Inkbird Digital Temperature Controller (WiFi Enabled)

Inkbird Digital Temperature Controller (WiFi Enabled)

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With the WiFi enabled Inkbird controller you can monitor your fermentation temperature from virtually anywhere with an internet connection. Adjust settings with your mobile device and receive push notifications from the free companion app, InkbirdSmart, available for both iOS and Android. The app also collects data from the controller and displays the information as a daily graph of your fermentation's temperature activity.

Please note the controller will only work with 2.4 GHz WiFi routers.

The Inkbird dual stage temperature controller is an easy to use and economical controller that is perfect for home brewing. Inkbird controllers allow you to control both heating and cooling, and set independent differentials for each to keep the exact temperature you need.

The Inkbird ITC-308 WiFi controller performs many of the same functions as the Ranco or Johnson but at a more affordable price, making it a great alternative for temperature control.  Aside from brewing uses, this is a great dual relay output temperature controller for cooking (use in a smoker or BBQ), home growing (heat mats for seedlings, climate control), or any other DIY project you come up with!


  • WiFi Enabled - requires 2.4 GHz router
  • Free companion app available for iOS and Android devices
  • Simple plug and play design with user friendly LED interface
  • Dual stage ITC-308 - control both heating and cooling
  • Adjustable Heating/Cooling differential
  • 1000W max power
  • Celsius or Fahrenheit
  • High and low temperature and sensor fault alarms
  • Can control temperatures of -58° F through 210° F (-50° C - 99° C)
  • Body Dimensions: 5.5 in x 2.7 in x 1.3 in
  • Power Cord - 4.5 ft.
  • Temp Probe Cord - 6 ft.
Item # FE644
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 0.97 LBS

Community Q&A

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Browse 3 questions Browse 3 questions and 14 answers
Why did you choose this?
MoreFlavor Store
Fermentation Temperature control
Blake Umphress on Jan 6, 2023
Well I got a viking commercial fridge and need to control my wort inside some how!
Scottie T on Jul 11, 2022
Fermentation Temperature control
Blake Umphress on Jan 6, 2023
Internet reviews
Larry E on Nov 28, 2022
Well I got a viking commercial fridge and need to control my wort inside some how!
Scottie T on Jul 11, 2022
Good reviews
Pete Galusha on Jul 11, 2022
Want to be able to make changes to temp controller from my phone.
Nathan Nicholson on Jun 29, 2022
Want temperature control with fermzilla
John W on May 14, 2022
Buddy uses it, CH from HB4L swears by it
Austin L on Apr 30, 2022
To use it
Rodney E on Apr 30, 2022
Need to control fermentation
Michael S on Mar 21, 2022
I like graphed data and apps
Roy W on Feb 14, 2022
Replacement for old Johnson controller
scott o on Jan 22, 2022
Carlos Jimenez R on Dec 22, 2021
monitor fermentation temp
Logan R on Nov 20, 2021
Got a fridge for lagers and need to control it a little better than the blasted temp controller on this thing.
Eric Steadle on Oct 21, 2021
to control my fermentation
WILLIAM H on Oct 20, 2021
Temperature control fermenting
Vincent K on Sep 3, 2021
Currently using Beverage Factory brand and temperature accuracy has become suspect.
Michael S on Jul 23, 2021
temp control fridge
Tom K on Jul 3, 2021
Easy to use
Gregory J K on Jun 28, 2021
excellent for control temperature
Raymundo H on Jun 16, 2021
Chest freezer temp control
Jacob W on Jun 15, 2021
Setting up fermentation temp control
D. Francis on Jun 3, 2021
I purchased this based on reviews and price point.
Peter M on May 28, 2021
Better temp control. Start to make lagers.
Ryan E on May 26, 2021
Fermentation temp control
James K on Mar 3, 2021
Going to use to setup my fermentation chamber.
Brennan L on Feb 18, 2021
This is a Christmas gift for my husband and enjoys shopping here.
Deborah S on Dec 12, 2020
Because I wanted to see how much i would actually monitor and follow through with cooling before i built a Custom system.
Timothy B S on Nov 7, 2020
Total fermentation control
SHAWN ROSS T on Sep 18, 2020
good reviews/recommendations from other brewers
David G on Sep 8, 2020
Easy and good reviews
Steve r on Jul 7, 2020
To control fermentation temp in order to lager
David H on Jul 4, 2020
For the wifi, replacing the standard version
Steve D on Jul 4, 2020
glycol chiller temp control
Pete T on Jul 3, 2020
Adding fermentation temperature control, the wifi will make it easy to monitor
Philip Mistretta on Jun 20, 2020
product uses
Mike J on Jun 9, 2020
Fast shipping
Michael e on Apr 18, 2020
Good reviews.
John B on Apr 7, 2020
value, features
Adam Thomas on Mar 28, 2020
Kenneth J on Mar 17, 2020
Remote adjustment
Scott H on Feb 29, 2020
Turning my new chest freezer into a temperature controlled fermentation chamber.
Edward John H on Feb 22, 2020
Need the ability to raise fermentation temp in cool basement
Greg Hornsby on Feb 11, 2020
Recommendation from friend and employee at stire
Brian W on Feb 4, 2020
Dual control; Replace Johnson controls unit
Mark F on Feb 4, 2020
Monitor temps while not home. Hopefully I can adjust too
Jamey J on Jan 11, 2020
Replacing single stage controller
Ronald S on Jan 1, 2020
want to brew in my spare fridge in a more controlled environment
Derek Peoples on Oct 29, 2019
Need Remote monitoring and control of my temps for fermentation and lagering. Already have a Sonoff Temp controller, but the Inkbird is a bit more sophisticated and doesn't require any assembly like the Sonoff. Glad you had it on the daily deal, thank you!
Sean J on Oct 23, 2019
Internet reviews
Larry E on Nov 28, 2022
Good reviews
Pete Galusha on Jul 11, 2022
Does this device save settings in the event of a power outage? If it doesn't, then the temperature environment could be compromised when the power comes back on. We have a standby house generator but in the event of a power outage, the generator still takes about 7 seconds to kick in and restore power. A small UPS would solve this issue but I don't want to spend the money on one if I don't have to.
Moe Maldonado on Jan 31, 2021
BEST ANSWER: I have two of these wifi controllers (one on my conical fermenter with heating & cooling, the other on my keezer).
I can confirm that if the power is disconnected, the previous settings remain in effect when the power is restored. The controllers also automatically reestablish connection with my wifi network. They work well.
For use with a chest freezer as fermentation chamber, which outlet (heating or cooling) does the freezer plug into? Currently our ambient temps range from mid 40s to upper 70s. Thanks!
Pete on Mar 29, 2020
BEST ANSWER: You would plug the freezer into the “cooling” socket. The heating socket would be used in conjunction with something like fermwrap they sell here in Morebeer or a fish tank heater to dial in those temps even more.
Can it be used for 220v?
Agusin Straumann on Mar 24, 2021
BEST ANSWER: No. This unit is designed to work with 120v electricity. Any more than that and you risk overloading the relays inside the unit and burning out the computer or worse.

4.3 / 5.0
18 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Rated 2 out of 5
works but wifi is useless now
The controller works great but the wifi is useless now because they killed the old app and made a new one that demands to know your location at all times.
May 2, 2023
Rated 5 out of 5
Temp control for ferm freezer
Works great. Paired it with a ferm wrap in my chest freezer for ferm temp control.
Perfect for my ferm freezer
Perfect for my ferm freezer
January 26, 2023
1 year ago
Rated 5 out of 5
Great tool and great price
Works great. I can now leave the brewery and watch for my water strike temp to arrive
December 22, 2022
1 year ago
Rated 5 out of 5
Yes to use and like to check my phone or table to see what temp it’s at
October 6, 2022
1 year ago
Rated 3 out of 5
Tough to connect but works well
Works great but linking it up to the phone took a lot of effort. It is not a simple process to connect. I would recommend but be prepared for an effort to connect versus normal devices connecting
April 17, 2022
over 2 years ago
Rated 5 out of 5
App works great!
Very easy to connect to WiFi and to watch the temp from far away. Highly recommended.
June 4, 2021
over 3 years ago
Rated 5 out of 5
Does what it's supposed to
Hooked up to my chest freezer / fermentation chamber and two heating pads, it does the trick. Very happy with the wi-fi so that I can set and monitor temperature remotely, as well as the historic temperature graph - very useful!
January 21, 2021
over 3 years ago
Rated 5 out of 5
Worked Like A Charm
Loved the ability to check the temperature remotely and make sure it was working. Worked like a charm!
December 24, 2020
over 3 years ago
Rated 5 out of 5
Works good, I haven't tried to connect to wifi yet. I don't think I really need to after setting it up. The instructions can get a bit confusing, all you need to know is what the acronyms stand for which are in the middle of the instruction booklet. Connected to a chest freezer and I see about 2-3 degree temperature swings when the freezer turns on but thats about it.
November 12, 2020
over 3 years ago
Rated 5 out of 5
Temp Control for a small refrigerator
I used this controller on a small refrigerator that I purchased to handle the fermentation of a white wine where I wanted to control the temperature at around 56F. The frig is just big enough to hold a six gallon bucket with an air lock.

I taped the temperature probe to the side of the bucket and placed the controller on a wall next to the refrigerator. The setup worked very well. Temperature has been staying in a 55-58F range.

Also very much like the WiFi feature. Only about $10 more to added this connectivity and it was good to be able to monitor and adjust the temperature when I has away from home.

I have not used the heating function yet. Would purchase again if I expand my wine making hobby.
August 31, 2020
over 3 years ago