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Inkbird ITC-308 Digital Temperature Controller Outlet Thermostat 2-Stage 1100W with Sensor Reptile Beer Brewing Kegs Fridge Cured Meat Breeding Growing

  • Based on 3,262 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Monday, May 13
Order within 18 hours and 43 minutes
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Features

  • Plug and play design, easy to use
  • Dual relay output, be able to connect with refrigeration and heating equipment at the same time
  • Support reading with Centigrade or Fahrenheit unit
  • Maximum output load: 1100W(110V)
  • Dual display window, be able to display measured temperature and set temperature at the same time

Brand: Inkbird


Product Dimensions: 1.2"D x 2.6"W x 6.7"H


Controller Type: Hand Control


Special Feature: Programmable


Color: Green, White, Grey


Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 5.51 x 1.3 x 2.68 inches; 12.35 Ounces


Item model number ‏ : ‎ ITC-308


Date First Available ‏ : ‎ July 6, 2015


Manufacturer ‏ : ‎ Inkbird Tech


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, May 13

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Quality & easy to use: for microgreens, mushrooms, indoor grows & even pet hospice.
Size: 0.5 LB
Update 2: 2.5 yrs and still going strong. I see that it is a better deal, now, too! Update: 8 mo & going strong! I now have an emotional attachment to this product as it allowed me to keep my elderly, 19 yr old cat safely comfortable at home when she reached the end of her days & she could no longer maintain her body temperature without help. I was able to set this up for her & still get some sleep, & was able leave the house as needed with everything running, without the concern that unregulated devices would cause. Without it, I would have been strongly compelled to bring my cat in to put her down, & given how much she hates the vet that is the last that I would have wanted for her final hours. Instead, she was bedded down in a box so she felt safe, and this Inkbird kept her temperature in the best range. That allowed us to focus on other things, like her favorite sounds and scents, so we could surround her with all that extra goodness and love. I never expected to use the device this way, and now I'm forever grateful for it. She is missed terribly; the memories of how we were able to tend her and give her the most comfortable and peaceful ending are now our comfort in that grief. Thank you, Inkbird Tech. That cat grew up with my children, saw me through recovery from 3 major surgeries and was such a wonderful being and match for us in more ways that I can relate, here. She deserved this, you made it possible, and I hope that you read these reviews from time to time so that you see this, too. Thank you. Thank you. -------------------- Initial unedited review: This product has been in use for 4 months, to monitor and control the temperature for petri dishes, seed starting, and plant growth. It would be useful for those doing hydroponics, aquaponics, raising fungi, using a greenhouse, or heating and cooling a space for humans and/or pets. I've been very pleased with all applications that I have tried. The set-up for this product is amazingly easy. It will display in F or C, whichever you set. The desired temperature as well as the acceptable range are programmed as you like, so this is completely customized. The product has been reliably turning on and off the heating and cooling as needed, and has not allowed the temperature to get out of the set range that I programmed, ever. This is monitored with a different device, and it has been accurate. It has taken a while for it to gain my trust, as I am cautious with anything of this nature. First I turned over the controls while sleeping. Now I use this all the time, even if I leave the house. I do not allow a simple timer to do that with a heating device; since this one ensures a set range, that is safer. I also use a heater that also has it's own automatic shut-off. On it's own, my heater would go higher than the range that I required, though it would not continue up into an unsafe range (it could kill some plants, and dry things out). It is important to layer these safety features and use trustworthy appliances. The display on this device is simple and thoughtful. The bright LED display is large; I love the convenience of the display, as I can read it across the room. It is bright enough to be clearly visible in strong light or in darkness, and every light level in between. Sweet! (I wear corrective lenses, these put my vision into the normal range). It displays both the desired temperature that you set, and the temperature that is being read. It has been showing two digits and one decimal, as well as either the C or F units. The range on the label indicates -58 to 210 F / -50 to 99.9 C. I have not had the occasion to measure triple digit or negative temperatures so I cannot tell you how the display would behave in those conditions. This device has a devoted cord with a generous length (I'd estimate 5 feet, have not measured this). A second, short cord provides two clearly labeled, 3-prong outlets that allow you to plug in one heating device and one cooling device. It will function with devices that have only 2-prongs, and it will function whether you have attached devices, or not. Of course, without any devices it cannot alter the temperature, and so it would simply function as a thermometer. If you have set a temperature range under those conditions, you would hear it click to attempt to turn on a device, and it would continue to try to do so. I do not know if that would affect the life of the device, and so I recommend that if you decide to use it in this way that you set a large enough temperature range that it is not clicking. A person might decide to do that for the benefit of this display, that has better visibility than any thermometer that I have ever seen. The thermostat probe/sensor is on a slender cord that is several feet long (I haven't measured it- looks like 4 or 5 feet), and allows you to monitor temperature inside a closed container, while keeping the device outside of that container. It could monitor the temperature outside by running the sensor outside of a window or door (assuming that your weather-stripping will allow you to do this without damaging the cord). The display housing is molded, heavy-duty plastic, and can be hung up on a nail. The hole that allows you to do this is visible in the picture. It is thinner plastic, and extends along the back edge, so your nail does not need to be terribly long. The plastic with that hole does not swivel, and over time plastic can become brittle. If you want to be able to turn this while it is hung up, then you'll need to hang it onto something that will give you that option without undo pressure that could crack the plastic. The plug that is used to attach the heating and cooling devices also accommodates being hung up onto a nail. The buttons used to set the device are sealed under the label, so moisture and particulates cannot get in there. The entire housing is well protected that way (if you are considering outdoor use, you'd best look into whether that is recommended. I use this inside). The plastic is quite smooth. When you push a button there is an audible click for feedback that you have done so. Buttons need to be held down for a few seconds. Because of that, it is unlikely that any accidental pressing would initiate any program changes. Accessibility: The buttons are widely spaced; those with large fingers will have no problem. You do need to be able to hold down the buttons for a few seconds. It doesn't take much strength to do that; it does take a degree of steadiness. It is easy to operate this with one hand, by cradling it in the fingers and using the thumb on that same hand for the controls. If that isn't workable, yet you could hold it and use the opposite elbow, that definitely works. (Yes, I tried it!). It wouldn't be entirely impossible to set this up without being able to hold it, and if that is something that you need to do then you would need to consider how you will secure this device into position while you are doing so. The molded hole for hanging this up would not hold up to that sort of treatment, and all of the cords are dedicated (not removable) so those need to be accommodated in the arrangement. If this can be set up and you do not need to change it for your own purposes, then it can be set and just left. It has not timed out, required a re-set or anything like that. Those with low vision may find that this display is quite workable for them. The large size, great contrast and brightness are all in favor of that. There may be those who are able to take the readings just fine, though require help to set this up, as reading the directions and the labels on the outlets for the appliances could be difficult or unworkable with limited vision. Once set up, this can be left alone unless you are going to require changes. If visual issues are a concern, then be sure to check the current return policy, just in case, and know that if you have some vision then there is a good chance of this working out. More technical stuff: Input and output are labeled the same: 100 - 265 VAC, 50 Hz - 60 Hz. Current: 10A max. CE, FC, ROHS. I paid full retail price for this product, and have no interest, relationship, blog, or profit in the sale of this item. I'm a happy customer, period. I hope that this review is helpful to you as you're making your decisions. Enjoy your shopping! ... show more
Reviewed in the United States on November 17, 2016 by Purgandi Dracointerfectorem

  • Works great for greenhouse heater
Size: 0.5 LB
Works great to control heater in greenhouse, maintaining temp exactly as set. Greenhouse is toward back of 1 acre property so wifi signal is weak but even with one bar, able to view and control settings via the app. Best of all my wife is very happy with it. Very satisfied.
Reviewed in the United States on December 31, 2023 by Ann Radcliffe

  • Works accurately
Size: 0.5 LB
This thing is awesome. Works accurately! Very precise, Very important to help monitor your Vapor Pressure Deficit...
Reviewed in the United States on December 31, 2023 by Works accurately

  • Very good for the price, 1 small issue
Size: 0.5 LB
This would have been a five star it works very well at keeping our fridgeadaire freezer at refrigerator temperature however it will drop multiple degrees below the set temperature then rise up multiple minutes later which could cause complications for some who need an exact steady temperature but other than that it is an amazing product. ... show more
Reviewed in the United States on July 25, 2023 by Matthew

  • Meets Expectations and More!
Size: 0.5 LB
I am very pleased with the performance of this Digital Temperature Controller. In fact I bought two of them. I have used it to control the temperature of Kombucha, Spirulina, and several other items. It can control 1200 watts at 110 Volts. That means you can plug a standard chest freezer or refrigerator into the device and control its temperature to be something other than normal appliance operating temps. I have also used this to sound an alarm when cooking temperatures get to a specific number. Works great when trying to optimize Sulforaphane in broccoli! After you get used to setting the unit, it becomes easy to do. Just hold the set button for 3 seconds to get into the programming mode. Then scroll through the options. When done, hold the set button for another 3 seconds to lock in the program. No need to scroll through all the options. The main function you might use would be the TS which is Temperature set value. HD and CD which is how many degrees difference you want to allow between the set value and the actual value. (Usually only a degree or two) You will also want to set AH and AL which will activate an alarm if your temperature gets too high or low. There is a helpful indicator light that will show you if the unit is in heating or cooling mode. When in heating mode the unit will apply current to the 120 V “heat connector”. When in cooling mode the “Cooling” connector will be energized. The connectors are standard 120 V receptacles. My experience is, this unit is very reliable and keeps the temperature of your project very close to the temperature you set. I would not hesitate to buy it again or recommend it to a friend. In fact, I did recommend it to a friend. He wanted an alarm to sound when his deep freezer fails to keep his frozen items at the desired temperature! Works great for him, he loves it too! I have no conflict of interest in writing this review. I am just a happy customer and I am happy to report that I was able to resolve a minor issue with the seller and found them to be very supportive and professional. ... show more
Reviewed in the United States on January 12, 2018 by C.C

  • Works great
Size: 0.5 LB
Works great, better than the ones that you buy at your brewery supply store.
Reviewed in the United States on January 5, 2024 by Blkhwk

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