1.1Gal Water Distiller, 0.4Gal/H, Distilled Water Maker Machine 1750W 0-99H Timing Dual Temp Display, 304 Stainless Steel Countertop Distiller Glass Carafe Cleaning Powder 3 Carbon Packs, Silver

I've had this unit for almost 2 years now, so I thought I would write a review. My wife and I each have CPAP units, so we use distilled water every night in the humidifiers to keep our throat and nose from turning into the Sahara Desert. The going rate for a gallon of distilled water in the store has long been $1.49 until recently, and is now $1.69. We got sick and tired of buying gallons and gallons of containers constantly - having to deal with all the empty containers... etc. So we bought one of these to make our own distilled water. Being a data geek - I created a spreadsheet to track the number of KWH per batch of water. Our local power rate is just over 10 cents per KWH. Using a measuring unit plugged into the wall socket, I measure each usage and enter it into my spreadsheet. On average, I use just over 3 KWH per 1-gallon batch - which calculates out to around 31 cents! That is a HUGE savings per gallon! After a little more that 1 year - it ended up paying for itself! I am now at over $42 toward paying for itself a second time. That is a great ROI in my book - not to mention the complete elimination of buying tons of 1-gal containers at the store, which at times have been out of stock! The unit works perfectly, and I have had zero problems with it. It turns itself off when it's distilled almost all of the water each batch - so you don't have to keep your eye on it for fear of it melting down, or catching on fire. There is always a small level of water left at the bottom. One thing though... the plastic container provided to gather the distilled water...... is CRAP. First of all - it's PLASTIC. Second, it's too tall to fit under the spigot, and then you still have to pour its contents into some other container. Get rid of it. I found a MUCH better solution: Buy yourself some glass jugs (instead of plastic - to try and cut our ingestion of microplastics) and a length of 5/16" silicone tubing, and have it drip into the containers. Both items are on Amazon as well. See my attached photos. We settled on 2 half gallon jugs per batch. They're lighter and easier to manage than full gallon jugs. I set my phone stop watch (around 2hrs and 15 min) when I start a batch, so I know when to switch over to the 2nd bottle so I don't loose a bunch of water. But if you don't want to have to switch bottles in the middle of the batch - full gallon bottles would certainly work just as well... and not require moving the tube to a second bottle. I am very happy with this purchase, and will buy another one when this one quits.... in fact, I might buy another one soon, just so I have another one ready to go! If you are dealing with the same issues we were - you won't be sorry with this purchase. Sure, you have to make your own distilled water, but it's very easy to do. It takes around 4 hours per batch. It's almost a "set it and forget it" operation. Also - the citric acid included works GREAT to disolve mineral deposits after using a few times. I bought a larger bag after using up the one included, and use it around every 3rd batch. Simply sprinkle around a cap full into the container and fill about an inch with warm water and let sit over night. Simple as that! Good luck!

The name on the Distiller that arrived was NOT Mophorn, but VEVOR. I have had this Distiller now for 6 months and it is working well. I have made many gallons of good tasting, quality water With no mechanical issues at all. The secondary filter fits into the spout that disassembles and the fan is nice and quiet unlike complaints of loud fans by other users of the Mophorn labeled distiller. The MFR must have improved on the fan's quietness. I have more than broken even by saving money on water I formerly bought in the store. IMPORTANT! I use a timer set for 3 hours to both protect machine from overheating and makes it easier to clean after each gallon is distilled. The little extra water left behind is really insignificant and protects machine from having to raise the temperature in order to trigger the auto shutoff feature and also making sure the residue left behind doesn't bake into the metal this makes it harder to clean and could decrease the life of the machine. The timer I use is found here on Amazon: Link > https://www.amazon.com/dp/B00MVDTEXS?ref=ppx_yo2ov_dt_b_product_details&th=1 This Timer is inexpensive, easy to use and works great. This is the second review.. I have more than broken even with the cost of Machine vs buying distilled water at the store. and have actually made a profit of $80.00 and the machine is still putting out water. Since I have been so happy. I have taken that $80 I made and purchased another one, putting it aside in case this one does fail. So far so good though. The only potential problem I can see is the seal where the top meets the base. This seal is important in keeping the steam contained while its distilling. The only wear I can see happening is from the habit I have of after placing the top onto the base and after doing that twisting the top around while on the base to align it. Just place the top down on the base and do the positioning prior to placing on the base and don't twist or rotate the top around and it should make the rubber seal last longer. 3rd Review GOOD NEWS. I bought this unit in March of 2023 it is now January 3rd 2024. This machine is still running strong after 8 months. The money it saved me (8 Mos @ $30.00 Per month = $240) paid for this unit. It saved me almost 3 and a half times what it cost. I owe it lasting this long, to using the timer to shut it off after 3 hours. If you buy this machine you MUST buy a timer before using it. I have read horror stories of those who did not use the outside timer. Do yourself a favor and get one for this unit especially. The timer sited above has worked very well.

As others have noted, I didn't receive the Mophorn labeled distiller, I received a different brand -- Vevor. But it's the same thing, just different branding. I'm using it mainly for my humidifiers but I have also begun to use it when I make tea and also just to drink it. It's taken a while to get rid of the petroleum smell (See Below re: activated charcoal) but now things are working very well. With the availability of distilled water waning and the effectiveness of the Zero Water systems' filters failing miserably, this is about the best alternative I could find for my water hog humidifiers. What I and others have found is that the key to using these machines is purchasing a $10 count down timer. https://www.amazon.com/Century-Mechanical-Countdown-Timer-Grounded/dp/B00MVDTEXS/ref=sr_1_20?crid=3G4OVT3KK3SZ1&keywords=countdown+timer&qid=1645712659&sprefix=countdown+timer%2Caps%2C96&sr=8-20 It makes a world of difference in terms of clean-up because you're not allowing the machine to completely run dry and burn the left over sediment onto the bottom of the pot. And I think/hope that will extend the life of the machine, because the electrical wires on this device are very thin and the additional heat needed to shut it off "automatically" can't be good for those thin wires. (I saw a YouTube video where someone took this totally apart. Some parts were sturdy, but not the electrical wires inside that run from the switches to the heating element.) Fill the pot, set the timer for 4 hours, and relax. I like the fact that this distiller, unlike almost all the other entry level distillers, has a dedicated on/off switch. It eliminates the BIG SPARK that often occurs when you unplug a unit that's running. (NOTE: The Reset switch is NOT an on/off switch. It only engages if you let the machine run til it triggers the shut off mechanism. Then you do need to press the Reset button even if the on/off button is set to on.) In terms of cleaning...you can use a little vinegar in the bottom of the pot with a little water, plug in the bottom part but don't put on the top, and run it for about 5 minutes to remove the build up on the bottom. (I found that taking a wooden spoon and stirring around a microfiber cloth helps a lot in removing stuck on sediment.) Or you can use some citric acid, but you do NOT need 3 tablespoons like it says on the directions. 2 teaspoons is plenty, and do the same as with the vinegar -- heat up the pot for 5 minutes, swish around a microfiber cloth with a wooden spoon and it's clean as a whistle. Then rinse it thoroughly, and you're good to go. (If there are deposits further up the pot you can do the vinegar thing and then just fill up the pot 3/4's of the way, let it sit for 10 minutes or so, rinse, and you're good to go.) I've found I can easily get 5 runs before I have to clean it using the count down timer, but I can see where some folks want to clean it after each use. It's personal preference. At first I didn't bother with the little charcoal filter packet because I wasn't drinking the water and didn't want to be bothered with the expense. But the strong petroleum smell bugged me. I happened to have some aquarium activated carbon on hand so I experimented with putting about 25 grams (compared to the 7 grams that come in those little packets) into cheap 2.5" x 3" organza gift bags. (I use 2 of those bags to make sure no charcoal pops out.) And so far I've found them to be very effective at eliminating the bad odors that I had been noticing. https://www.amazon.com/gp/product/B017VTD8T2/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1 Economically, each after market charcoal packet costs a little more than a dollar for 7 grams of charcoal. An 1134 gram tub of aquarium activated charcoal costs around $13. https://www.amazon.com/MarineLand-Diamond-Premium-Activated-Carbon/dp/B0002566WY/ref=sr_1_5?crid=3MQJ5MWMG4OBS&keywords=aquarium+activated+charcoal&qid=1645900118&sprefix=aquarium+activated%2Caps%2C94&sr=8-5 And the organza gift bags cost $8.00 for 100 bags. So doing the math...you can make around 50 packets for around $20, vs $1.25 each for the pre-made packets (less than half). And you're getting more than 3 times the amount of high quality activated charcoal per packet, so they should last much longer and be more effective. The only minor drawback is that you have to really clean the charcoal well before you put it into the little bags. I also snip the strings off the bags after I tie them off. I obviously can't attest to the durability of this product but I hope that with the timer and the relatively low TDS in my water (150ppm) it will last at least a year. If it does it will definitely have paid for itself. I wish things lasted longer but the reality is these things just aren't built to last. But for the price I'll be satisfied. Final Notes: The way these distillers are designed you're limited to the kind of jug you can use to catch the distilled water. Vevor makes another model that is 3" taller and has adjustable temperature as well as an on/off switch. It uses a silicone tube that goes into the jug and that could possibly accommodate a wider variety of jugs, like an Anchor Hocking glass jug, for example. I've ordered that model directly from Vevor's site and it should be here in a couple of days. I'm going to try that out to see if I like it better. I'll update after I've had time to use it. Also, to sort of simulate the height of that taller distiller, I put this one on 2 phones books, raising it about 3". I then took an empty/sanitized Arnold Palmer gallon jug of half iced tea/half lemonade and used that instead of the blue jug that came with the distiller to catch all the water. (This particular jug worked well because the spout is at the front, like the jug that came with the distiller. Other jugs, like gallons of milk or vinegar, have the spout more towards the middle, and they don't work -- the opening can't get close enough to the spout.) The Arnold Palmer jug is also very sturdy and thick, which should mean it'll be very durable. I had a piece of silicone tubing that came with a different distiller and I cut about 2" and stuck it on the little down spout. It works perfectly with the Arnold Palmer jug; no dribbles anywhere because it sits down an inch or so inside the opening of the jug. I also like how the lid on the Arnold Palmer jug fits tightly and securely; the one on the blue jug leaks all over the place. I now just use the original jug to fill up the distiller (because it's slightly more than a gallon) so that when I run it for 4 hours, it fills the gallon Arnold Palmer jug and still leaves some water on the bottom so there's no burnt-on sediment. It's a win all around. (The Arnold Palmer jug also had a real lemony smell at first, compared to the petroleum distillate smell of the original blue jug. But I sanitized it in bleach water and now it has no smell at all. So for under $3 I got a gallon of 50/50 iced tea/lemonade PLUS a very useful long term container for the distiller.)

This water distiller does a wonderful job. I purchased it at the end of January 2026 for the humidifiers I use in my apartment, since the humidity levels in Las Vegas can drop into the single digits. Using tap water or even refrigerator-filtered water caused white dusty particles to form because of the high calcium and mineral content in our local water. This distiller has solved that problem beautifully by producing clean, purified water. I run this machine 24 hours a day, 7 days a week, and after a little over five months of continuous use, it is still performing very well. I am extremely pleased with this purchase and would definitely recommend it.

I was excited to get this to distill my city tap water. It was easy to use and made clean tasting water. I plugged it into a smart plug and would run it for 3h 45m so it didn't run completely dry. This made it easy to clean since nothing burned on the bottom. I would clean out the inside every 2-3 refills and it was easy to do since it's stainless steel interior so I would use lemon juice. Get a large bottle of lemon juice and squirt enough to cover the bottom and let it sit for 5-10 min. Then run a magic eraser sponge inside and everything comes out sparkling clean after a good rinse with the sprayer of hot water. It may be overkill on my part for my quest for pure clean tasting water...I fill the distiller with brita filter water to start and when it comes out of the distiller, I run the batch thru my zero water pitcher which improves the taste. Now my zero water filter last a long time....so far 6 weeks and still at 0 tds. My tap water thru the zero water pitcher would last maybe 2 weeks before needing to be changed. Anyway, 6 weeks it was great and then suddenly tonight it wouldn't turn on. It was on and then it stopped after a few minutes. This is very sad. I bought it in early december 2022, didn't start using it until january 9 and pretty much ran it everyday, 1-3 batches depending on my schedule. I have a sheet of paper I used to keep track of how many batches I run because I was looking at my breakeven timeline vs buying distilled water. I pretty much breakeven since I ran about 48 batches, I still expected this to last longer than 6 freaking weeks. I thought maybe there was warranty but I see many complain of it breaking with no warranty nor response from seller. I'm just less than 3 months from when I first purchased it. It was great when it worked, now I'm not sure what to do other than buy another brand that has warranty and add the protection coverage. If you're eyeing this machine, spring for the $10.99 protection plan just in case yours stop working within months of use or try a different brand. This was sold under one brand but arrived with a different brand name which maybe they are the same company. Good luck but I don't recommend this at all due to it lasting very little time of use. I take good care of my appliances so this is really unacceptable to have it fail so soon.

I've been using this Vevor (aka Mophorn) pure water distiller for 10 months, running it at least once a day and often two or more times a day, 7 days a week. It's performed well and continues to provide a good quality distilled water (see below) with regular maintenance. Suggestions (lessons learned) 1) Do not run it dry. i.e. Do not let it run until the automatic shutoff turns it off. It takes roughly 4 hours to distill about 1 gal. of water. So, I have the unit on one of those inexpensive wall outlet timers set to shut it off after about 3 1/2 hours. This way the 'minerals & impurities' do not get "burnt on" the bottom so it's easier to clean and doesn't 'pit' the stainless steel. Personally, I disconnect the power cord from the wall timer to the unit as soon as I notice it has shut off. [Suggest you experiment with the 'time' if you have "Hard" water. You may want to shorten the time to 3 hours, producing less distilled water but 'saving' the units bottom from being as built up.] 2) After the distiller has cooled for at least 30 to 45 minutes, disconnect the plug from the upper to the lower unit, take off the condensing unit (top) with care as hot steam may still come out and hot water clinging to the unit will 'spill off' as soon as you tilt it. Set the top it aside and pour the leftover water from the distilling unit (bottom). Carefully because it will still be hot, wipe out both top and bottom with a soft cloth or paper towel. Take care when wiping off the upper unit being careful around the vent cover that the water vapor goes through to the condensing coil. Be sure to gently wipe off the soft seal on the top unit to keep it clean. Set both parts (top & bottom) on a towel or over the edge of a sink to dry being careful not to ding or damage the edges. Part of the reason for allowing the units (top & bottom) to dry at this point is to let them cool. If you are in a hurry to produce another 'batch' of distilled water, I suggest you let the unit cool for at least 15 to 20 minutes before proceeding. 3) Mix a couple ounces of vinegar with a little water and using a soft cloth or paper towel, wipe off the inside of the upper and lower unit with the vinegar & water mixture. Pour the remaining mixture out and rinse with tap water then wipe the inside with a damp soft cloth or paper towel. I usually lightly rinse it again just to be safe but that's "Belt & Suspenders" thinking. Set the units aside to dry or fill to run another batch. While I agree that this is not a 'laboratory Grade' distilling device but consider it a good quality 'Home Use' distiller which should produce reduced levels of 'harmful' contaminants from tap water when properly used. Even though the unit is as loud as an evaporative humidifier when operating, I find this Vevor Tabletop Water Distiller well this worth the money, but it does require care to maintain it so it will last. My most important piece of advice is do not let it run 'dry' and clean it with a vinegar or ascorbic acid and water mix at a minimum of every other use. Addendum I noticed a few negative reviews questioning the quality of the 'distilled water' produced by this unit, so I thought I'd add some thoughts and observations for those interested. There are many considerations that impact "what kind/level of distilled water" you need for your proposed use. First, there are different levels ('kinds') of "Distilled" water. No simple, single stage, countertop distilling unit will produce 'Technical or Laboratory Grade' distilled water, especially at this price. Filtering or distilling water for 'Human Consumption' is quite different than filtering water to produce water for a marine reef aquarium or use in a laboratory. Water processed in typical water plants for 'Human Consumption', often has certain chemicals added intentionally and/or inadvertently which are considered beneficial to humans. Chemicals such as Calcium, Potassium, Molybdenum and Magnesium are required by humans to stay healthy. In many areas Fluoride is added to "promote stronger teeth" and reduce tooth decay. While small levels of lead and copper are considered safe for human consumption, even a small amount of copper in marine reef water can poison and kill a marine invertebrate ('coral') and small levels of either are usually considered unacceptable for most laboratory grade distilled water applications. [FWIW, most Technical Grade and especially ASTM Deionized water is harmful to drink or even get in your eyes.] So, if you're primary purpose is to produce drinking water or water for home humidifier, when properly used and maintained, this unit will provide a highly reduced level of a large majority of 'unhealthy contaminants' found in most USA produced 'tap water'. Personally, I produce two levels of filtered/distilled water for our home use. First, for our humidifiers, I filter our tap water through two different gravity fed filters that contain 'mixed bed ion' with activated charcoal filtration. (see attached photo) This lowers the percentage of mineral impurities and unnecessary chemicals not needed for use in a humidifier. Reduces the 'white dust', etc. you may see from using unfiltered water in a humidifier. Second, I also use the double filtered water in this distiller to produce water to add moisture to the output of an Oxygen Concentrate and CPAP. This distillation greatly reduces many secondary 'pollutants' not desired for inhalation such as chloride, sodium, nitrates and sulfates as well as helping to ensure that any microbial, fungi or viral microorganisms possibly present are killed. While some of these can be safely ingested, they can be hazardous when inhaled especially by someone with 'lung issues'. [For the 'purists', I also gravity drip, reverse flow feed the output of this distillation unit through a water quality ultraviolet (UV) sterilizer into a Nalgene container using medical grade tubing providing approximately 15 minutes UV Light contact time.] In reviews comparing results of before and after impurity levels from a Certified Laboratory, I would suggest: 1) A Certified Laboratory Test should also be performed on the store purchased 'distilled water' you're buying for a "fair" comparison to the performance of any distillation unit you are using. You may be surprised at the test results for distilled water you purchased at your local grocery store for a few dollars. You may also want to do a comparison with 'Nursery Water'. PS, be sure to include a 'Fluoride Level' test in Certified Laboratory results. 2) In looking at the water quality, before and after test results posted in some reviews, I theorize the 'after distilling' with a unit like this was possibly A) Not run as suggested 4 or 5 time (with the water produced discarded) prior to sending the produced distillate to a Certified Laboratory for testing. And very likely B) The unit tested had the "tea bag' style activated charcoal filter installed. Probably, the 'Activated Charcoal' filter had not been pre-rinsed and 'washed' properly prior to use. For many years I was a Certified Water Plant Operator and have maintained marine reefs aquariums for decades which require stringent water parameters for the health of the invertebrates. So, I ran the following tests this weekend after probably 400+ uses of this unit. I don't have the test kit/equipment to run several other tests often run for drinking water such as the various polyethylenes, vinyl chlorides, cryptosporidium, Haloacetic acids, Barium, Beryllium, Cadmium, etc. These results are the findings for my water supply. (From my tap) Water quality tests [unfiltered tap water -> After Filtering and distilling - your results may vary] > pH: 7.8 -> 7.0 > Total Dissolved Solids (TDS): 286ppm -> 3 ppm > Electrical Conductivity (mmho/cm): 6.8 -> 1.3 > Salinity (ppt): 0.205 -> 0.004 > Hardness (dGH/dKH): 6/5 -> 0/0 > Carbon Dioxide (CO2, ppm): 2.7 -> 0 > Coliforms, Total (cfu/100ml): 0.01 -> 0.00 > E. Coli (cfu/100ml): 0.00 -> 0.00 > Giardia lamblia (mg/L): 0.00 -> 0.00 > Ammonia/Ammonium (ppm): 0.19 -> 0.03 (margin +/- 0.025 ppm) > Chlorine,Total (mg/L): 2.86 -> 0.71 > Chlorine,Free (mg/L): 0.95 -> 0.14 > Nitrate (ppm): 0.29 -> ND (Not Detectable) > Nitrite (ppm): 0.01 -> ND > Arsenic (As,ppb): 1.98 -> 0.01 > Barium (Ba,ppm): 0.16 -> 0.029 > Cobalt (Co,ppb): 0.91 -> <0.53 [MRL is 1] > Chlorate (CIO₃⁻ anion): 205 -> 30 [MRL is 20] > Chromium,Total (Cr,ppb): 0.41 -> <0.2 [Minium Reporting Level (MRL) is 0.2] > Chromium-6 (Cr-6,ppb): 0.19 -> 0.05 > Iron (Fe,mg/l): 1.2 -> 0.06 > Copper (Cu,mg/L): 0.043 -> 0.017 > Cyanide,Free (C≡N,mg/L): 0.001 -> 0.000 > Fluoride (F,ppm): 0.08 -> ND (Not Detectable) > Lead (Pb,mg/L): 0.0022 -> 0.0001 > Mercury,inorganic (Hg,mg/L): 0.0002 -> 0.0000 > Molybdenum (Mo,mg/L): 0.07 -> 0.01 > Phosphates (PO4,ppm): 0.23 -> 0 > Silicates (SiO2,ppm): 3.0 -> 0 > Strontium (Sr,µg/L=ppb): 426.5 -> 278 > Vanadium (V,µg/L): 0.31 -> 0.07

Professional Engineering Analysis: Vevor 1750W Water Distiller - A Technical Deep Dive As a water scientist, physicist, and electronics engineer holding patents across these disciplines, I approached this unit with professional skepticism. After comprehensive analysis of its internal construction and 13 months of intensive use, I'm genuinely impressed by the engineering quality relative to price point. Operational Context and Performance Metrics Our household of six runs this unit 3-5 cycles daily, producing approximately 1.2-2.0 gallons of distilled water per day. Over 13 months of continuous service, we completed an estimated 1,000-1,500 distillation cycles before the unit failed—impressive longevity given the duty cycle significantly exceeds typical residential use patterns. Pre-Treatment Protocol and Its Impact We employ a two-stage purification process that dramatically extends equipment life and reduces maintenance: Stage 1 - Zero Water Filtration: Pre-filtering removes dissolved solids, reducing TDS from typical municipal water (150-400 ppm) to 0-6 ppm before distillation. This eliminates the bulk of calcium, magnesium, and mineral scaling compounds that would otherwise deposit on heating elements and chamber walls. Stage 2 - Distillation: The thermal separation process removes remaining contaminants including: - Volatile organic compounds (VOCs) that pass through carbon filters - Heavy metals (lead, mercury, arsenic) - Pharmaceutical residues and hormones - Microplastics and nanoplastics - Bacterial and viral contaminants (thermal sterilization at 100°C) - PFAS compounds and other persistent pollutants This dual approach reduces citric acid cleaning frequency from every 2-3 cycles to every 5-10 cycles, and extends carbon filter pad life proportionally. Internal Engineering Analysis Power Distribution and Control Architecture: The unit employs a sophisticated dual-board design—unusual at this price point: Primary Power Board: Handles AC input conditioning, thermal management, and high-current switching for the 1750W heating element. The board features proper voltage regulation circuitry and robust traces sized for continuous high-current operation. Surface-mount components reduce manufacturing defects compared to through-hole designs. Logic and Display Board: Controls temperature regulation via PID-style control (Proportional-Integral-Derivative), manages user interface, and monitors safety systems. The microcontroller appears to be a capable 8-bit or 16-bit device with adequate processing for real-time temperature control. The professional-grade de-fluxing indicates quality manufacturing practices. Flux residues can create conductive paths causing shorts and corrosion—their removal suggests attention to reliability. Thermal Management and Safety Systems: The three-sensor safety architecture provides redundant protection: Thermal Cutoff Switch (Primary AC Protection): A bimetallic or ceramic thermal fuse rated for the operating temperature plus safety margin. This is a one-time fusible link that permanently disconnects power if the critical temperature threshold is exceeded—typically 130-150°C for this application. Circuit Board Thermal Sensor: Monitors PCB temperature to prevent component failure from self-heating. Modern power MOSFETs and voltage regulators generate significant heat under load; this sensor triggers shutdown before damage occurs. Control Thermistor (NTC Type): Provides continuous temperature feedback for the control loop. The negative temperature coefficient thermistor's resistance decreases predictably with temperature, allowing precise temperature measurement and regulation. This enables the variable temperature control feature critical for different distillation applications. Heating Element Design: The resistive heating element demonstrates thoughtful engineering: - Direct Bonding: Element is laminated directly to the stainless steel bottom, maximizing thermal transfer efficiency - Hermetic Sealing: Complete encapsulation in the bonded shell prevents moisture ingress and electrical contact with water - Thermal Distribution: Large surface area provides even heating, reducing hot spots that cause mineral baking and scaling Power density is approximately 8-10 W/cm², sufficient for rapid heating without excessive thermal stress on materials. Condensation System: The top-mounted condenser with active fan cooling creates efficient vapor-to-liquid phase change. The fan draws ambient air across cooling fins, maintaining the temperature differential necessary for condensation. The glass collection jar eliminates concerns about leaching from plastic containers during the cooling phase when water is chemically aggressive (pH 5.5-6.5 initially due to dissolved CO₂). Failure Analysis and Root Cause Observed Failure Mechanism: Detailed examination of the failed unit revealed electrochemical corrosion on solder joints of both circuit boards. This is classic moisture-induced degradation: Water vapor infiltration through the unsealed display cutout and condensation from thermal cycling Condensate formation on cooler circuit board surfaces during heating cycles Electrochemical corrosion at solder joints where flux residues and contaminants create microscopic galvanic cells Progressive degradation of electrical connections leading to intermittent failure then complete failure The absence of conformal coating is a concern to me. Military-spec and industrial equipment routinely employ conformal coatings for moisture protection, but consumer products often omit this cost-adding step. Engineering Solution - Conformal Coating Application: I applied liquid silicone conformal coating to all circuit boards: Materials: MG Chemicals or similar silicone conformal coating (50-100 micron thickness when cured) Procedure: 1. Removed power board (two Phillips screws) for complete access 2. Applied coating with acid brush in thin, even layers to both sides of power board 3. Coated accessible side of display board (cannot remove without display damage risk) 4. Ensured complete coverage of solder joints, component leads, and PCB traces 5. Avoided coating connectors where mechanical connection is necessary 7. Allowed 12-hour cure time before using The silicone coating provides: - Moisture barrier preventing water contact with conductors - Dielectric insulation reducing leakage currents - Chemical resistance to contaminants in condensate - Flexibility to accommodate thermal expansion cycles Design Vulnerabilities and Mitigation Strategies Display Panel Seal: The seven-segment LED display protrudes through a stamped opening in the stainless steel housing. The seal consists of a thin gasket that compresses inadequately, creating a direct moisture pathway into the electronics compartment. Remedy: Applied RTV silicone sealant (GE Silicone II or equivalent) around the perimeter of the display on the exterior housing. This creates a permanent waterproof seal. Ensure the sealant fully fills gaps and allow 48-hour cure before operation. This modification is essential for long-term reliability. ** Condenser/Chamber Interface Seal:** The condenser unit (top assembly) seats on the chamber rim via a flexible gasket. Inadequate clamping force or gasket degradation allows steam leakage during operation. Impact: Water drips onto counter or floor, creating safety hazard and moisture damage risk Mitigation: Place unit in a shallow pan or tray to contain any leakage. Apply firm, even pressure when closing the lid to ensure proper gasket compression. Inspect gasket periodically for wear or deformation. Water Quality Science and Health Implications Distillation Process Chemistry: Distillation achieves separation based on vapor pressure differences. Water boils at 100°C (at sea level) while most contaminants have significantly higher boiling points or decompose before vaporizing. The process: Vaporization Phase: Pure water molecules escape the liquid surface as steam, leaving non-volatile contaminants concentrated in the boiler chamber Vapor Transport: Steam rises to the condenser, carrying only volatile compounds with boiling points near or below water Condensation Phase: Steam cools to liquid on condenser surfaces, with early condensate potentially containing volatile organics Collection: Purified water collects in glass container Contaminant Rejection Rates: - Minerals and salts: >99.5% removal - Heavy metals: >99% removal - Microorganisms: 100% removal (thermal kill at 100°C) - Most organics: >98% removal - Volatile organics (VOCs): Variable, 50-95% depending on boiling point Critical Operating Protocol: Never run the boiler chamber to complete dryness. The final 50-100ml contains concentrated contaminants—potentially 100-1000x original concentration including: - Mineral scale precursors - Heavy metals - Organic residues - Nanoplastics that accumulate on heated surfaces Procedure: 1. After each distillation cycle, immediately pour out residual water while still warm 2. Rinse chamber with distilled water 3. Wipe dry with clean cloth 4. Add fresh pre-filtered water for next cycle This prevents progressive concentration buildup that eventually requires aggressive chemical cleaning. Final Product Specifications: Output water characteristics: - pH: 7.0 (after CO₂ equilibration with atmosphere) - TDS: 0-1 ppm - Conductivity: <10 μS/cm - Bacterial count: 0 CFU/ml - Meets USP (United States Pharmacopeia) standards for purified water Advanced Maintenance Protocols Carbon Filter Pad Replacement Schedule: The activated carbon post-filters (cylindrical pads in spout) provide final polishing by adsorbing: - Residual volatile organic compounds - Trace odors - Any condensate contaminants With Pre-Filtration: Replace every 20-30 distillation cycles or when water develops any taste or odor Without Pre-Filtration: Replace every 2-3 cycles due to rapid carbon saturation from higher contaminant load Installation Technique: 1. Pull spout downward from rubber grommet 2. Remove spent filter pad 3. Insert new filter pad ensuring it seats fully in spout cavity 4. Reinsert spout into grommet seal—you must feel it click into the seal, not rest above or below 5. Verify seal by gently tugging spout Citric Acid Descaling: When mineral deposits appear (white/gray film on chamber bottom): 1. Add 20-30g citric acid to 1 liter of water in chamber 2. Heat to approximately 70-80°C (not full boiling) 3. Allow to dwell 30-60 minutes 4. Drain and rinse thoroughly 5. Run one distillation cycle with pre-filtered water, discard output Citric acid chelates calcium and magnesium, dissolving scale without damaging stainless steel. Alternative Applications Alcohol Distillation (Experimental Test Only): The variable temperature control enables fractional distillation of ethanol solutions. Ethanol boils at 78.4°C versus water at 100°C, allowing separation. Test Protocol: 1. Set temperature to 80-85°C 2. Monitor distillate temperature 3. Collect early fraction (higher ethanol concentration) 4. Discard tails (higher water content) Important: This unit is not designed or rated for continuous alcohol distillation. Ethanol vapor is flammable. This was a proof-of-concept test only. Proper distillation requires specialized equipment with explosion-proof construction and vapor controls. Economic Analysis Cost Comparison: Similar capacity distillers range from $200-600. Vevor's pricing is consistently $100-150 below competitors for equivalent features: - Temperature control (rare in sub-$300 units) - Glass collection container (many use plastic) - Dual circuit board design - Three-tier thermal protection Competing Units Analysis: Many visually identical units are likely: 1. Vevor rebrands sold under different names at premium pricing 2. Knockoffs using lower-quality components 3. Same manufacturer supplying multiple brands The internal engineering quality suggests Vevor either produces in house under strict quality control or sources from a competent OEM manufacturer. Lifetime Value Calculation: At 4 cycles/day producing 1 gallon each: - Daily output: 4 gallons - Annual output: 1,460 gallons - Electricity cost: ~$0.50/gallon (at $0.12/kWh, 1750W, 4 hours) - Total annual electricity: ~$730 Compared to buying distilled water at $1-2/gallon retail: $1,460-2,920 annual savings Payback period: 2-4 months even accounting for filter replacements and maintenance Long-Term Reliability Projection With Modifications: - Conformal coating adds significant moisture protection - Display sealing prevents primary moisture ingress path Without Modifications: - Original design: 12-18 months typical at high use - Failure mode: Corrosion-induced electrical failure Health and Safety Considerations Contamination Concerns in Municipal Water: Modern tap water contains emerging contaminants that conventional treatment doesn't address: - Microplastics: 90% of tap water contains plastic particles >5μm - PFAS: "Forever chemicals" present in 45% of US tap water - Pharmaceutical residues: Hormones, antibiotics, pain relievers - Disinfection byproducts: Trihalomethanes from chlorination Distillation is one of few home treatment methods removing these compounds effectively. For Immunocompromised Individuals: Distilled water eliminates: - Cryptosporidium and Giardia cysts (resistant to chlorination) - Bacterial contamination - Viral contaminants - Parasitic organisms - nano plastics - hormones This is critical for chemotherapy patients, transplant recipients, and HIV/AIDS patients. Final Assessment This distiller represents exceptional engineering value. The internal construction quality rivals units costing 2-3x more. The primary design deficiency—lack of conformal coating—is easily remedied with $15 in materials and 1 hour of careful work. Recommended For: - Health-conscious individuals prioritizing water purity - Families with high water consumption - Users in areas with contaminated municipal water - Anyone requiring pharmaceutical-grade water quality - Individuals with chemical sensitivities Not Recommended For: - Applications requiring continuous 24/7 operation - Users requiring >6 gallons/day (consider larger industrial units) The modifications I've implemented should substantially extend service life. I'll update this assessment after another 12 months of operation to validate these improvements. Disclosure: I have no affiliation with Vevor, receive no compensation, and have had no communication with the company. This analysis is based purely on technical evaluation and practical experience.

I purchased this distiller about 1 year ago. We've been using it successfully for the past year. The performance is excellent. In our home the unit is used pretty much daily as my roommate is picky about her water quality. I enjoy it too and am glad she wanted us to distill our own water. It's much cheaper than buying purified water at the store and it's much better. When using a distiller it will build up residue over time (usually noticed within a couple weeks of regular use). While the manufacturer included some citric acid that is used to dissolve the residue, we went through the small package fairly quickly. I ended up ordering a larger bulk package here on Amazon and that has worked well to keep the water tub clean and looking new. We probably clean it once a month to avoid extensive build up. I looked at quite a few models here in Amazon. I guess that's pretty normal. Ended up settling on this one for price and the overall good reviews. During the past year this thing has worked great... UNTIL today. Today the distiller refused to turn on. Upon inspection, I found the black power cord that plugs from the wall outlet into the power port on the back side, was partly melted and there was burn residue in the power outlet on the back side. I quickly cleaned up the outlet port and tried a new power cord (these are the same style as used by typical computers like Dell or HP, with the three prong connector style). The unit still did not work. So I'm now contacting the vendor to inquire about the warranty. I actually bought this on Sept 3, 2024 and it is now Sept 8, 2025. So we're just barely a couple of days past the one year purchase date. I will update this review if I get a positive experience from VEVOR dealing with this situation.

Funziona perfettamente da più di 2 anni. Molto soddisfatta

- 146€ - L'eau sort pleine de crasse ? - La carafe est remplie de calcaire ? - Une ligne d'eau s'est dessiné dans la carafe ? - Aucun contact, aucune aide - Le manuel est incompréhensible - La qualité de distillation est mauvaise - J'ai un Méga Home qui fait de l'eau super propre

Un destilador genial para hacer destilados (alcohol) y agua. Rápido y fiable. Fácil de limpiar y cómodo. Muy buena compra . La recomiendo.

Je l’utilise depuis plusieurs mois et il fonctionne très bien. Bon produit.

Perfect !! Excellent Quality for Excellent Value !!