Trane SWT3031 Limit Switch
The Trane SWT3031 Limit Switch is a critical safety component engineered for HVAC furnace applications, specifically designed to monitor internal heat exchanger temperatures. This OEM Trane replacement part features a 7-inch insertion length, making it compatible with specific air handler and furnace configurations where precise thermal sensing is required. Operating as a normally closed SPST (Single Pole Single Throw) circuit, the switch is calibrated with an open temperature of 190°F and an automatic reset at 160°F. This auto-reset functionality ensures that once the system cools to a safe operating range, the circuit closes to allow continued heating cycles without manual intervention. Built for durability in high-demand environments, the SWT3031 furnace limit switch utilizes a thermal disc mechanism and quick-connect terminals to streamline field installation for technicians. Maintaining a functional 160-190F auto limit switch is essential for preventing equipment overheating and ensuring the longevity of the primary heat exchanger.
Key Benefits for HVAC Professionals- Precise Thermal Calibration: Engineered with a strict 190°F trip point to protect the heat exchanger from structural damage due to overheating.
- OEM Compatibility: A direct factory replacement for Trane and American Standard heating systems, ensuring exact fitment and electrical alignment.
- Automatic Reset Logic: Eliminates unnecessary service calls by automatically restoring the circuit once the plenum temperature drops to 160°F.
- Robust Electrical Rating: Designed to handle 5.8 FLA at 120V AC, providing reliable switching performance across residential and light commercial units.
- Efficient Installation: Features standard quick-connect terminals and a surface-mount flange for rapid swap-outs during emergency heat-loss calls.
What are the symptoms of a failing Trane limit switch?
Technicians often encounter a furnace that short cycles, runs the blower motor continuously, or fails to initiate the burner. If the Trane SWT3031 is stuck open, the system will prevent the gas valve from energized as a safety precaution.
Can this switch be used in 24V and 120V circuits?
Yes, the SWT3031 is rated for a broad electrical range, typically supporting up to 1.5A at 24V AC for control circuits and 5.8 FLA at 120V AC for direct-load applications.
Is the SWT3031 interchangeable with the SWT03031?
The SWT03031 is the official manufacturer-designated replacement part number for the SWT3031. They share identical 160-190°F thermal specifications and physical dimensions.
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.
Original: $56.68
-65%$56.68
$19.84Trane SWT3031 Limit Switch
The Trane SWT3031 Limit Switch is a critical safety component engineered for HVAC furnace applications, specifically designed to monitor internal heat exchanger temperatures. This OEM Trane replacement part features a 7-inch insertion length, making it compatible with specific air handler and furnace configurations where precise thermal sensing is required. Operating as a normally closed SPST (Single Pole Single Throw) circuit, the switch is calibrated with an open temperature of 190°F and an automatic reset at 160°F. This auto-reset functionality ensures that once the system cools to a safe operating range, the circuit closes to allow continued heating cycles without manual intervention. Built for durability in high-demand environments, the SWT3031 furnace limit switch utilizes a thermal disc mechanism and quick-connect terminals to streamline field installation for technicians. Maintaining a functional 160-190F auto limit switch is essential for preventing equipment overheating and ensuring the longevity of the primary heat exchanger.
Key Benefits for HVAC Professionals- Precise Thermal Calibration: Engineered with a strict 190°F trip point to protect the heat exchanger from structural damage due to overheating.
- OEM Compatibility: A direct factory replacement for Trane and American Standard heating systems, ensuring exact fitment and electrical alignment.
- Automatic Reset Logic: Eliminates unnecessary service calls by automatically restoring the circuit once the plenum temperature drops to 160°F.
- Robust Electrical Rating: Designed to handle 5.8 FLA at 120V AC, providing reliable switching performance across residential and light commercial units.
- Efficient Installation: Features standard quick-connect terminals and a surface-mount flange for rapid swap-outs during emergency heat-loss calls.
What are the symptoms of a failing Trane limit switch?
Technicians often encounter a furnace that short cycles, runs the blower motor continuously, or fails to initiate the burner. If the Trane SWT3031 is stuck open, the system will prevent the gas valve from energized as a safety precaution.
Can this switch be used in 24V and 120V circuits?
Yes, the SWT3031 is rated for a broad electrical range, typically supporting up to 1.5A at 24V AC for control circuits and 5.8 FLA at 120V AC for direct-load applications.
Is the SWT3031 interchangeable with the SWT03031?
The SWT03031 is the official manufacturer-designated replacement part number for the SWT3031. They share identical 160-190°F thermal specifications and physical dimensions.
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
Product Information
Shipping & Returns
Shipping & Returns
Description
The Trane SWT3031 Limit Switch is a critical safety component engineered for HVAC furnace applications, specifically designed to monitor internal heat exchanger temperatures. This OEM Trane replacement part features a 7-inch insertion length, making it compatible with specific air handler and furnace configurations where precise thermal sensing is required. Operating as a normally closed SPST (Single Pole Single Throw) circuit, the switch is calibrated with an open temperature of 190°F and an automatic reset at 160°F. This auto-reset functionality ensures that once the system cools to a safe operating range, the circuit closes to allow continued heating cycles without manual intervention. Built for durability in high-demand environments, the SWT3031 furnace limit switch utilizes a thermal disc mechanism and quick-connect terminals to streamline field installation for technicians. Maintaining a functional 160-190F auto limit switch is essential for preventing equipment overheating and ensuring the longevity of the primary heat exchanger.
Key Benefits for HVAC Professionals- Precise Thermal Calibration: Engineered with a strict 190°F trip point to protect the heat exchanger from structural damage due to overheating.
- OEM Compatibility: A direct factory replacement for Trane and American Standard heating systems, ensuring exact fitment and electrical alignment.
- Automatic Reset Logic: Eliminates unnecessary service calls by automatically restoring the circuit once the plenum temperature drops to 160°F.
- Robust Electrical Rating: Designed to handle 5.8 FLA at 120V AC, providing reliable switching performance across residential and light commercial units.
- Efficient Installation: Features standard quick-connect terminals and a surface-mount flange for rapid swap-outs during emergency heat-loss calls.
What are the symptoms of a failing Trane limit switch?
Technicians often encounter a furnace that short cycles, runs the blower motor continuously, or fails to initiate the burner. If the Trane SWT3031 is stuck open, the system will prevent the gas valve from energized as a safety precaution.
Can this switch be used in 24V and 120V circuits?
Yes, the SWT3031 is rated for a broad electrical range, typically supporting up to 1.5A at 24V AC for control circuits and 5.8 FLA at 120V AC for direct-load applications.
Is the SWT3031 interchangeable with the SWT03031?
The SWT03031 is the official manufacturer-designated replacement part number for the SWT3031. They share identical 160-190°F thermal specifications and physical dimensions.
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.
