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Inkbird ITC-308 Digital Temperature Controller Outlet Thermostat Plug, 2-Stage Outlet Heating and Cooling Mode 1100w, w/Sensor Greenhouse Incubator Brewing Fermentation Reptile

4.6 out of 5 stars 3,480 ratings
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Purchase options and add-ons

Brand Inkbird
Product Dimensions 19D x 8.7W x 10.5H Centimetres
Controller type Push Button
Special feature Fan Control
Colour Grey
Specific uses for product Air Conditioner
Temperature Control Type Digital Heating and Cooling
Connectivity technology Wi-Fi
Included components 1x ITC-308 temperature controller
Power source Corded Electric

About this item

  • [Dual Relay Output]: Heating/Cooling differential function could be set separately for refrigeration and heating to protect temperature controller from violent change
  • [Dual Display Window]: Be able to display measured temperature and set temperature at the same time.It can control heater and chiller together
  • [Plug-n-Play Thermostat Reading]: Supports Centigrade and Fahrenheit switching,programable,easy to use
  • [Alarm]: When Over-temperature and sensor fault, out of High and low temperature set value,it will alarm
  • [Multipurpose]: Max Current:10A.Can be used for homebrewing,greenhouse,meat/cheese making,reptile and so on

Product details

  • Is discontinued by manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 3.05 x 6.6 x 17.02 cm; 350 g
  • Date First Available ‏ : ‎ Aug. 17 2015
  • Manufacturer ‏ : ‎ Inkbird Tech
  • Place of Business ‏ : ‎ Shenzhen, Guangdong 518000,CN
  • ASIN ‏ : ‎ B011296704
  • Item model number ‏ : ‎ ITC-308
  • 鶹 Rank: #409 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Customer Reviews:
    4.6 out of 5 stars 3,480 ratings

Frequently bought together

This item: Inkbird ITC-308 Digital Temperature Controller Outlet Thermostat Plug, 2-Stage Outlet Heating and Cooling Mode 1100w, w/Sensor Greenhouse Incubator Brewing Fermentation Reptile
$49.50
Get it by Monday, Aug 4
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Sold by Lerway CA and ships from 鶹 Fulfillment.
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$31.19($27.36/100 g)
Get it by Monday, Aug 4
In Stock
Sold by Express Health Supply and ships from 鶹 Fulfillment.
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Product Description

inkbird thermostat with high low temp alarm to control the heating mat fridge hydronic radiator

Inkbird Digital Thermostat with Temperature Sensor to Control the Heating Cooling Devices ON OFF, Temp Alarm 1100W 10A

Home Brewing Beer Fermentating Temperature Controller Dual Relays Outlet Plug and Play, Reptile Incubator Temp Control

  • Dual relays output which supports control heating and cooling devices ON/OFF automatically at the same time.
  • Plug and play,easy to program.The thermostat will save all settings even it was power outage.
  • Compressor delay protection,avoiding frequent on or off of the refrigerator.
  • Widely be used in indoor grow room,beer fermentation chamber,kegerator,wine homebrew,heater and fan,vegetable tent,gardern plants, snake rack, reptile incubator,curing meat and so on to maintain a stable temperature environment.

Working Principle:

  • eg.Set TS=28 ,CD=2,HD=1,then
  • when measured temp is ≥ to 30(TS+CD),system enters refrigeration status;when temp decline to 28 (TS), stop refrigeration.
  • when measured temperature is ≤ to 27(TS- HD)system enters heating status;when temp decline to 28 (TS),stop heating.
  • And the environment will be kept within 27-30 degrees.
  • If you want it alarm at 20 degree,please set AL=20

Package Content

  • 1*ITC-308 Thermostat with Temperature Senor
  • 1*Manual
  • 1*Card
Temperature Range -50~120°C/-58~248°F; Probe waterproof rating: IP68; Temp Accuracy: ±1°C (-50~70°C) / ±2°F (-58~160°F)
Function High and low temperature alarm; Sensor fault alarm; Temperature Calibration
Easy to use Programmable, control heater and cooler ON or OFF automatically; Easy to set up; Display the measuring and set temp at the same time distantly.
Mutiple usage The ITC-308 thermostat usually be used for home brewing, sous vide, chest freezer, slow cooker, greenhouse, Hedgehog habitat, electric heater, etc. to keep in the constantly temperature range.
Power Input Power: 100 ~240VAC, 50Hz/60Hz; Temperature Control Output: Max. 10A, 100V ~240V AC
Temperature Controller
digital thermostat homebrewer sous vide control grow room plant to keep a stable temp environment
ITC-308 WIFI Thermostat
ITC-306T Heater Thermostat
ITC-308S Aquarium Temperature Controller
ITC-608T Temperature and Humidity Controller
Thermostat ITC-308+IHC-200 Humidistat Combination
Kombucha Heat Pad
Customer Reviews
4.5 out of 5 stars 528
4.2 out of 5 stars 454
4.2 out of 5 stars 117
4.6 out of 5 stars 983
4.1 out of 5 stars 25
Temp/Humidity Range -40100°/-40212° -5099°/-58210° -40100°/-40212° ձ𳾱:-40°100°/-40°212°;ܳ徱ٲ:599% ձ𳾱:-50120°/-58248°;ܳ徱ٲ:599% 122℉/50℃
Alarm High and low Temp Alarm no data High and low Temperature Alarm High/low Temp/Humidity Alarm High and low Temperature / Humidity Alarm no data
Senor Temperature Sensor Temperature Probe Aquarium Temp Sensor Tempertuare and humidity porbe Humidity and temp sensor no data
Timer 24 Hours Timer Day and night Timer no data 12 Periods Timer Function. no data no data
Others WIFI Connection Only control heaters Be designed for salt water tank. Supports control temperature and humidity devices at the same time or separately. no data no data

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Customer reviews

4.6 out of 5 stars
3,480 global ratings

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Customers say

Customers like the functionality, ease of use, and temperature control of the thermostat. They mention it works well, is easy to program, and has great videos online on how to use it. Customers also appreciate the quality, accuracy, and versatility of the product. However, some customers have mixed opinions on the display.

344 customers mention "Functionality"327 positive17 negative

Customers like the functionality of the product. They mention it works well if the probe is not submerged under water for any length of time.

"...Works great! In order for this to work I had to program the unit as if I was using it to control a heating pad...." Read more

"Great product Works very well. clean waterproof design . (.Instructions are crap.) yes I would purchase again...." Read more

"...Otherwise it works great" Read more

"...Actual setpoint is set slightly below freezing. Works well." Read more

142 customers mention "Ease of use"119 positive23 negative

Customers find the product easy to use. They mention it's pretty easy to program after reading the short instruction manual. They also say there are many great videos online on how to use it.

"Ink bird makes some great products, and this is one of them. Easy to use, durable, reliable" Read more

"...Simple and easy to use, take a look on YouTube for a video example: it will take you 2-3 minutes to set this up to do whatever it is you need...." Read more

"This temperature controller is a game-changer! It’s easy to set up and works perfectly for controlling temperature in my reptile tank...." Read more

"...Nice length of sensor line. Easy to program, and bright numerals." Read more

113 customers mention "Temperature control"97 positive16 negative

Customers like the temperature control of the product. They mention it maintains a temperature for both cooling and heating, keeps the water above freezing, and the dual heating and cooling modes are perfect for controlling both ends of the spectrum. Customers also appreciate the option to set a maximum and minimum temperature. They also mention the low temp alarm works if you wanna use it to get up when the temperature is low.

"...Support reading with Centigrade or Fahrenheit unit; Maximum output load: 1000W(110V)/2000W(220V);..." Read more

"...I now find it very easy to make adjustments and it keeps the water temperature between -1 and +1 of my setting. Works great!" Read more

"...Also great for use with storing in cold rooms to either make a charcuterie room with their sister humidifier controller, or use alone to make a..." Read more

"...The dual heating and cooling modes are perfect for controlling both ends of the spectrum...." Read more

50 customers mention "Quality"45 positive5 negative

Customers are satisfied with the quality of the product. They mention it's a reliable unit, durable, and perfect for storing lagers.

"Perfect!!" Read more

"Good quality, value and functions as advertised" Read more

&ܴdz;...’s reliable and has helped me maintain precise temperature control. Highly recommend this product for anyone needing temperature regulation!" Read more

"Works well and is accurate. Quality product. I am using it in a small chicken coop to keep the temperature from getting too cold in winter...." Read more

33 customers mention "Accuracy"27 positive6 negative

Customers like the accuracy of the thermostat. They mention it's well calibrated at the factory, has precise enough settings to suit just about any task, and is easy to setup and use.

"...The controller has kept both aquarium temperatures stable and accurate...." Read more

"Accurate Great value" Read more

"This device works great. Thermostat appears to have good accuracy, and heating & cooling clicks on the appropriate ranges...." Read more

"...sensing, reacts quickly to temperature changes, and has precise enough settings to suit just about any task...." Read more

26 customers mention "Versatility"26 positive0 negative

Customers like the versatility of the product. They mention it's a great device for sous vide kitchen experiments, perfect for a homebrew system on a fridge/freezer, and excellent for a meat curing chamber.

"This temperature controller works great. Can be used for home brewing; we just use it to precisely dial in an old fridge for food storage." Read more

"it works exactly as advertised. Perfect for a homebrew system on a fridge/freezer for perfect lagers." Read more

"...The controllers are easy to set up, with many options available...." Read more

"Made diy incubator. In 1 of the snake tanks and Small diy green house for heater" Read more

15 customers mention "Control"15 positive0 negative

Customers like the control of the product. They mention it's a good control device, great for controlling beer fermentation temperatures, and has valuable usable features. Some say it has complete control over every aspect and can even control when the heater turns on.

"Received quickly, this is my 2nd unit. Better control for better beer. Thanks" Read more

"It is overall a good control device. Some times I have to recalibrate it. But recalibration is easy." Read more

"...It has temp alarms and other valuable usable features 😃...&ܴdz; Read more

"...It keeps the temperature of the tank PERFECT. You have complete control over every aspect and can even control when it turns the heater on down to..." Read more

11 customers mention "Display"7 positive4 negative

Customers have mixed opinions about the display of the product. Some mention it's easy to see and read except in high sunlight. However, others say the letters don't display properly and some are not legible. They also mention the display allows easy compensation to read accurately.

"...it was reading exactly 1.0°C high, but the unit allows easy compensation to read accurately...." Read more

"My only complaint is that it is impossible to read the display in daylight...." Read more

"Clear display, nice clean design, simple operation. The controller also runs cool...." Read more

"...Nice length of sensor line. Easy to program, and bright numerals." Read more

It works good and even it appears a modernized looking.
5 out of 5 stars
It works good and even it appears a modernized looking.
It is fully functioning since I've modified a beer keg chiller in my restaurant by myself a week ago. Due to its unavailability of the original thermostat, I just removed it and then put this external device. Now my beer keg chiller became like a modernized machine with its digital temperature gauge.
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Top reviews from Canada

  • Reviewed in Canada on November 2, 2023
    Verified Purchase
    I've been on the hunt for a simple IFTTT controllable 10A outlet with a built-in temperature sensor, that is able to send threshold alarms and enable / disable the outlet.

    I have not found a solution for anywhere near the price of this unit.

    Simple and easy to use, take a look on YouTube for a video example: it will take you 2-3 minutes to set this up to do whatever it is you need.

    In my case, I built a highly insulated shed that needs a 500W heater turned on 1-4 times per day (based on the outdoor temperature / overall heatloss!) for 1 hour to keep the contents above 8°C. This little unit works perfectly!

    The unit did need temperature calibration out of the box, it was reading exactly 1.0°C high, but the unit allows easy compensation to read accurately. The thermocouple does have quite a bit of thermal mass bonded to it, in my use case that's fine: I want the mass of the sensor to lag the actual air temperature by a few seconds / minutes to help average out the indoor space temp.

    Overall 10/10: perfect little heating controller for light loads; I would not personally run a heating load all the way up to 10A on this unit, it just doesn't have the mass to support such a claim. I'm sure it can _technically_ do 10A for short periods, but to prevent any risks or issues, I'd absolutely keep the load under 6-7A resistive loads max. If you're trying to run a (not remotely rated for!) 120VAC 1.5kW heater on this thing: you're going to melt it for sure.
    6 people found this helpful
    Report
  • Reviewed in Canada on December 19, 2024
    Verified Purchase
    This temperature controller is a game-changer! It’s easy to set up and works perfectly for controlling temperature in my reptile tank. The dual heating and cooling modes are perfect for controlling both ends of the spectrum. It’s reliable and has helped me maintain precise temperature control. Highly recommend this product for anyone needing temperature regulation!
  • Reviewed in Canada on March 31, 2025
    Verified Purchase
    Love this thing !!
    My son bought a used red bull mini fridge - the guy that had it before had blown the control board - so I needed a temp controller with sensor and something to trigger the compressor … and this does the trick perfectly at a really cheap price !!

    I disassembled the outlet dongle and stripped the wires - redid all necessary connections - this thing rocks. It’s small enough that I was able to fit it back into the original connection box. Set temp at 3.5C with a cooling diff of 1.1C and a compressor delay of 7min.

    Do note that if you set a compressor timeout value - upon plugging in the unit - it’ll count down the default value BEFORE triggering the compressor. That threw me off as I wasn’t getting any voltage until I figured it out.

    Don’t think we could’ve repaired the board and in any case it would’ve been extremely expensive assuming we could’ve found the necessary components …
    2 people found this helpful
    Report
  • Reviewed in Canada on June 13, 2025
    Verified Purchase
    Clear display, nice clean design, simple operation. The controller also runs cool. A few negatives as follows: 1) the unit makes a slight buzzing sound. One cause may be that the internal switch-mode supply low voltage supply may be pulse skipping (for high efficiency), causing an audible frequency to be present. The sound is not loud (did not notice it at first), but noticeable at close range, especially when the unit is mounted on a small piece of plywood, amplifying the sound slightly. 2) The temperature reading tends to jump around a bit more than I would expect. For both of these reasons I'm giving it 4 stars instead of 5. Having said that, it does the job.
  • Reviewed in Canada on April 19, 2025
    Verified Purchase
    It is fully functioning since I've modified a beer keg chiller in my restaurant by myself a week ago. Due to its unavailability of the original thermostat, I just removed it and then put this external device. Now my beer keg chiller became like a modernized machine with its digital temperature gauge.
    Customer image
    5.0 out of 5 stars
    It works good and even it appears a modernized looking.

    Reviewed in Canada on April 19, 2025
    It is fully functioning since I've modified a beer keg chiller in my restaurant by myself a week ago. Due to its unavailability of the original thermostat, I just removed it and then put this external device. Now my beer keg chiller became like a modernized machine with its digital temperature gauge.
    Images in this review
    Customer imageCustomer image
  • Reviewed in Canada on June 14, 2025
    Verified Purchase
    Très bon controlleur
    Report
  • Reviewed in Canada on July 17, 2018
    Verified Purchase
    I ordered 2 of the Inkbird controllers to use on my reef aquariums.

    The controllers are solidly built.

    The controllers are easy to set up, with many options available.

    You have the option to set a maximum and minimum temperature which safeguards your aquariums from temps dropping below or going above acceptable limits.

    There is also an option for using this model with a chiller for those in very hot climates. It has two plugs, one for a chiller and one for a heater which is perfect for environments where both are required.

    The product has an alarm to signal you that the temperature within your aquarium has either dropped or risen above your set limits.

    This alarm works very well, I have had mine go off during a waterchange when my probe has come out of water and exposed to ambient temperature.

    The controller has kept both aquarium temperatures stable and accurate.

    My only complaint regarding the unit is that the probe is stainless steel rather than coated in a material that definitely will not rust with water exposure.

    Neither of my units have had their probes rust as of yet.

    I highly recommend this item and the price can't be beat!
    8 people found this helpful
    Report

Top reviews from other countries

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  • C.C
    5.0 out of 5 stars Meets Expectations and More!
    Reviewed in the United States on January 12, 2018
    Verified Purchase
    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.
  • Daniel Alejandro Hernandez Espejel
    5.0 out of 5 stars Excelente producto.
    Reviewed in Mexico on June 23, 2021
    Verified Purchase
    Fácil de usar, cumple con su función y es un excelente producto. Muy buena calidad. A parte cuenta con un año de garantía directamente con el fabricante.
    Customer image
    Daniel Alejandro Hernandez Espejel
    5.0 out of 5 stars
    Excelente producto.

    Reviewed in Mexico on June 23, 2021
    Fácil de usar, cumple con su función y es un excelente producto. Muy buena calidad. A parte cuenta con un año de garantía directamente con el fabricante.
    Images in this review
    Customer image
    Report
  • Woodland Dan
    5.0 out of 5 stars Works flawlessly and the price is right!
    Reviewed in the United States on July 26, 2016
    Verified Purchase
    I just received my Inkbird Itc-308 Digital Temperature Controller Outlet Thermostat and am already delighted!

    After my Vonshef water oven and my Gourmia immersion circulator pod started getting flaky, I bought the Inkbird ITC-308 and paired it with the Hamilton Beach 33155 5-Quart Portable Slow Cooker I had in the pantry as the sous vide rig.

    In my initial setup and test I find that the Inkbird works properly. I read enough of the PDF instructions to familiarize myself with the configuration operation and find this unit really easy to setup, referring to the straight-forward parameter chart with each step. I pressed the 'set' key for 3 seconds to enter the config menu, pressing the 'set' button to step through the parameters, adjusting each as needed using the 'up' & 'down' arrow keys. To save settings when I was satisfied I again pressed the 'set' key for 3 seconds, until the current and set temperatures were displayed. Done!

    I began with a setting of 140 degrees F (my most common sous vide cooking temp) on the Inkbird, and the crock set to high heat. I plugged in the crock pot to the 'Heat' receptacle of the Inkbird PID. The temp probe fit nicely through the vent hole in the lid of the crock (see photo). As soon as the crock pot reached 140, the heat light turned off and power to the crock was removed. The crock overshot by a degree and the cool indicator illuminated, so I turned down the crock to its Keep Warm setting and continued to monitor. I found that the crock now stays between 139 and 141 (see photo).

    This $38 Inkbird PID seems to do exactly what the $99 Dorkfood controller was intended to do, for a fraction of the price, and so far does so adequately and reliably for my purposes.
    Customer image
    Woodland Dan
    5.0 out of 5 stars
    Works flawlessly and the price is right!

    Reviewed in the United States on July 26, 2016
    I just received my Inkbird Itc-308 Digital Temperature Controller Outlet Thermostat and am already delighted!

    After my Vonshef water oven and my Gourmia immersion circulator pod started getting flaky, I bought the Inkbird ITC-308 and paired it with the Hamilton Beach 33155 5-Quart Portable Slow Cooker I had in the pantry as the sous vide rig.

    In my initial setup and test I find that the Inkbird works properly. I read enough of the PDF instructions to familiarize myself with the configuration operation and find this unit really easy to setup, referring to the straight-forward parameter chart with each step. I pressed the 'set' key for 3 seconds to enter the config menu, pressing the 'set' button to step through the parameters, adjusting each as needed using the 'up' & 'down' arrow keys. To save settings when I was satisfied I again pressed the 'set' key for 3 seconds, until the current and set temperatures were displayed. Done!

    I began with a setting of 140 degrees F (my most common sous vide cooking temp) on the Inkbird, and the crock set to high heat. I plugged in the crock pot to the 'Heat' receptacle of the Inkbird PID. The temp probe fit nicely through the vent hole in the lid of the crock (see photo). As soon as the crock pot reached 140, the heat light turned off and power to the crock was removed. The crock overshot by a degree and the cool indicator illuminated, so I turned down the crock to its Keep Warm setting and continued to monitor. I found that the crock now stays between 139 and 141 (see photo).

    This $38 Inkbird PID seems to do exactly what the $99 Dorkfood controller was intended to do, for a fraction of the price, and so far does so adequately and reliably for my purposes.
    Images in this review
    Customer imageCustomer image
  • Carlos T
    5.0 out of 5 stars Excelente control de temperatura para home brewing.
    Reviewed in Mexico on August 21, 2017
    Verified Purchase
    Excelente, necesitas un control de temperatura fácil de usar? Este es. Yo lo uso para home brewing y funciona de maravilla, fácil de programar, el termómetro es largo y lo puedes meter a la olla de agua caliente, muy útil para mashing. Puedes conectar fuentes de frío y calor al mismo tiempo así que es muy bueno para controlar la temperatura de fermentado (pienso comprar otro para eso). 鶹 prime excelente con un pago extrañen llego al día siguiente. Muy satisfecho con la compra.
    Customer image
    Carlos T
    5.0 out of 5 stars
    Excelente control de temperatura para home brewing.

    Reviewed in Mexico on August 21, 2017
    Excelente, necesitas un control de temperatura fácil de usar? Este es. Yo lo uso para home brewing y funciona de maravilla, fácil de programar, el termómetro es largo y lo puedes meter a la olla de agua caliente, muy útil para mashing. Puedes conectar fuentes de frío y calor al mismo tiempo así que es muy bueno para controlar la temperatura de fermentado (pienso comprar otro para eso). 鶹 prime excelente con un pago extrañen llego al día siguiente. Muy satisfecho con la compra.
    Images in this review
    Customer imageCustomer imageCustomer image
  • Bernardo Flores
    5.0 out of 5 stars Buen producto
    Reviewed in Mexico on October 5, 2022
    Verified Purchase
    Me ha servido mucho para controlar la temperatura de la fermentación de cerveza. Además, aunque siempre lo cuido, ha soportado agua, polvo y sol del exterior.