
The Inkbird ITC-308 is a pre-wired, plug-and-play temperature controller that switches a heater and a cooler on and off to hold your fermenter at the temperature you set. It is one of Inkbird's best-selling controllers and a popular choice for home brewers.
Key features
- Dual relay output - connect heating and cooling at the same time
- Separate heating and cooling differentials
- Compressor delay to protect fridges and freezers from short cycling
- Twin displays show current and set temperature
- High and low temperature alarms, plus sensor fault warning
- Temperature calibration and °C/°F switching
Specs
- Control range: -50 to 120°C
- Resolution: 0.1°C (below 100°C)
- Accuracy: ±1°C
- Relay output: 10A; up to 2200W at 220V (UK/EU versions)
- Probe: NTC sensor, IP68 waterproof (the controller body is not waterproof)
How to use
Tape the probe to the side of your fermenter under some insulation, plug your heater and fridge into the matching sockets, then set your target temperature and differentials.
Complete the set
- Better Brew Heat Belt - a simple heater to control
- Mangrove Jack's Heat Pad - sits under the fermenter
- Apollo 30 L Fermenter Jacket - insulation to hold the temperature
Want app control? See the ITC-308 WiFi version.