Description
The Trane SWT3555 is a factory-engineered low pressure switch designed to protect refrigerant circuits in Trane HVAC systems from low-side pressure faults. With a precisely calibrated open set point of 24 PSI and a close set point of 45 PSI, this switch automatically interrupts compressor operation when suction-side pressure drops below the safe threshold — helping prevent compressor damage, refrigerant loss, and system inefficiency.
Built to Trane’s exacting OEM standards, the SWT3555 is a direct-fit replacement that ensures proper system integration and reliable long-term performance. Its rugged construction makes it well-suited for demanding commercial and residential HVAC applications.
Key Features
- Low pressure switch with open set point at 24 PSI
- Close (reset) set point at 45 PSI
- Protects compressor from low refrigerant pressure conditions
- OEM Trane replacement part for direct-fit installation
- Designed for reliable operation in refrigerant circuit protection applications
- Suitable for commercial and residential Trane HVAC systems
Specifications
- Part Number: SWT3555
- Brand: Trane
- Switch Type: Low Pressure
- Open Set Point: 24 PSI
- Close Set Point: 45 PSI
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