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The Trane SWT03774 0.05"WC SPST Pressure Switch is designed for Trane HVAC equipment. This genuine OEM air pressure switch monitors airflow or draft conditions in Trane heating and cooling systems, protecting key components. It fits into pressure tubing lines with standard connections for easy maintenance.
Genuine Trane OEM replacement part ensures proper fit and function for monitoring airflow and pressure in HVAC systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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