Product Overview
The Trane SWT04345 is an OEM pressure switch engineered to precise Trane specifications, featuring a –0.40 setpoint. Designed as a direct replacement component for Trane HVAC systems, this pressure switch monitors system pressure and helps protect equipment from operating outside safe parameters — ensuring reliable, consistent performance and long equipment life.
Key Features
- OEM Trane replacement pressure switch
- –0.40 pressure setpoint for accurate system monitoring
- Engineered to Trane factory specifications for direct fit and function
- Helps protect HVAC equipment from unsafe pressure conditions
- Supports proper system operation and equipment longevity
Application
The SWT04345 is a genuine Trane replacement pressure switch intended for use in compatible Trane heating and cooling systems. It is commonly used to monitor draft or airflow pressure, triggering safety shutdowns when pressure falls outside the designed operating range. Always verify compatibility with your specific Trane unit model before installation.
Why Choose OEM Trane Parts?
Using genuine OEM components like the Trane SWT04345 ensures proper fit, reliable operation, and maintained equipment warranties. Aftermarket substitutes may not meet the same precision standards, potentially compromising system safety and efficiency.








