Description
The Air Conditioner Temperature Sensor Probe Heat Sensing Head is an essential diagnostic and protection component for home appliance air conditioning systems. Engineered to detect minute thermal shifts, this probe monitors both ambient temperatures and key internal components like the evaporator coil and compressor discharge line. By feeding accurate thermal data back to the main control board, it regulates compressor start/stop intervals to prevent premature motor wear, guards against coil freezing or overheating, and ensures consistent indoor climate comfort.
Technical Specifications
| Specification | Details |
| Product Name | Air Conditioner Temperature Sensor Probe Heat Sensing Head |
| Model Number | liyueshuang |
| Resistance Options | 5K / 10K / 15K / 20K / 50K NTC Thermistor |
| Dimensions | 0.39 x 0.39 x 0.39 inches (1.0 x 1.0 x 1.0 cm) |
| Item Weight | 1.76 ounces (50 g) |
| Primary Functions | Ambient Temperature Monitoring, Coil Protection, Compressor Control |
| System Compatibility | Residential Split ACs, Window Units & Universal PCBs |
| Product Condition | New |
Key Features
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Precision Temperature Monitoring: Detects subtle indoor and outdoor temperature changes to prevent sudden room climate swings.
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Coil Temperature Protection: Safeguards evaporator and condenser coils by maintaining normal operating thermal limits.
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Smart Compressor Cycling: Regulates compressor start and stop sequences to eliminate frequent short-cycling and reduce mechanical wear.
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Frost & Overheating Defense: Actively monitors critical thermal points to trigger system protection mechanisms before freezing or extreme discharge heat occurs.
Supported Applications
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Evaporator Coil Protection: Prevents coil icing and manages system defrost cycles.
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Compressor Discharge Line Monitoring: Shields the compressor from thermal overload and high-pressure lockouts.
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Residential & Light Commercial HVAC: Ideal replacement for wall-mounted split units, window air conditioners, and universal control boards.
Benefits
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Prolongs compressor lifespan by eliminating excessive start-stop cycles.
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Protects costly refrigeration components against frost buildup and thermal stress damage.
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Lightweight, compact design allows easy installation inside tight unit enclosures.
Package Includes
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1 x Air Conditioner Temperature Sensor Probe Heat Sensing Head Assembly
Important Buyer Verification Notes
Notice for Technicians & Contractors: Match the exact resistance rating (e.g., 5K, 10K, 15K, 20K, or 50K @ 25°C) required by your air conditioner’s main PCB prior to replacement. Ensure the probe head is mounted firmly in its designated bracket or copper coil clip for maximum thermal sensitivity.
Why Buy From Al Ramiz
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Genuine Quality Parts: Field-tested HVAC sensors, control components, and electronic spares.
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UAE Stock & Local Inventory: Fast order processing and local dispatch across the UAE.
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Technical Support: Expert guidance for AC sensor diagnosis, resistance matching, and replacement.
Frequently Asked Questions (FAQs)
What resistance value (5K, 10K, 15K, etc.) do I need for my air conditioner?
The required resistance depends on your specific AC brand and PCB board design. Check your unit’s service manual or test the original working sensor resistance at 25°C (77°F) with a multimeter.
How does this sensor prevent compressor wear?
By accurately measuring temperature shifts, it signals the PCB to run normal cooling cycles instead of turning the compressor on and off rapidly (short-cycling).
Can this probe head be used on evaporator coils?
Yes, it is designed to monitor both ambient air temperatures and heat exchanger coils to prevent frost formation and overheating.
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