Trane SWT2980 Pressure Switch
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Trane SWT2980 Pressure Switch

Trane SWT2980 Pressure Switch

The Trane SWT2980 Pressure Switch is an essential OEM safety component designed for precise monitoring of combustion and airflow conditions within high-efficiency Trane and American Standard furnaces. This dual pressure switch configuration ensures that the draft inducer motor is moving a sufficient volume of air to safely exhaust flue gases before ignition occurs, protecting the heat exchanger from damage and preventing the accumulation of dangerous gases. As the direct equivalent to SWT02980, this assembly features a compact housing that integrates multiple sensing points into a single footprint, simplifying field replacement in tight cabinets.

Engineered for electrical reliability, the Trane SWT2980 operates at 24VAC and features high-side and low-side setpoints calibrated for modern condensing furnace requirements. The high side is configured to open at 1.79" WC and close at 2.12" WC, while the low side opens at 0.97" WC and closes at 1.19" WC. Its SPDT/SPST contact configuration and durable diaphragm design withstand the continuous cycling and thermal fluctuations typical of residential and light commercial HVAC environments. For technicians diagnosing a short cycling furnace or a no-heat call, this genuine part secures system performance without the compatibility risks associated with universal replacements.

Key Benefits

  • Broad Compatibility: Fully interchangeable with part number SWT02980 for seamless integration into existing Trane equipment.
  • Precision Calibration: Factory-set trip points ensure accurate furnace pressure switch testing results and consistent operation.
  • Dual Sensor Logic: High-and-low side monitoring provides a comprehensive safety check of both inducer performance and flue vent integrity.
  • Industrial Grade Build: Features a rugged construction that resists moisture and debris common in HVAC ventilation systems.
  • Simplified Installation: Standardized mounting bracket and 1/4 inch quick-connect terminals reduce time on the job site.

Common Questions

What causes a "pressure switch stuck open" error?
This usually indicates an obstruction in the flue vent, moisture in the sensing tubing, or a failing inducer motor. If the vacuum pressure is checked with a manometer and meets the SWT2980 setpoints but the switch still fails to close, the internal diaphragm or electrical contacts may be faulty.

Can I use this to replace a single-stage pressure switch?
No. This is a dual-element switch specifically calibrated for systems requiring multiple pressure sensing points. Always verify the part number against your factory wiring diagram or service manual before installation.

How do I test the SWT2980 during a service call?
Using a multimeter set to Ohms, check for continuity across the terminals while the inducer is under load. If you measure high resistance or an open circuit while the system is under proper vacuum, the switch is defective and requires replacement to restore safe furnace ignition.

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.

$40.77

Original: $116.48

-65%
Trane SWT2980 Pressure Switch

$116.48

$40.77

Trane SWT2980 Pressure Switch

The Trane SWT2980 Pressure Switch is an essential OEM safety component designed for precise monitoring of combustion and airflow conditions within high-efficiency Trane and American Standard furnaces. This dual pressure switch configuration ensures that the draft inducer motor is moving a sufficient volume of air to safely exhaust flue gases before ignition occurs, protecting the heat exchanger from damage and preventing the accumulation of dangerous gases. As the direct equivalent to SWT02980, this assembly features a compact housing that integrates multiple sensing points into a single footprint, simplifying field replacement in tight cabinets.

Engineered for electrical reliability, the Trane SWT2980 operates at 24VAC and features high-side and low-side setpoints calibrated for modern condensing furnace requirements. The high side is configured to open at 1.79" WC and close at 2.12" WC, while the low side opens at 0.97" WC and closes at 1.19" WC. Its SPDT/SPST contact configuration and durable diaphragm design withstand the continuous cycling and thermal fluctuations typical of residential and light commercial HVAC environments. For technicians diagnosing a short cycling furnace or a no-heat call, this genuine part secures system performance without the compatibility risks associated with universal replacements.

Key Benefits

  • Broad Compatibility: Fully interchangeable with part number SWT02980 for seamless integration into existing Trane equipment.
  • Precision Calibration: Factory-set trip points ensure accurate furnace pressure switch testing results and consistent operation.
  • Dual Sensor Logic: High-and-low side monitoring provides a comprehensive safety check of both inducer performance and flue vent integrity.
  • Industrial Grade Build: Features a rugged construction that resists moisture and debris common in HVAC ventilation systems.
  • Simplified Installation: Standardized mounting bracket and 1/4 inch quick-connect terminals reduce time on the job site.

Common Questions

What causes a "pressure switch stuck open" error?
This usually indicates an obstruction in the flue vent, moisture in the sensing tubing, or a failing inducer motor. If the vacuum pressure is checked with a manometer and meets the SWT2980 setpoints but the switch still fails to close, the internal diaphragm or electrical contacts may be faulty.

Can I use this to replace a single-stage pressure switch?
No. This is a dual-element switch specifically calibrated for systems requiring multiple pressure sensing points. Always verify the part number against your factory wiring diagram or service manual before installation.

How do I test the SWT2980 during a service call?
Using a multimeter set to Ohms, check for continuity across the terminals while the inducer is under load. If you measure high resistance or an open circuit while the system is under proper vacuum, the switch is defective and requires replacement to restore safe furnace ignition.

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 SWT2980 Pressure Switch is an essential OEM safety component designed for precise monitoring of combustion and airflow conditions within high-efficiency Trane and American Standard furnaces. This dual pressure switch configuration ensures that the draft inducer motor is moving a sufficient volume of air to safely exhaust flue gases before ignition occurs, protecting the heat exchanger from damage and preventing the accumulation of dangerous gases. As the direct equivalent to SWT02980, this assembly features a compact housing that integrates multiple sensing points into a single footprint, simplifying field replacement in tight cabinets.

Engineered for electrical reliability, the Trane SWT2980 operates at 24VAC and features high-side and low-side setpoints calibrated for modern condensing furnace requirements. The high side is configured to open at 1.79" WC and close at 2.12" WC, while the low side opens at 0.97" WC and closes at 1.19" WC. Its SPDT/SPST contact configuration and durable diaphragm design withstand the continuous cycling and thermal fluctuations typical of residential and light commercial HVAC environments. For technicians diagnosing a short cycling furnace or a no-heat call, this genuine part secures system performance without the compatibility risks associated with universal replacements.

Key Benefits

  • Broad Compatibility: Fully interchangeable with part number SWT02980 for seamless integration into existing Trane equipment.
  • Precision Calibration: Factory-set trip points ensure accurate furnace pressure switch testing results and consistent operation.
  • Dual Sensor Logic: High-and-low side monitoring provides a comprehensive safety check of both inducer performance and flue vent integrity.
  • Industrial Grade Build: Features a rugged construction that resists moisture and debris common in HVAC ventilation systems.
  • Simplified Installation: Standardized mounting bracket and 1/4 inch quick-connect terminals reduce time on the job site.

Common Questions

What causes a "pressure switch stuck open" error?
This usually indicates an obstruction in the flue vent, moisture in the sensing tubing, or a failing inducer motor. If the vacuum pressure is checked with a manometer and meets the SWT2980 setpoints but the switch still fails to close, the internal diaphragm or electrical contacts may be faulty.

Can I use this to replace a single-stage pressure switch?
No. This is a dual-element switch specifically calibrated for systems requiring multiple pressure sensing points. Always verify the part number against your factory wiring diagram or service manual before installation.

How do I test the SWT2980 during a service call?
Using a multimeter set to Ohms, check for continuity across the terminals while the inducer is under load. If you measure high resistance or an open circuit while the system is under proper vacuum, the switch is defective and requires replacement to restore safe furnace ignition.

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.

Trane SWT2980 Pressure Switch | GSIstore