Trane SWT4049 Pressure Switch R-407A supporting optimal mechanical efficiency in

supporting optimal mechanical efficiency in both commercial and residential units

scale buildup from high humidity

this remote mounted sensor provides critical monitoring of combustion byproducts

Rugged Construction: Built to withstand high-pressure environments and critical tolerances required for long-term refrigeration cycles

Trane SWT4049 Pressure Switch R-407A supporting optimal mechanical efficiency inThe Trane SWT4049 High Pressure Switch is a critical safety component designed for precise refrigerant circuit monitoring in residential and light commercial HVAC systems. As a genuine OEM Trane replacement part, this pressure actuated switch is engineered to protect the compressor from catastrophic failure by interrupting the electrical circuit when discharge pressure exceeds safe operating parameters. Utilizing a factory calibrated set point, the