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based on 379 Customer Reviews
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By Craig Olson
December 30, 2017
I bought this for a keggerator project and am very happy with it. . A lot of folks buy the Johnson controller. It works great, but is about $95. This one is around $25. It took me about 20 minutes to wire it up to convert a chest freezer into a keggerator. If you're strictly a plug & play kind of person, get the Johnson. If you can do basic wiring and read the instructions, you'll have no problem getting this to work well. I like the digital read-out with temps in fahrenheit, not celsius, to 1/10th degree.
December 26, 2017
Aside from the somewhat cryptic instructions, it works perfectly. Hookup is easy. I had to adjust the temperature offset about 7 degrees to make it accurate, but once I did, it's been dead-on. I like that the hysteresis is adjustable. I'm using it on a small chest freezer that I use as a refrigerator. Increasing this setting to 4 degrees reduces the compressor cycling.Mounting options are pretty limited, unless you're pretty good and metal fabrication. Since this set up runs on solar power, having the temp displayed all the time is a nice confirmation that all is good.
By Sourdough Don
December 25, 2017
After reading reviews of both this product, the Docooler Digital Temperature Controller and the similar STC-1000, I realized that this unit does exactly what I want: a unit that I can re-purpose easily to either heat or to cool, with one power plug and one receptacle for the plug on the unit I am controlling. I use this to control either heating my bread dough to its optimal proofing temperature, or cooling my beer to fermentation temperature. I never need to have a set-up that can be configured and then switched between heating and cooling, like your home heating/air conditioning. Thus, I only need one receptacle to plug into, not two, as would be wired with the STC-1000 units. The good news for those buying this now is that the instructions are much clearer, including the wiring diagram. I did get mixed up with the low and high limits, thinking that I needed to set them to control the temperature, but the unit does that via the parameters, so all you do is set the target temperature, which comes up when you press “set”. I was pleased that the connection terminals accepted two 16 gauge wires, so the trick I used with my earlier controller worked fine: I took a 12-15 foot extension cord, cut it in half, and used the plug/male half to power the unit and supply the ‘hot’ side of the relay, and wired the receptacle/female half to accept the switched hot from the relay and get neutral from the plug half, via the shared neutral input on the controller. I only needed one jumper wire between the hot into the controller and the hot side of the relay, as pictured both on the unit and in the instructions. As always, consult someone with good experience with electrical wiring to confirm that you have hot and neutral wired correctly.
December 25, 2017
J'ai acheté ce regulateur pour équiper un vieux chauffage dont le bilame avait un énorme hysteresis. Il remplit bien sa fonction, pas bien compliqué a connecter, s'encastre proprement et solidement dans la fenetre que je lui ai découpé. L'hysteresis minimal est de 1°, pour réguler la temperature d'une chambre ca aurait été préférable de descendre un peu en dessous de ça mais malgré tout c'est très convenable pour ce tarif. J'enlève une étoile parce que j'ai une odeur de plastique chaud lorsque le radiateur est en service alors que le régulateur est positionné en dessous, je pense que le type de plastique utilisé ne supporte pas du tout le moindre rayonnement.
December 25, 2017
Ordered this to control some fans in our rabbit barn. Needed reasonable accuracy -- the analog ones we've tried varied from day to day by 5 degrees or more. Received the controller before they said I would (does ship from China). The instructions are readable but not the clearest. Thanks to several reviewers who have additional helps on operating. Wiring is fairly simple -- wire the load to two contacts and provide power to two contacts and put the sensor to the last two. The first unit I received worked only in heat mode -- would not activate in cool mode. I contacted seller through Amazon and they promptly responded and determined unit was defective. They happily sent another unit with no hassle. Their customer service through email was very good though it takes time to cycle emails back and forth -- they seemed to reply within a couple of business hours. They sent me a second unit which I installed and it worked great. Been working now for two weeks with no hitches or problems. Seems to be very accurate +/-1 degree. Display is easy to read. Turns our fans on over 78 and off below 78 exactly as we need. For the money you are not going to find a better thermostat. Summary: great product which seems to work well; though the 1st one was defective they promptly replaced it; shipping was as stated (looks like they may have just gone prime so shipping might be faster now); works great as fan controller.
December 20, 2017
mon besoin : commander le démarrage d'un circulateur pour circuit dérivé de ballon ECS - j'ai pris un appareil pour tester ses réflexes et son fonctionnement (simplicité, confort, précision...) alors que mon circuit en nécessite 3 - vu le prix comparé à au coût de mon installation, c'est acceptable - je précise que la carte électronique optionnelle de ma chaudière vaut 300 euros + intervention d'un technicien ! - appareil reçu, bien emballé, avec sa sonde - premiers tests, les fonctionnalités sont conformes à la description et me satisfont - la précision est au rendez-vous et l'hystérésis est respectée, ainsi que le temps de réactivité (réglable) - côté ergonomie, c'est acceptable, même si la logique de transition des valeurs m'échappe quelque peu - côté confort idem.... petit bouton, pas très agréable à piloter... mais une fois réglé, on n'y revient plus en théorie - j'ai simulé une panne de courant (plutôt une saute) de quelques minutes : les données enregistrées restent en mémoire - quid après quelques heures... ? à tester - l'afficheur est très agréable et grand ! ce qui permet de le voir de loin - la notice est indigente, comme souvent avec les produits d'importation - mais les bricoleurs avertis en font abstraction - reste la question de la durée du produit dans le temps... pour l'instant mon évaluation est de 5 étoiles parce que je n'ai pas le droit intellectuellement de présumer de la disqualification hypothétique du produit : j'y reviendrai s'il ne tient pas le choc !
By Lee Harrison
December 20, 2017
Product works well but it only lasted a year and a half before the contacts became frozen, and the timer was essentially stuck in the ON postion. This was particularly bad because I have it installed in a restored Coca-Cola cooler. Since it never turned off at 30F, the cooler got so cold it froze all the soda in the machine, and every single can exploded! It was a huge mess to clean up, and it took me a minute to realize how it even happened. I've purchased another one because the machine has been modified to fit this model specifically. Hopefully the next one lasts a bit longer. I have also noticed that the outer casing has been redesigned in the last year, with English replacing a large majority of the text on the unit itself. The instructions still suck though.
By Jer R.
December 4, 2017
It took some experimenting , but I got this controller working super. The instructions need some work for clarity. After reading several times and trying different things the process begins to fall in place. The hook up diagram was the easiest of all. I used some existing power cords and I started by cutting the receptacle end off and using the cord for the power hook up. Now you can use the receptacle end for the load hook up. One more short wire from power to load and you are there. Just follow the diagram without any deviations and it works. The display is in bright large easy to read numbers and letters. The project I'm using this on requires the controlling of a set high temperature to click on and a low temperature to cut off. It took some time to get the controller working right, but it's doing a good job with very precision settings. Looks like this controller can be used in a variety of different ways for other applications. Ten amps @ 120 volts will be more than enough for my project.
December 2, 2017
This one displays in Fahrenheit. I use this for sous vide cooking. Unlike the STC-1000, this model has only one relay. It can be used to control either heating or cooling. It powers up in the heating mode by default. Changing to cooling mode is programmed via the "Set" key. The instruction is not well written, but it is not that difficult to figure out how to program the unit. I put this controller into a 4.7x4.7x2.2in Hammond 1591 USBK ABS plastic project box, which is also available from Amazon. It fits nicely inside this box, with room for a Amico 3 pin power socket for plugging in the load. It is very easy to wire up. The relay is rated at 10A, so I use a 16 AWG power cord as a supply cord. The temperature sensor cord is a bit flimsy, but it works. For $17, I can't complain!! Can easily replace this 10K NTC sensor if broken. I already have a Johnson Controls A419 controller, but I need another controller. This is a much lower cost alternative. It is so inexpensive, I also put together another unit for a friend.
By Leonard W Van Eaton
November 29, 2017
This little unit works great. It keeps my beer cave at the prescribed temp within 2 + or - degrees F. It is way better than the more expensive Johnson Control unit that I have as well. It controls cooling or heating with reasonable accuracy. It ships far faster than advertised. Only one drawback; the instruction manual that comes with it is almost unintelligible. However, if you read it five or six times it can be understood. It comes with a temp prob, but no other wiring. There's the rub. There are some helpful instructions to be found on the internet. Don't hesitate to purchase this slick little unit. I bought one, then I got two more. They all work well. I highly recommend this item.
By Scott (Technogeek)
November 26, 2017
I wanted to make a Sous-Vide cooker out of my old crock-pot, and this was perfect. I just purchased a 10amp 3 wire extension cord, cut it in two, then wired it up per the included schematic. The cord wires attach via enclosed lug-less screw down terminals, so they are firmly attached. The wiring terminals have a removable plastic cover so any exposed wire is safely out of reach. Once he cord is installed, plug the cord male connector into the wall outlet, and the Crock-pot into the female cord end. Set the Crock pot temp to high, adjust this temp controller to your desired temp and your done! Programs super easy and works great, regulating the temp +/- 2 degrees in my Crock-pot. Manual is the usual Chingalish quality, but this thing is easy to figure out.
By J. Bobay
November 23, 2017
Great product. It measures by .1 or .2 degrees, you can calibrate it. I hooked up the sensor with about 40' of cat5e cable, wasn't sure if that would affect the temperature reading but it worked fine. Measuring solar panel temperature, will be using it to remotely turn on/off a cooling fan to cool the panels in the hot sun. Very versatile. Plugs in to 110vac, and only uses 1 watt of power if the relay is off, 2 watts if it's on. Bright clear display. Retains settings after power is unplugged. It's actually a little smaller than it looks, but a good size. Only problem is that the pinouts are marked in Chinese, so you have to refer to the instructions for hookup. Use a Sharpie to mark them in English. Also could be easily used as a simple thermometer at this price point. It updates every few seconds. Oh, and the probe is super-sensitive to temperature changes. If you simply grab the sensor for 1 second, the temperature will jump by 3-4 degrees due to your body temperature.
November 22, 2017
I purchased one of these about a month ago to control the under tank heater in a lizard cage. Previously I had been using lamp dimmers, but got tired of constantly adjusting them based on the ambient temperature of the room. I had also tried using a more expensive dial type thermostat designed specifically for reptiles that was about twice the price and had no features. When I received the first one of these, it worked so well that I ordered four more. They all arrived yesterday, so now I'm wiring them to the rest of the critter cages. So far, the only problem I have with these is the instructions that are included. The wiring diagram is pretty straight forward and the settings can be easily figured out. So far, very happy with this item.
By T Smith
November 20, 2017
Module powered up and functioned immediately. I built a box for it and associated power cabling, all went well on first assembly. I'd recommend socketing the temperature probe - I used a mini headphone jack on my project box. If you're not clear on the settings: when used for heating, you set the MAXIMUM temperature, where the relay cuts off, and the DIFFERENCE in degrees between the max and the minimum temperature. So for my use I set it at 38 degrees max, and a difference of 4 degrees: the relay turns on at 34 degrees (38-4) and turns off at 38 degrees). I wish I could deduct a half point for the directions, they are OK but a bit opaque (a medium quality translation, not horrible but needs work to explain things so a less experienced person could use it easily).
By david B
November 20, 2017
Je cherchais une solution pour réparer ma tireuse à bière, voilà qui est fait. Le contrôle de la t° de ma tireuse à bière ne fonctionnait plus, alors que le groupe de froid est vraiment excellent. Ce contrôleur lui a éviter de partir à la poubelle. L'avantage de ce produit est qu'il est livré complet avec sa sonde de T°. Relativement compact, un afficheur de taille et d'intensité parfaite, il est relativement facile à configurer à l'aide de la notice fournis. Il aurait été plus aisé d'avoir cette dernière en Français, mais même avec mon petit niveau en Anglais j'ai pu le paramétrer facilement. De plus il est équipé d'un système qui permet de clipser le cache de la façade, ce qui permet de l'intégrer facilement dans un petit boitier, un meuble ou n'importe quelle installation. Il est capable de contrôler autant une plage de froid (frigo, congélateur, tireuse à bière, ...), qu'une plage de chaud (couveuse, aquarium, ...). C'est le 1er paramètre à sélectionner dans le menu. Le mien est en place depuis presque 1 mois et fonctionne parfaitement. A voir la fiabilité dans le temps ...
November 15, 2017
Finally have been able to install my temperature controller. It works as advertised and nothing more. Understand that this does heating and cooling but only one at a time. So you have to set and reset to the heating or cooling mode to which it opens the thermo-coupler differently. In the cooling cycle it does give some delay to save the compressor if you use a fridge or freezer. I was prepared with different instructions but actually the enclosed ones were easy to follow as well. Just some basic knowledge of electricity is needed, nothing complex. In my case I just added the thermo-coupler to an outlet in which I add a freezer or heating device such as an old lamp. I just wish there was an easy case to build this in. Oh yeah, I have no idea what the orange brackets do and if they even come off as I would want. I assume these are to build the device into a case and to press against the back to keep it in.
November 10, 2017
Sur le schéma de la notice l'objet "LOAD" désigne la place de votre appareil. Par exemple pour moi c'était un frigo. Dans le schéma je remplace le mot "LOAD" par les mots "LA PRISE SECTEUR DE MON FRIGO". Le reste de la notice se comprend aisément par quiconque de vos voisins ou amis ou membres de votre famille ayant fait même un tout petit peu d'anglais. Bref j'ai réglé le thermostat défectueux de mon frigo à fond. J'ai scotché le nouveau contrôleur à l'extérieur sur la paroi du frigo et j'ai mis la sonde à mi-hauteur à l'intérieur en enfonçant légèrement la tôle pour laisser passer le fil de sonde sans géner le joint de porte. J'ai fait le montage et les réglages et "Nickel Chrôme" le frigo fonctionne mieux que jamais. Ce thermostat est de haute précision, de quoi garantir une hygiène irréprochable.
By John C.
November 8, 2017
Unlike some other very similar offerings here on amazon, this unit can only be set up to heat -or- cool. If you are looking for a solution to be able to do either on the fly without reconfiguration, this is not your item. (one is branded as "Elitech All Purpose Temperature Controller" 2-relay, but there are others). That other item is virtually the same price, the manual is in [better] english, and the contacts come labeled in english as well. Other than the single-relay and abysmal english, though, this isn't a bad purchase. (I even submitted part of the manual on this item to engrish dot com! it's that good!)
November 6, 2017
This is a nice little temperature controller for the price. It works great so far but I haven't really gotten around to checking the accuracy using another thermometer. The connector on mine came off as I was trying to wire it in but it was easy enough to solder back on myself. I contacted Docooler about this and they were prepared to send me a replacement if I couldn't fix it myself. Luckily my soldering skills have not diminished since I got out of college, so that was a pretty simple fix. Once wired up, it took a little while to figure out how to set it up but eventually I figured it out. I have it cooling my keezer now and I didn't have to spend $60 on one of those ready to use temperature controllers at the homebrew stores.
November 2, 2017
Bought this for use in my fermenting refrigerator. Search google for wiring instructions, there are better ones out there than what's provided with the controller. It's rather simple to wire up and get working and so far it's made the single biggest difference in my beer brewing. I'm VERY happy with this cheapo solution. There are a couple of things to note: 1. This is a single stage, meaning it can only turn on one outlet. So in brewing, it's for turning the fridge/freezer on. If you need to regulate the temp even closer, you'll have to get the STC1000 which displays in Celsius only, but can also turn on a lightbulb or something to heat when it gets too cold. This obviously gives you much more precise control. I live in Florida where I only need it to cool, so I'm good there. 2. There's a 5 or so degree window in it's accuracy. In other words, if you want it to operate at 65 degrees, it won't kick on until it gets to 68, then it will cool down to 63 before turning off again. No big deal for most, but again, if you demand absolute accuracy.... Overall and for the price, I'm very pleased.
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