Trane SWT3018 Pressure Switch
For field techs managing low-pressure protection in commercial and residential systems, the Trane SWT3018 Pressure Switch (cross-referenced as SWT03018) is a critical OEM safety component. This SPST normally open pressure switch is engineered to monitor system conditions and prevent compressor damage due to refrigerant loss or extreme temperature drops. It features a precise 25 PSI open setpoint and a 41 PSI close (reset) point, making it standard for Trane low pressure switch replacement in R-410A split systems and packaged units. The SWT3018 is built with an IP65 protection rating to withstand harsh mechanical room environments, ensuring long-term reliability where generic universals fail.
Key Benefits for Technicians:
- Exact OEM Calibration: Pre-set to 25 PSI open / 41 PSI close to ensure system protection without the drift found in adjustable switches.
- Broad Compatibility: Direct replacement for low pressure switch SWT3018 and SWT03018 in TTA, TWA, and 4TTA series units.
- Heavy-Duty Construction: Rated for up to 250VAC at 8A, handling high-power control circuits efficiently.
- Environmental Resilience: Operating range of -22°F to 185°F ensures consistent HVAC pressure monitoring in all seasonal cycles.
Common Questions from the Field:
Is the SWT3018 a manual or automatic reset switch?
This model is an automatic reset pressure switch, meaning it will close the circuit and allow operation to resume once internal pressure rises to the 41 PSI threshold.
Where is this switch typically located in a Trane system?
It is usually piped into the suction line or installed on a Schrader port near the compressor to provide rapid response to low-side pressure drops.
Can I use this for high-pressure cut-out applications?
No, this is specifically calibrated as a low pressure control. For high-pressure protection, separate switches with higher trip points (e.g., 400+ PSI) must be used.
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: $36.89
-65%$36.89
$12.91Trane SWT3018 Pressure Switch
For field techs managing low-pressure protection in commercial and residential systems, the Trane SWT3018 Pressure Switch (cross-referenced as SWT03018) is a critical OEM safety component. This SPST normally open pressure switch is engineered to monitor system conditions and prevent compressor damage due to refrigerant loss or extreme temperature drops. It features a precise 25 PSI open setpoint and a 41 PSI close (reset) point, making it standard for Trane low pressure switch replacement in R-410A split systems and packaged units. The SWT3018 is built with an IP65 protection rating to withstand harsh mechanical room environments, ensuring long-term reliability where generic universals fail.
Key Benefits for Technicians:
- Exact OEM Calibration: Pre-set to 25 PSI open / 41 PSI close to ensure system protection without the drift found in adjustable switches.
- Broad Compatibility: Direct replacement for low pressure switch SWT3018 and SWT03018 in TTA, TWA, and 4TTA series units.
- Heavy-Duty Construction: Rated for up to 250VAC at 8A, handling high-power control circuits efficiently.
- Environmental Resilience: Operating range of -22°F to 185°F ensures consistent HVAC pressure monitoring in all seasonal cycles.
Common Questions from the Field:
Is the SWT3018 a manual or automatic reset switch?
This model is an automatic reset pressure switch, meaning it will close the circuit and allow operation to resume once internal pressure rises to the 41 PSI threshold.
Where is this switch typically located in a Trane system?
It is usually piped into the suction line or installed on a Schrader port near the compressor to provide rapid response to low-side pressure drops.
Can I use this for high-pressure cut-out applications?
No, this is specifically calibrated as a low pressure control. For high-pressure protection, separate switches with higher trip points (e.g., 400+ PSI) must be used.
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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Description
For field techs managing low-pressure protection in commercial and residential systems, the Trane SWT3018 Pressure Switch (cross-referenced as SWT03018) is a critical OEM safety component. This SPST normally open pressure switch is engineered to monitor system conditions and prevent compressor damage due to refrigerant loss or extreme temperature drops. It features a precise 25 PSI open setpoint and a 41 PSI close (reset) point, making it standard for Trane low pressure switch replacement in R-410A split systems and packaged units. The SWT3018 is built with an IP65 protection rating to withstand harsh mechanical room environments, ensuring long-term reliability where generic universals fail.
Key Benefits for Technicians:
- Exact OEM Calibration: Pre-set to 25 PSI open / 41 PSI close to ensure system protection without the drift found in adjustable switches.
- Broad Compatibility: Direct replacement for low pressure switch SWT3018 and SWT03018 in TTA, TWA, and 4TTA series units.
- Heavy-Duty Construction: Rated for up to 250VAC at 8A, handling high-power control circuits efficiently.
- Environmental Resilience: Operating range of -22°F to 185°F ensures consistent HVAC pressure monitoring in all seasonal cycles.
Common Questions from the Field:
Is the SWT3018 a manual or automatic reset switch?
This model is an automatic reset pressure switch, meaning it will close the circuit and allow operation to resume once internal pressure rises to the 41 PSI threshold.
Where is this switch typically located in a Trane system?
It is usually piped into the suction line or installed on a Schrader port near the compressor to provide rapid response to low-side pressure drops.
Can I use this for high-pressure cut-out applications?
No, this is specifically calibrated as a low pressure control. For high-pressure protection, separate switches with higher trip points (e.g., 400+ PSI) must be used.
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.
