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Inkbird Digital Temperature Controller

Inkbird Digital Temperature Controller

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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 Ink bird ITC-308S 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!


  • 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
Item # FE640
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 1LBS
Community Q&A

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Why did you choose this?
MoreFlavor Store
Purchased so I will be able to control the temp of my freezer to 50 degrees to brew lagers.
APRIL N on Jan 18, 2019
to control my heater
Jonathan B on Dec 27, 2018
Purchased so I will be able to control the temp of my freezer to 50 degrees to brew lagers.
APRIL N on Jan 18, 2019
budget friendly and looks like a quality product to get the job done.
Michael N on Dec 29, 2018
to control my heater
Jonathan B on Dec 27, 2018
Travis S on Dec 24, 2018
Great reviews and decent price.
Michael M on Dec 13, 2018
My son-in-law wants it for Christmas
Virginia S on Dec 1, 2018
wanted simple easy to use controler
rocke f on Nov 28, 2018
Christmas present for son, chosen by him.
Marilyn S on Nov 27, 2018
I need it. I have an outdoor shed for my beer making but the temp differentials are huge.
Michael D. M on Nov 24, 2018
The dual stage control and plug and play ease.
Mukunda-Krishna T on Nov 17, 2018
Simple, effective, well rated
Mel I on Nov 17, 2018
Wanted temperature control of fermentation
Harry A on Nov 17, 2018
fits my needs
Kevin L on Nov 17, 2018
Better quality control
Gary on Nov 17, 2018
Good value.Reliable
sean r on Nov 17, 2018
Ron B on Oct 17, 2018
Building a keezer, need for temp control
Richard D. A on Oct 11, 2018
Building a fermentation chamber.
David F on Sep 28, 2018
Control kegerator and fermentation temperature
Kenneth C on Sep 24, 2018
Fernando A on Sep 22, 2018
control temp on sparge wayer
harry p on Sep 17, 2018
Recommended by others for making a fermentation chamber.
Bruce K on Sep 10, 2018
Great price and functionality
Timothy Holschbach on Aug 2, 2018
Fermentation chamber must-have
Drew S on Jul 20, 2018
Fits the needs
Bruce Andrey on Jul 10, 2018
One of the best prices I've seen for this product
Matt B on Jul 10, 2018
Want to control temp
Andrew C on Jul 6, 2018
Setting up a ferm chamber.
Alex Perkins on Jun 26, 2018
Ability heat and cool, price point
John M on Jun 13, 2018
Best affordable option available.
Kevin M on Jun 8, 2018
To improve fermentation control
Christopher K on Jun 5, 2018
To convert freezer to fermenting chamber
James K on May 28, 2018
Customer ratings
Steve B on May 28, 2018
Got it before and it works great - I'm using this on a second fridge
William W on May 11, 2018
I currently have one and I like it.
Chris P on May 9, 2018
great value
Jason A. W on May 2, 2018
Have one already, doing up a fermentation chamber looking for another
Tom F on May 1, 2018
It should control my freezer good
Karl M on Apr 14, 2018
to control temperature on the lager
Cory R on Apr 10, 2018
To make lager beers and better fermentation control
Brian E on Apr 4, 2018
Dual stage temp ctrl at great price
Steve J on Mar 26, 2018
kegerator t-stat problems
Drew R on Mar 16, 2018
To have better control of fermenting.
Roger R on Mar 16, 2018
controlling temperture on my fementation chambers
keep carboy warm,
George H on Mar 16, 2018
Great price and its digital
Alexander P on Mar 7, 2018
positive reviews
Jonathan n on Mar 3, 2018
Price Point
Robert G on Mar 1, 2018
Emily recomended
John W on Feb 28, 2018
And this is self-explanatory it keeps my beer accurately at the temperature that
mathew J k on Feb 28, 2018
budget friendly and looks like a quality product to get the job done.
Michael N on Dec 29, 2018
Travis S on Dec 24, 2018

4.9 / 5.0
23 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Plug and play, easy to use, not hardly!!
Instructions confusing and poorly written. Had to read thru them numerous times and then trial and error to finally figure it out. Once you do get the hang of it, it works well and does the job.
December 29, 2018
1 month ago
Amazing controller for the money
I read 1000 reviews for this on Amazon, home brew sites and on here. Great controller! I haven’t used the Johnson to compare, but this controller is plug and play. Accurate temp readings, alarm, adjustable temp points, no jumpers to mess with.
December 2, 2018
2 months ago
Works as expected
I use this temperature controller for my keezer. Works as described and is a great value for the price.
October 17, 2018
3 months ago
Best affordable temp control. I don’t currently use the heating functionl but handy to have both on a single controller.
September 7, 2018
5 months ago
Can't lose
Own two and never a problem.
September 6, 2018
1 year ago
Great TC!
Easy plug and play operation, love having the internal carboy temperature readily visible during fermentation. Hands down the best and easiest TC for the money.
July 16, 2018
6 months ago
So far so good
This temp. controller works just like it is supposed to. The price isn't bad either. It worked good through all my trials and my first batch is in the fermentation chamber right now.
May 15, 2018
8 months ago
Chill Out
This thing works great! At one point I thought it was junk because it wouldn't turn on my freezer.....until I realized that I had it plugged into the heat plug instead of the cool.
I would definitly recommend this.
April 22, 2018
9 months ago
Bang for the buck
Wish MoreBeer sold these sooner. I have two other brands that cost more, but you have to choose between heating and cooling. Models that did both were even more expensive. This Inkbird unit provides accurate temperature control for both at a more affordable price.
April 15, 2018
good deal
Once you figure it out very nice.Accurate control easy to regulate
April 3, 2018
12 months ago