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Lennox 98G47 Thermal Cutoff Fuse 171°F

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Special Price $31.19 Regular Price $40.55
In stock
SKU
98G47
The Lennox 98G47 Thermal Cutoff Fuse is the most essential safety product that is used to prevent overheating of HVAC systems. This thermal cutoff fuse is designed to integrate the electrical circuit in heating systems when it reaches a maximum operating temperature of 171°F for electric heating parts. They are often inserted in furnaces manufactured by other heating parts to Provide their efficiency across the range. The advantages of using the include safety is increased since there is no overheating, easy to replace and it is compatible with several units making it easier for HVAC systems when fixing or maintaining them.
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HVAC Controls, Air Conditioner Switch
Manufacturer:
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Specifications

  • Type: Thermal Cutoff Fuse
  • Temperature: 171°F
Manufacturer Name: Lennox
Product Number: 98G47
OEM Part Number: 98G47
Product Description: Thermalfuserolloutswitch 171'
Weight:0.15lbs/68.04g

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Product Questions (2)
Customer Questions
What maintenance is required for the Lennox 98G47 Thermal Cutoff Fuse?

Inspect the thermal cutoff fuse and surrounding wiring during routine equipment service for signs of overheating, discoloration, loose connections, or physical damage. Verify that airflow passages, heat exchangers, and safety controls are operating correctly to prevent excessive temperatures that could trigger the fuse.

What are common issues with the Lennox 98G47 Thermal Cutoff Fuse?

  • Fuse opening due to excessive temperature conditions.
  • Loss of power to heating circuits after fuse activation.
  • False trips caused by restricted airflow or overheating.
  • Open-circuit condition preventing heater operation.

Installation Steps

Step 1: Turn off HVAC power at breaker and confirm no electrical supply is present for safety.

Step 2: Locate and remove the old thermal cutoff fuse from the blower or heat assembly.

Step 3: Install new fuse in the same position, ensuring firm and correct seating.

Step 4: Reassemble access panel and restore power.

Step 5: Test system operation and ensure proper shutdown protection activates if overheating occurs.