 degrees and ended with 82 degrees, while not super-hot, that is certainly a temp you can shower with.I like that the cord is thick and well insulated. The probe with the plastic outer shell is a game-changer, as to risking contact with the metal heating element. This allowed me to let it rest at the bottom of the bucket, as to needing to suspend it so not to melt the plastic.The double-sided instructions, partially seen in my pics, provides easy to read instructions with illustrations to get the point across. The cord is about 6ft long so please do not add an extension cord to it unless it's 12 gauge or you can risk damage or blow your circuit breaker.With this being portable and easy to store, I look forward to using the allot when off-grid.

As a Vine reviewer, I’ve tested a few different immersion heaters over the years—mostly for heating water for outdoor cleaning or warming up a small inflatable soaking tub. This 1500W Titanium model stands out for a few specific reasons, but there are some safety protocols you definitely need to follow.Build Quality & Material The standout feature here is the Titanium element. Most budget heaters use stainless steel, which can eventually corrode or "pit" if you have hard water or use it frequently. Titanium is much more resistant to mineral buildup and chemical corrosion. The guard around the element is sturdy enough to prevent the heating coil from touching the bottom of your plastic bucket, which is essential to avoid a literal meltdown.Performance At 1500W, this pulls about 12.5 Amps. On a standard 15-amp household circuit, this means you cannot run anything else (like a vacuum or a hair dryer) on the same circuit without tripping a breaker.The Test: I used this to heat a 5-gallon bucket of cold tap water (approx. 55°F). It brought the water to a steaming 110°F in about 12–15 minutes.Small Pools: If you’re trying to heat a 200-gallon "stock tank" pool, be realistic—this will take several hours to see a significant temp rise. It’s best suited for 5–20 gallon applications.Safety (Read This!) This is a high-draw appliance. The NEMA 5-15P plug is a standard three-prong grounded plug.Water Level: You must ensure the heating element is fully submerged before plugging it in. If you run it "dry," it will burn out the fuse (or the element) in seconds.Stay Out of the Water: Do not put your hands in the water while this is plugged in. Even with the grounded plug, it’s best practice to unplug it before testing the temperature with your hand.GFCI is a Must: Only use this with a GFCI-protected outlet (the ones with the "test/reset" buttons). Since you’re mixing 1500W of electricity with water, you want that extra layer of protection.Pros:Titanium Element: Better longevity than stainless steel.Heavy Duty Cord: The cable doesn't get excessively hot during a 20-minute run.Fast Heating: Maxes out the power available from a standard US wall outlet.

This water heater seems to be thought very well.In a separate small bag you will find the digital thermometer which has an external wired temperature probe, to monitor the temperature of the water. The thermometer comes with the batteries installed and a plastic tab to prevent battery draining. In most devices, you pull the tab to make the device work. In this thermometer, you have to open the battery compartment, remove the batteries, remove the plastic tab, reinsert the batteries. If you try to just pull the tab, it will not come out.The heater comes in a sealed bag It has a plastic cage to prevent contact with the heater element itself, and avoid burns to the body and to the container in which it is used. The immersion heater measures 35mm in diameter and 245mm long, not including the cable strain relief.The power cord is 79" long. I noticed that the power cable strain relief rotates freely with respect to the cable. I hope it is not an indication that water will leak into the electrical connections.The plug has a removable plastic protector for the prongs. The plug is molded in clear plastic and it includes a neon light to indicate that power is present.The power cord also has a label indicating that the heater element should be fully immersed in the water. The label has the FCC logo... why? Is there any radio frequency generation inside the immersion heater? hmmm....The metallic heater element itself is marked as follows:1500W 120V Titanium 202411DURING USE THE HEATER MUST BE COMPLETELY SUBMERGED IN WATEROTHER USE WILL DAMAGE BY DRY BURNINGBecause it is an electrical heater, it is of the utmost importance that the outlet and the extension cord used, if any, have the proper grounding both at the receptacle as in the plug ends. The extension cord should be capable of handling 15 amps continuously. Keep in mind that conventional wall outlets with grounding prong are rated for 15 amps, so no other device connected to the same outlet should be used at the same time.The instructions indicate that it should not be used in metal containers.The instructions also indicate that neither the container or water should be touched when the heater element is energized and submerged in the water, and that the heater must be unplugged and allowed to cool down before removing from the water.The instructions recommend the use of a thermometer to determine the heating time (what??) and water temperature.In any case this immersion heater does its job and does it well; I do like it.Only time will tell how long it lasts.