Trane SWT3273 Pressure Switch
The Trane SWT3273 Pressure Switch is a mission-critical high-pressure cutout switch engineered for heavy-duty commercial and residential integrated HVAC systems. Designed as a normally closed SPST safety device, this switch is a primary defense mechanism against system rupture and compressor failure. It features a precise 650 PSI opening point to interrupt the control circuit when head pressure exceeds safe limits, with a 500 PSI closing point for system reset. For veteran technicians, the SWT3273 (often cross-referenced as SWT03273 or SWT03712) is known for its rugged construction and 88-inch lead wires with quick-connect terminals, ensuring a streamlined HVAC pressure switch replacement in tight condenser cabinets. By monitoring refrigerant discharge pressure, it prevents thermal overload and permanent damage during high-load conditions or airflow obstructions. This OEM Trane replacement part ensures the compressor high-pressure protection remains within factory specifications for long-term reliability.
Key Benefits- Engineered Precision: Calibrated with a 650 PSI trip and 500 PSI reset to maintain strict refrigerant system safety.
- Universal Compatibility: Direct replacement for several Trane high-pressure switches, including late-model SWT03273 iterations.
- Durable Infrastructure: Features an 88-inch yellow lead for flexible routing and resistance to vibration-induced wear.
- Rapid Response: SPST configuration ensures immediate interruption of the 24V or line voltage control loop.
- System Protection: Effectively mitigates risks associated with condenser fan motor failure or clogged coils.
How do I troubleshoot a high-pressure lockout with this switch?
First, verify condenser coil cleanliness and fan operation. Using a multimeter, check for continuity across the terminals; the Trane SWT3273 should show continuity (closed) unless the system pressure is currently above 650 PSI.
Is this switch a manual or automatic reset?
This specific model is an automatic reset pressure switch. It will automatically re-close the circuit once the system pressure drops back down to the 500 PSI threshold.
What causes the SWT3273 to trip frequently?
Frequent trips usually indicate non-condensables in the line, overcharging, or a failing outdoor fan motor. If the switch opens below 650 PSI, the internal bellows may be compromised, necessitating a genuine Trane part replacement.
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: $32.85
-65%$32.85
$11.50Trane SWT3273 Pressure Switch
The Trane SWT3273 Pressure Switch is a mission-critical high-pressure cutout switch engineered for heavy-duty commercial and residential integrated HVAC systems. Designed as a normally closed SPST safety device, this switch is a primary defense mechanism against system rupture and compressor failure. It features a precise 650 PSI opening point to interrupt the control circuit when head pressure exceeds safe limits, with a 500 PSI closing point for system reset. For veteran technicians, the SWT3273 (often cross-referenced as SWT03273 or SWT03712) is known for its rugged construction and 88-inch lead wires with quick-connect terminals, ensuring a streamlined HVAC pressure switch replacement in tight condenser cabinets. By monitoring refrigerant discharge pressure, it prevents thermal overload and permanent damage during high-load conditions or airflow obstructions. This OEM Trane replacement part ensures the compressor high-pressure protection remains within factory specifications for long-term reliability.
Key Benefits- Engineered Precision: Calibrated with a 650 PSI trip and 500 PSI reset to maintain strict refrigerant system safety.
- Universal Compatibility: Direct replacement for several Trane high-pressure switches, including late-model SWT03273 iterations.
- Durable Infrastructure: Features an 88-inch yellow lead for flexible routing and resistance to vibration-induced wear.
- Rapid Response: SPST configuration ensures immediate interruption of the 24V or line voltage control loop.
- System Protection: Effectively mitigates risks associated with condenser fan motor failure or clogged coils.
How do I troubleshoot a high-pressure lockout with this switch?
First, verify condenser coil cleanliness and fan operation. Using a multimeter, check for continuity across the terminals; the Trane SWT3273 should show continuity (closed) unless the system pressure is currently above 650 PSI.
Is this switch a manual or automatic reset?
This specific model is an automatic reset pressure switch. It will automatically re-close the circuit once the system pressure drops back down to the 500 PSI threshold.
What causes the SWT3273 to trip frequently?
Frequent trips usually indicate non-condensables in the line, overcharging, or a failing outdoor fan motor. If the switch opens below 650 PSI, the internal bellows may be compromised, necessitating a genuine Trane part replacement.
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
The Trane SWT3273 Pressure Switch is a mission-critical high-pressure cutout switch engineered for heavy-duty commercial and residential integrated HVAC systems. Designed as a normally closed SPST safety device, this switch is a primary defense mechanism against system rupture and compressor failure. It features a precise 650 PSI opening point to interrupt the control circuit when head pressure exceeds safe limits, with a 500 PSI closing point for system reset. For veteran technicians, the SWT3273 (often cross-referenced as SWT03273 or SWT03712) is known for its rugged construction and 88-inch lead wires with quick-connect terminals, ensuring a streamlined HVAC pressure switch replacement in tight condenser cabinets. By monitoring refrigerant discharge pressure, it prevents thermal overload and permanent damage during high-load conditions or airflow obstructions. This OEM Trane replacement part ensures the compressor high-pressure protection remains within factory specifications for long-term reliability.
Key Benefits- Engineered Precision: Calibrated with a 650 PSI trip and 500 PSI reset to maintain strict refrigerant system safety.
- Universal Compatibility: Direct replacement for several Trane high-pressure switches, including late-model SWT03273 iterations.
- Durable Infrastructure: Features an 88-inch yellow lead for flexible routing and resistance to vibration-induced wear.
- Rapid Response: SPST configuration ensures immediate interruption of the 24V or line voltage control loop.
- System Protection: Effectively mitigates risks associated with condenser fan motor failure or clogged coils.
How do I troubleshoot a high-pressure lockout with this switch?
First, verify condenser coil cleanliness and fan operation. Using a multimeter, check for continuity across the terminals; the Trane SWT3273 should show continuity (closed) unless the system pressure is currently above 650 PSI.
Is this switch a manual or automatic reset?
This specific model is an automatic reset pressure switch. It will automatically re-close the circuit once the system pressure drops back down to the 500 PSI threshold.
What causes the SWT3273 to trip frequently?
Frequent trips usually indicate non-condensables in the line, overcharging, or a failing outdoor fan motor. If the switch opens below 650 PSI, the internal bellows may be compromised, necessitating a genuine Trane part replacement.
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.
