Inkbird ITC-308 Temperature Controller

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The Inkbird ITC-308 is a dual-outlet digital thermostat that independently controls both a heating and a cooling device, making it a versatile tool for maintaining precise water temperatures in cold plunge setups and other temperature-sensitive environments. It features a clear digital display, a detachable NTC sensor probe, and audible alarms for temperature deviations, offering a reliable hands-off approach to temperature management. Overall it delivers impressive accuracy and functionality at an accessible price point, making it one of the more popular choices among home brewers, cold plunge enthusiasts, and hobbyists alike.
Key Features & Specs
| Control Range | -50°C to 99°C (-58°F to 210.2°F) with 0.1° resolution |
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| Outlets | Dual outlets — one for heating devices, one for cooling devices, each independently controlled |
| Sensor Probe | Detachable NTC waterproof probe with approximately 3m (10ft) cable length |
| Accuracy | ±1°C (±2°F) temperature accuracy suitable for most hobbyist and home use applications |
| Power Rating | Supports up to 1200W for heating and 1200W for cooling loads at 110V |
| Alarms | Built-in audible high and low temperature deviation alarms for out-of-range alerts |
| Compatibility | Works with chillers, heaters, heat mats, tube heaters, reptile vivariums, fermentation chambers, and cold plunge systems |
Best for: Home cold plunge users, home brewers, and hobbyists who want an affordable, plug-and-play solution for automating and maintaining precise temperatures without complex wiring or professional installation.