Description
Keep your furnace safe and operating correctly with the Trane SWT2521 Pressure Switch — a genuine OEM replacement designed for use in Trane heating, ventilation, and air conditioning systems. This pressure switch monitors air pressure inside the furnace and ensures proper airflow before allowing ignition or blower operation, helping protect the system and maintain efficient performance.
Key Features
- OEM Quality: Genuine Trane replacement part built to original manufacturer specifications for reliable fit and performance.
- Pressure Setting: Activates at 0.94″ WC for accurate airflow monitoring.
- Switch Type: SPST (Single‑Pole, Single‑Throw) for simple on/off pressure control.
- Connection: Barb connection for straightforward hose attachment.
- Application: Safety and control pressure switch for Trane furnaces and HVAC units.
- Ensures proper inducer motor and airflow before ignition
- Helps prevent unsafe furnace operation due to incorrect pressure
- OEM design for precise compatibility and long service life
- Simple install for HVAC professionals and technicians






