Description
Trane SWT3543 SPST High Pressure Switch — Brazed
The Trane SWT3543 is a Single Pole Single Throw (SPST) high pressure switch engineered for reliable high-side pressure protection in commercial and residential HVAC and refrigeration systems. Featuring a brazed connection for a secure, leak-resistant installation, this OEM Trane component is designed to shut down compressor operation when system pressure exceeds safe operating limits — helping prevent costly equipment damage and extending system service life.
Key Features
- SPST (Single Pole Single Throw) switching configuration
- Brazed connection for durable, leak-resistant installation
- High pressure cut-out protection for refrigeration and HVAC systems
- OEM Trane replacement part for accurate fit and performance
- Protects compressors from high-side pressure overloads
- Designed for reliable, long-term operation in demanding HVAC environments
Application
The SWT3543 is ideal for use in Trane air conditioning, heat pump, and refrigeration equipment where high-side pressure monitoring is required. It serves as a safety control that interrupts the circuit when pressure rises above the rated setpoint, safeguarding the compressor and refrigerant circuit from damage caused by excessive pressure conditions.
Why Choose OEM Trane Parts?
Using genuine Trane OEM components like the SWT3543 ensures compatibility, reliability, and warranty compliance. Avoid costly callbacks and comebacks by installing the part engineered specifically for your Trane equipment.
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