Description
The Trane SEN1540 Ambient Sensor Assembly is a genuine OEM temperature sensing component designed to accurately monitor the ambient air temperature in HVAC systems. This compact ambient sensor provides critical temperature feedback to your system’s control board, enabling precise climate regulation and improved comfort performance throughout the home or business. It helps ensure your heating and cooling equipment operates efficiently by continuously sensing the surrounding air and relaying accurate temperature data for optimal system response.
Key Features
- Accurate Temperature Monitoring: Continuously measures ambient air temperature to support responsive HVAC control and consistent comfort.
- OEM Trane Quality: Built to original Trane specifications for reliable fit and long service life.
- Compact & Durable Design: Small form factor and robust construction allow flexible installation in a variety of Trane HVAC applications.
- Essential Control Feedback: Provides the control board with vital environmental data to help improve energy efficiency and system performance.
- Replacement Option: Although SEN1540 has been discontinued by the manufacturer, it may be replaced by SEN01540 in some catalogs with the same function.






