Trane SWT4155 Pressure Switch 326058-756 acting as a critical failsafe

acting as a critical failsafe by interrupting the burner circuit during low water conditions while simultaneously managing boiler feed pump cycles

Common Questions Is a new burner door required for this installation

making it a reliable choice for field technicians using 18 to 24 AWG wiring

This unit is a three-wire thermostat application typically requiring R

This transformer is widely used in Lennox LGA120

Trane SWT4155 Pressure Switch 326058-756 acting as a critical failsafeAs a technician, you know that protecting the compressor from low side pressure drops is non negotiable for system longevity. The Trane SWT4155 Pressure Switch is a high precision low pressure cut out switch engineered to monitor refrigerant levels and prevent catastrophic compressor failure due to loss of charge or evaporator freeze ups. This genuine Trane OEM replacement part ensures the tight tolerances required for high efficiency commercial HVAC