R2006600 Laars Temperature Control Sensor Probe
The R2006600 Laars Temperature Control Sensor Probe is a reliable PTC silicon temperature sensor designed for accurate temperature monitoring in HVAC and refrigeration systems. Cross-referenced to Johnson Controls A99BC-300, this passive sensor delivers precise readings, excellent durability, and dependable performance across a wide operating temperature range.
With a high-temperature silicon cable and splashproof construction, this sensor is ideal for demanding commercial and industrial environments.
✅ Key Features
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✅ Genuine Laars temperature control sensor probe
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✅ Cross-reference to Johnson Controls A99BC-300
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✅ Passive PTC (Positive Temperature Coefficient) silicon sensor
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✅ Splashproof design for HVAC and refrigeration environments
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✅ Wide operating temperature range for versatile applications
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✅ High-temperature silicon cable for long service life
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✅ Accurate and stable resistance characteristics
📋 Specifications
| Specification | Details |
|---|
| Laars Part Number |
R2006600 |
| Johnson Controls Model |
A99BC-300 |
| Sensor Type |
PTC Silicon Temperature Sensor |
| Cable Length |
9-3/4 ft (3 m) |
| Temperature Range |
-40 to 248°F (-40 to 120°C) |
| Reference Resistance |
1,035 Ω at 77°F (25°C) |
| Accuracy |
±0.9°F (±0.5°C) between 5–167°F (-15–75°C) |
| Cable Type |
High-Temperature Silicon |
| Construction |
Splashproof |
🔄 Cross Reference Table
| Brand | Part Number |
|---|
| Laars |
R2006600 |
| Johnson Controls |
A99BC-300 |
⚠️ Common Symptoms Indicating Replacement
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Inaccurate or unstable temperature readings
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Unit short-cycling or failing to maintain setpoint
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Defrost cycle not terminating correctly
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Condenser fan not cycling as designed
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Sensor damage, corrosion, or cable deterioration
❓ Frequently Asked Questions (FAQ)
Q: Is this sensor active or passive?
A: This is a passive PTC sensor and does not require external power.
Q: Can this be used in refrigeration applications?
A: Yes. It is designed for refrigeration, HVAC, and process temperature sensing.
Q: Is the sensor suitable for outdoor use?
A: Yes, it can be used for outdoor air sensing when properly installed.
Q: Does this replace Johnson Controls A99BC-300?
A: Yes, the R2006600 is a direct cross-reference replacement.
🛒 Shopping Tips
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Confirm resistance and temperature range match your control requirements.
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Verify cable length is sufficient for your installation.
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Ensure proper mounting for accurate temperature sensing.
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Avoid sharp bends or pinching the sensor cable during installation.
