
Trane SWT4155 Pressure Switch
As a technician, you know that protecting the compressor from low-side pressure drops is non-negotiable for system longevity. The Trane SWT4155 Pressure Switch is a high-precision low pressure cut-out switch engineered to monitor refrigerant levels and prevent catastrophic compressor failure due to loss of charge or evaporator freeze-ups. This genuine Trane OEM replacement part ensures the tight tolerances required for high-efficiency commercial HVAC systems and residential split units. Designed for universal compatibility across specific Trane and American Standard air conditioners and heat pumps, the SWT4155 provides a critical safety interface that deactivates the control circuit when suction pressure falls below the factory-set threshold. With a compact 4.7-inch form factor and a rugged housing built to withstand the vibration of constant cycling, this HVAC pressure switch is the standard for field-service reliability. Stop troubleshooting intermittently tripping units with generic parts; stick to the OEM switch calibrated for your specific tonnage and refrigerant requirements.
Key Benefits:- Precise Pressure Calibration: Built to exact OEM specifications to ensure responsive system shutdown during low-suction events.
- Compressor Protection: Prevents hardware damage by cutting power to the contactor before oil starvation or overheating occurs.
- Durable Field Performance: High-grade internal contacts designed for high-cycle applications in demanding environments.
- Direct Fit Compatibility: Replaces factory-installed low-pressure switches in a wide range of Trane and American Standard light commercial units.
- Can I use this switch on a high-pressure line? No, the SWT4155 is specifically a low pressure switch designed for the suction side to monitor for charge loss or airflow issues.
- Is this part compatible with R-410A systems? Yes, this switch is designed for modern refrigerant pressures typically found in Trane’s residential and commercial product lines.
- How do I verify if this fits my specific model? Always verify the part number against your unit’s service manual or data plate. Technical support can assist with serial number cross-referencing.
This item is not eligible for free shipping.
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: $42.78
-65%$42.78
$14.97Trane SWT4155 Pressure Switch
As a technician, you know that protecting the compressor from low-side pressure drops is non-negotiable for system longevity. The Trane SWT4155 Pressure Switch is a high-precision low pressure cut-out switch engineered to monitor refrigerant levels and prevent catastrophic compressor failure due to loss of charge or evaporator freeze-ups. This genuine Trane OEM replacement part ensures the tight tolerances required for high-efficiency commercial HVAC systems and residential split units. Designed for universal compatibility across specific Trane and American Standard air conditioners and heat pumps, the SWT4155 provides a critical safety interface that deactivates the control circuit when suction pressure falls below the factory-set threshold. With a compact 4.7-inch form factor and a rugged housing built to withstand the vibration of constant cycling, this HVAC pressure switch is the standard for field-service reliability. Stop troubleshooting intermittently tripping units with generic parts; stick to the OEM switch calibrated for your specific tonnage and refrigerant requirements.
Key Benefits:- Precise Pressure Calibration: Built to exact OEM specifications to ensure responsive system shutdown during low-suction events.
- Compressor Protection: Prevents hardware damage by cutting power to the contactor before oil starvation or overheating occurs.
- Durable Field Performance: High-grade internal contacts designed for high-cycle applications in demanding environments.
- Direct Fit Compatibility: Replaces factory-installed low-pressure switches in a wide range of Trane and American Standard light commercial units.
- Can I use this switch on a high-pressure line? No, the SWT4155 is specifically a low pressure switch designed for the suction side to monitor for charge loss or airflow issues.
- Is this part compatible with R-410A systems? Yes, this switch is designed for modern refrigerant pressures typically found in Trane’s residential and commercial product lines.
- How do I verify if this fits my specific model? Always verify the part number against your unit’s service manual or data plate. Technical support can assist with serial number cross-referencing.
This item is not eligible for free shipping.
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.
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Product Information
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Description
As a technician, you know that protecting the compressor from low-side pressure drops is non-negotiable for system longevity. The Trane SWT4155 Pressure Switch is a high-precision low pressure cut-out switch engineered to monitor refrigerant levels and prevent catastrophic compressor failure due to loss of charge or evaporator freeze-ups. This genuine Trane OEM replacement part ensures the tight tolerances required for high-efficiency commercial HVAC systems and residential split units. Designed for universal compatibility across specific Trane and American Standard air conditioners and heat pumps, the SWT4155 provides a critical safety interface that deactivates the control circuit when suction pressure falls below the factory-set threshold. With a compact 4.7-inch form factor and a rugged housing built to withstand the vibration of constant cycling, this HVAC pressure switch is the standard for field-service reliability. Stop troubleshooting intermittently tripping units with generic parts; stick to the OEM switch calibrated for your specific tonnage and refrigerant requirements.
Key Benefits:- Precise Pressure Calibration: Built to exact OEM specifications to ensure responsive system shutdown during low-suction events.
- Compressor Protection: Prevents hardware damage by cutting power to the contactor before oil starvation or overheating occurs.
- Durable Field Performance: High-grade internal contacts designed for high-cycle applications in demanding environments.
- Direct Fit Compatibility: Replaces factory-installed low-pressure switches in a wide range of Trane and American Standard light commercial units.
- Can I use this switch on a high-pressure line? No, the SWT4155 is specifically a low pressure switch designed for the suction side to monitor for charge loss or airflow issues.
- Is this part compatible with R-410A systems? Yes, this switch is designed for modern refrigerant pressures typically found in Trane’s residential and commercial product lines.
- How do I verify if this fits my specific model? Always verify the part number against your unit’s service manual or data plate. Technical support can assist with serial number cross-referencing.
This item is not eligible for free shipping.
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.












