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Heatcraft 28913701 Defrost Temperature Sensor

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Special Price $69.65 Regular Price $80.10
In stock
SKU
28913701
The Heatcraft Refrigeration 28913701 Defrost Temperature Sensor recognizes coil and surrounding temperature conditions during refrigeration operation to provide thermal input for defrost cycle control. It acts through implementing resistance-based sensing features that respond to temperature variation and transmit corresponding signals to connected control circuits in HVAC systems. This is positioned near evaporator sections where frost accumulation and changing thermal conditions influence operating performance. Its sensing response supports accurate defrost cycle regulation, maintains balanced coil temperature conditions, and contributes to controlled refrigeration airflow and heat exchange performance.
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HVAC Controls & Electrical, Control & Sensing Devices
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Product Questions (2)
Customer Questions
What maintenance is required for the Heatcraft 28913701 Temperature Sensor?

Regularly inspect the sensor for dirt, corrosion, or loose connections. Clean gently with a soft cloth and ensure it is securely mounted. Proper maintenance ensures accurate temperature readings and accurate defrost cycles.

What are common issues with the Heatcraft 28913701 Temperature Sensor?

  • Inaccurate temperature readings.
  • Loose or damaged wiring connections.
  • Sensor failure causing defrost errors.
  • Erratic defrost cycle operation.

Installation Steps

Step 1: Turn off power to the refrigeration or HVAC unit.

Step 2: Locate the coil or surface where the sensor will be mounted.

Step 3: Remove the old sensor carefully, noting the wiring connections.

Step 4: Mount the new defrost temperature sensor securely in the same position.

Step 5: Reconnect wires according to the original configuration.

Step 6: Restore power and test the system for proper defrost operation.