NTC Thermistor Fridge Sensor 2.1K/5K/10K – Thermostat Replacement
Universal Refrigerator Temperature Sensor – NTC Thermistor 2.1K / 5K / 10K
Keep your refrigerator, freezer, or cooler box running at peak efficiency with this Universal NTC Thermistor Temperature Sensor. Available in three resistance values — 2.1K, 5K, and 10K — this CE-certified sensor is engineered for precise, stable temperature measurement and is a reliable drop-in replacement for worn or faulty thermostat sensors.
Key Features
- High Accuracy & Stable Performance: Delivers consistent, reliable temperature readings to keep your appliance functioning as intended.
- Universal Compatibility: Suitable for a wide range of refrigerators, freezers, and cooler box thermostats — simply select the matching resistance value (2.1K, 5K, or 10K).
- Easy Installation: Thoughtful design makes replacement straightforward, even for non-professionals.
- CE Certified: Meets European safety and performance standards for peace of mind.
- Generous 1m Cable Length: Provides ample reach for installation flexibility inside your appliance.
- No Battery Required: Passive sensor — integrates directly with your thermostat control system.
- No High-Concern Chemicals: Safe materials with no hazardous substances.
Specifications
| Types Available | 2.1K / 5K / 10K NTC Thermistor |
| Cable Length | 1 meter (approx. 3.3 ft) |
| Certification | CE |
| Application | Refrigerator, Freezer, Cooler Box Thermostat |
| Power Source | None (passive sensor) |
| Country of Origin | Made in Mainland China |
What's in the Box?
- 1 × NTC Thermistor Sensor Probe (with 1m cable)
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Frequently Asked Questions
Q: How do I know which NTC thermistor resistance value (2.1K, 5K, or 10K) I need for my refrigerator?
A: Check your refrigerator's original thermostat sensor or the appliance's service manual for the rated resistance value. The most common values are 5K and 10K for household refrigerators, while 2.1K is often found in certain freezer and cooler box models. Matching the resistance value of the original sensor ensures accurate temperature control by your thermostat.
Q: Is this NTC thermistor sensor compatible with all refrigerator brands?
A: This is a universal replacement sensor designed to work with a wide range of refrigerators, freezers, and cooler boxes that use a 2.1K, 5K, or 10K NTC thermistor in their thermostat circuit. While it covers many common appliance brands and models, we recommend confirming your appliance's sensor specifications before ordering to ensure a proper match.
Q: Is installation of this temperature sensor difficult?
A: No — the sensor is designed with a straightforward, user-friendly form factor that makes it easy to install as a direct replacement for your existing sensor probe. Simply disconnect the old sensor, route the new 1m cable into position, and connect it to the thermostat. No special tools are required in most cases.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.