Description
Product Overview
The Catilon 297018400 freezer temperature sensor is engineered as a precise, drop‑in replacement for original thermistors used in Electrolux and Frigidaire refrigeration units. Constructed from a high‑grade, waterproof polymer housing, the sensor resists moisture, corrosion, and the temperature extremes typical of freezer compartments. Its compact dimensions of 3.5 × 2.5 × 0.7 inches and lightweight 0.5 oz design allow it to fit seamlessly into the factory‑specified mounting bracket without modification. The internal resistive element delivers accurate temperature feedback to the appliance control board, enabling the freezer to maintain a stable, energy‑efficient environment.
The part number 297018400 is cross‑referenced with several OEM identifiers, including PS977306, 1064363, 7297018400, AH977306, EA977306, and the original Frigidaire reference 25314772100. This extensive compatibility ensures that a single sensor can service multiple refrigerator models across both brands, simplifying inventory for repair technicians and reducing downtime for homeowners. By matching the electrical characteristics of the original thermistor, the Catilon sensor integrates flawlessly with existing control circuitry, eliminating the need for recalibration or firmware updates after installation.
The sensor’s waterproof construction is complemented by an internal silicone gel that provides additional insulation against rapid temperature swings. This design choice not only prolongs the lifespan of the component but also safeguards the surrounding wiring from condensation‑induced short circuits. Tested against industry standards for thermal cycling and humidity exposure, the unit meets or exceeds OEM specifications, delivering reliable performance for years of continuous operation in demanding freezer environments.
Performance metrics show a resistance tolerance of ±1 % at 0 °C and a response time under 2 seconds, ensuring the control board receives timely data for precise cooling regulation. The sensor operates across a temperature range of –40 °C to +85 °C, covering the full spectrum of typical freezer conditions while maintaining consistent accuracy.
Usage
The Catilon freezer temperature sensor is ideal for residential and light‑commercial refrigeration units that have experienced temperature drift, frequent cycling, or complete loss of cooling control. Install the sensor in any freezer compartment that utilizes a thermistor probe, typically located on the evaporator wall or within the air‑flow channel. After disconnecting power and safely removing the faulty unit, the new sensor can be secured with the original mounting hardware, reconnected to the control board, and the appliance powered up to verify correct operation. This straightforward process restores optimal cooling within minutes, making it a cost‑effective alternative to full‑unit replacement.
Common failure modes addressed by this sensor include failure to shut off at the set temperature, inability to maintain a constant temperature, and erratic temperature readings that trigger unnecessary defrost cycles. By providing accurate, real‑time temperature data, the sensor enables the refrigerator’s microcontroller to regulate compressor activity precisely, reducing energy consumption and preventing food spoilage. Whether the freezer is part of a side‑by‑side, top‑mount, or bottom‑mount refrigerator, the sensor’s universal fit ensures broad applicability across a range of configurations.
For ongoing maintenance, it is recommended to periodically inspect the sensor’s mounting bracket for signs of vibration or loosening, and to verify that the wiring harness remains free of corrosion. Cleaning the surrounding area with a soft, dry cloth helps maintain optimal heat transfer between the sensor and the freezer interior. If temperature irregularities reappear, re‑checking the sensor’s connection and confirming the control board’s voltage supply can quickly isolate the issue.
Why Choose Us
Choosing Catilon means selecting a partner committed to engineering excellence and customer satisfaction. Each sensor is manufactured in a controlled environment, where automated testing verifies resistance values, response time, and waterproof integrity before the product leaves the factory. The company backs its components with a limited one‑year warranty, reflecting confidence in durability and performance. In addition, Catilon provides comprehensive technical documentation and responsive after‑sales support, assisting installers with troubleshooting, part identification, and warranty claims to ensure a seamless ownership experience.
Catilon also emphasizes sustainable manufacturing practices, utilizing recyclable materials and minimizing waste throughout the production cycle. By extending the service life of existing refrigeration units, the sensor contributes to reduced landfill impact and lower overall energy demand. Customers benefit not only from a reliable, high‑quality component but also from the environmental advantages of repairing rather than replacing entire appliances.
All Catilon products adhere to ISO 9001 quality management standards and are certified to meet IEC 60730 safety requirements for household appliances. Independent third‑party labs validate the sensor’s performance under extreme temperature cycling, humidity exposure, and mechanical shock, ensuring that each unit delivers consistent reliability in real‑world conditions.
Key Features
- Waterproof polymer housing protects the sensor from moisture and corrosion, ensuring reliable operation in the harsh freezer environment.
- Accurate resistive element delivers precise temperature feedback, enabling the refrigerator’s control board to maintain stable cooling and prevent temperature fluctuations.
- Universal compatibility with multiple OEM part numbers (PS977306, 1064363, 7297018400, AH977306, EA977306) fits a wide range of Electrolux and Frigidaire models.
- Easy installation requires only basic tools; the sensor snaps into the existing mounting bracket and connects to the original wiring harness without modifications.
- Catilon offers a one‑year warranty and dedicated technical support, providing peace of mind and assistance for any installation or performance questions.
FAQ
How do I know if my freezer temperature sensor needs replacement?
Typical signs of a failing sensor include the freezer not reaching the set temperature, frequent cycling of the compressor, or the display showing erratic temperature readings. You may also notice ice buildup or food spoilage despite the unit appearing to run. In many cases, the control board will generate an error code indicating a sensor fault. Performing a simple continuity test with a multimeter can confirm the issue: the sensor should show a resistance value within the manufacturer’s specified range at room temperature. If the reading is out of range or the sensor shows an open circuit, replacement is recommended.
Can I install the Catilon sensor myself, or do I need a professional?
The Catilon sensor is designed for straightforward, DIY installation. Required tools are limited to a screwdriver and a pair of needle‑nose pliers. After unplugging the refrigerator, you remove the old sensor, disconnect the wiring harness, and secure the new sensor in the same mounting location. Reconnect the harness, restore power, and verify that the freezer reaches the desired temperature within a few hours. While most homeowners can complete the task safely, complex models with integrated diagnostic systems may benefit from a qualified technician to ensure proper calibration and to avoid voiding any existing warranties.
What makes the Catilon sensor more reliable than generic alternatives?
Catilon sensors are built to OEM specifications using high‑quality, waterproof polymer materials and a precision‑engineered resistive element. Each unit undergoes rigorous testing for resistance tolerance, response time, and durability under extreme temperature cycling. The internal silicone gel provides additional insulation, reducing the risk of condensation‑related failures. Generic sensors often lack these quality controls, leading to inconsistent performance, premature failure, and potential damage to the refrigerator’s control board. By matching the exact electrical characteristics of the original part, Catilon ensures seamless integration and long‑term reliability.
Is the sensor compatible with newer refrigerator models that use digital control boards?
Yes, the Catilon 297018400 sensor is compatible with both analog and digital control systems that rely on thermistor feedback. The sensor’s resistance curve aligns with the specifications used by modern microcontroller‑based boards, allowing it to communicate temperature data accurately without requiring firmware updates. For newer models that employ advanced diagnostics, the sensor will still register within the expected parameters, enabling the control board to execute its built‑in safety and efficiency algorithms. However, it is always advisable to consult the appliance’s service manual to confirm part compatibility before purchase.
What is the warranty coverage and how do I file a claim?
Catilon provides a limited one‑year warranty covering defects in materials and workmanship. The warranty does not cover damage caused by improper installation, misuse, or external factors such as power surges. To file a claim, retain the original packaging and proof of purchase, then contact Catilon’s customer support via email or phone. Provide the product serial number, a description of the issue, and any supporting photos. After verification, Catilon will arrange for a replacement unit or a refund, depending on availability and the nature of the defect. The support team also offers guidance on troubleshooting and installation to help prevent future issues.
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