Trane SWT1936 Limit Switch
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Trane SWT1936 Limit Switch

Trane SWT1936 Limit Switch

The Trane SWT1936 Limit Switch is a critical safety component designed for precise thermal monitoring in residential and commercial HVAC systems. This high-limit cutout switch features a 120-degree Fahrenheit open and 90-degree Fahrenheit close configuration, ensuring the system shuts down if heat exchanger temperatures exceed safe operating parameters. Engineered for compatibility with dedicated Trane and American Standard furnaces, the SWT01936 provides an essential fail-safe against overheating and potential component fatigue. Its snap-disc design offers reliable, repeatable performance, making it a standard replacement part for technicians rectifying limit circuit faults. Integrating this OEM furnace limit switch restores the factory safety specifications of the heating unit, preventing premature cycling and ensuring efficient heat distribution during peak demand. Verification of the L120-30 temperature rating is essential before installation to maintain original equipment manufacturer performance standards and system reliability.

Key Benefits:

  • Precise Thermal Calibration: Factory-set to open at 120°F and reset at 90°F for accurate over-temperature protection.
  • OEM Compatibility: Exact replacement for Trane SWT01936 and American Standard HVAC units.
  • Enhanced Equipment Longevity: Prevents heat exchanger damage by managing thermal limit cycles effectively.
  • Standardized Fitment: Features a durable flange mounting bracket for secure installation in the plenum or heat exchanger area.

Common Questions:

Is the Trane SWT1936 a manual or automatic reset switch?
This is an automatic reset limit switch, meaning it will close the circuit once the air temperature drops back down to the 90°F threshold.

How do I diagnose a faulty furnace limit switch?
If the furnace blower runs constantly or the burners shut off prematurely, a technician should check for continuity across the switch when the system is cool.

Can I use a higher temperature limit switch if this one keeps tripping?
No, always replace with the OEM-specified 120-degree limit switch. Frequent tripping usually indicates a secondary issue like a blocked filter or failed blower motor.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

$33.85

Original: $96.72

-65%
Trane SWT1936 Limit Switch

$96.72

$33.85

Trane SWT1936 Limit Switch

The Trane SWT1936 Limit Switch is a critical safety component designed for precise thermal monitoring in residential and commercial HVAC systems. This high-limit cutout switch features a 120-degree Fahrenheit open and 90-degree Fahrenheit close configuration, ensuring the system shuts down if heat exchanger temperatures exceed safe operating parameters. Engineered for compatibility with dedicated Trane and American Standard furnaces, the SWT01936 provides an essential fail-safe against overheating and potential component fatigue. Its snap-disc design offers reliable, repeatable performance, making it a standard replacement part for technicians rectifying limit circuit faults. Integrating this OEM furnace limit switch restores the factory safety specifications of the heating unit, preventing premature cycling and ensuring efficient heat distribution during peak demand. Verification of the L120-30 temperature rating is essential before installation to maintain original equipment manufacturer performance standards and system reliability.

Key Benefits:

  • Precise Thermal Calibration: Factory-set to open at 120°F and reset at 90°F for accurate over-temperature protection.
  • OEM Compatibility: Exact replacement for Trane SWT01936 and American Standard HVAC units.
  • Enhanced Equipment Longevity: Prevents heat exchanger damage by managing thermal limit cycles effectively.
  • Standardized Fitment: Features a durable flange mounting bracket for secure installation in the plenum or heat exchanger area.

Common Questions:

Is the Trane SWT1936 a manual or automatic reset switch?
This is an automatic reset limit switch, meaning it will close the circuit once the air temperature drops back down to the 90°F threshold.

How do I diagnose a faulty furnace limit switch?
If the furnace blower runs constantly or the burners shut off prematurely, a technician should check for continuity across the switch when the system is cool.

Can I use a higher temperature limit switch if this one keeps tripping?
No, always replace with the OEM-specified 120-degree limit switch. Frequent tripping usually indicates a secondary issue like a blocked filter or failed blower motor.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

Product Information

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Description

The Trane SWT1936 Limit Switch is a critical safety component designed for precise thermal monitoring in residential and commercial HVAC systems. This high-limit cutout switch features a 120-degree Fahrenheit open and 90-degree Fahrenheit close configuration, ensuring the system shuts down if heat exchanger temperatures exceed safe operating parameters. Engineered for compatibility with dedicated Trane and American Standard furnaces, the SWT01936 provides an essential fail-safe against overheating and potential component fatigue. Its snap-disc design offers reliable, repeatable performance, making it a standard replacement part for technicians rectifying limit circuit faults. Integrating this OEM furnace limit switch restores the factory safety specifications of the heating unit, preventing premature cycling and ensuring efficient heat distribution during peak demand. Verification of the L120-30 temperature rating is essential before installation to maintain original equipment manufacturer performance standards and system reliability.

Key Benefits:

  • Precise Thermal Calibration: Factory-set to open at 120°F and reset at 90°F for accurate over-temperature protection.
  • OEM Compatibility: Exact replacement for Trane SWT01936 and American Standard HVAC units.
  • Enhanced Equipment Longevity: Prevents heat exchanger damage by managing thermal limit cycles effectively.
  • Standardized Fitment: Features a durable flange mounting bracket for secure installation in the plenum or heat exchanger area.

Common Questions:

Is the Trane SWT1936 a manual or automatic reset switch?
This is an automatic reset limit switch, meaning it will close the circuit once the air temperature drops back down to the 90°F threshold.

How do I diagnose a faulty furnace limit switch?
If the furnace blower runs constantly or the burners shut off prematurely, a technician should check for continuity across the switch when the system is cool.

Can I use a higher temperature limit switch if this one keeps tripping?
No, always replace with the OEM-specified 120-degree limit switch. Frequent tripping usually indicates a secondary issue like a blocked filter or failed blower motor.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.