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Fenwal 27121-20-190 Over Heat Detector Stainless Steel 190°F

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Special Price $387.47 Regular Price $430.10
In stock
SKU
27121-20-190
The Fenwal 27121-20-190 Over Heat Detector stainless steel is meant to detect excessive heat in the HVAC systems and combustion apparatus. Adjusted to turn on at 190°F, it reacts to an increase in temperature by opening or closing its internal contacts to provide a control system or interrupt power to avoid conditions. It is used to safeguard systems and components against overheating which is used in secure and operational heating applications.
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Manufacturer:
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Specifications

  • Type: Overheat Detector
  • Material: Stainless Steel (SS)
  • Temperature Rating: 190°F
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Product Questions (2)
Customer Questions
What maintenance is required for the Fenwal 27121-20-190 Over Heat Detector?

Regularly inspect the detector for dust, corrosion, or physical damage that could affect performance. Ensure mounting is secure and wiring connections are intact. Test the unit periodically for proper response. Always disconnect power before handling to maintain safety.

What are common issues with the Fenwal 27121-20-190 Over Heat Detector?

  • Failure to trigger at the specified temperature threshold.
  • False triggering without actual overheating conditions.
  • Sensor degradation affecting accuracy.
  • Electrical connection faults.
  • Delayed response to temperature changes.

Installation Steps

Step 1: Turn off power to the system before installation to ensure safety.

Step 2: Locate the area where the overheat detector will be mounted, near the heat source.

Step 3: Remove any old detector carefully, noting wiring connections.

Step 4: Mount the new securely using screws or brackets.

Step 5: Reconnect all electrical wiring according to manufacturer specifications.

Step 6: Restore power and test the system to verify proper operation and overheat detection.