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Reznor 202584 Limit Switch 155°F-20°F

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Special Price $28.48 Regular Price $37.02
In stock
SKU
202584
The Reznor 202584 Limit Switch L155-20F is an essential element to monitor the temperature of the furnaces and prevent overheating that is applied to the HVAC systems. This is used to switch its circuit on or off when the system attains some temperature limits to control the activity of the burner and avoid impact to the elements. It is commonly used in both commercial and residential heating systems and has a vital role in the system concept as it regulates thermal thresholds, assists in stable operation, and provides the right environment in the normal heating processes.
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HVAC Controls, HVAC Limit Switch
Manufacturer:
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Manufacturer Name: Reznor
Product Number: 202584
OEM Part Number: 202584
Product Description: 155-20F Limit Switch
Weight:0.05lbs/22.68g

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Product Questions (2)
Customer Questions
What maintenance is required for the Reznor 202584 Limit Switch?

Regularly inspect the limit switch for dust buildup and ensure electrical connections are tight and corrosion-free. Clean contacts carefully to maintain accurate temperature cutoff performance. Proper maintenance can prevent overheating and system safety failures.

What are common issues with the Reznor 202584 Limit Switch?

  • Contact wear or sticking.
  • Wiring looseness causing intermittent operation.
  • Failure to trigger at correct temperature.
  • Overheating due to sensor malfunction.
  • Thermal overload switch failure.
  • Inconsistent cycling under high load conditions.

Installation Steps

Step 1: Turn off power for safety.

Step 2: Remove access panel and locate limit switch inside unit.

Step 3: Disconnect wiring, label terminals, remove old switch carefully.

Step 4: Install new switch in same position and secure screws.

Step 5: Reconnect wiring according to labels.

Step 6: Restore power and check normal operation.

Step 7: Test safety cutoff operation for proper response.