Trane SWT3173 Pressure Switch 326058-758 This Johnson Controls T-4000 series

This Johnson Controls T-4000 series component is a critical replacement part for maintaining legacy pneumatic automation systems

Broad Compatibility: Matches factory specifications for 1

The integrated internal shunt allows for continuous circuit monitoring and simplified wiring in specific control configurations

This 1/2-ton capacity valve is specifically factory-calibrated for R404A refrigerant

Trane SWT3173 Pressure Switch 326058-758 This Johnson Controls T-4000 seriesProfessionals in the field know that maintaining circuit integrity in Trane refrigeration and cooling systems requires precise actuation. The Trane SWT3173 Pressure Switch is a high performance low pressure cutout switch engineered to safeguard compressors from catastrophic failure due to loss of charge or restricted flow. As a Genuine Trane OEM replacement, this component ensures immediate response when system pressure reaches the 250 PSI open