Trane SWT02973 24V Pressure Switch,-1.33 Open – 1.52 Close

The Trane SWT02973 24V Pressure Switch,-1.33 Open – 1.52 Close is a Trane pressure switch for HVAC repair and replacement work. Use it when the part number SWT02973 and the listed specifications match the equipment being serviced.

SWT02973 is an official OEM 24V Pressure Switch;-1.33 Open – 1.52 Close for Trane HVAC equipment.

Key Specs

• Voltage: 24V
• Product Type: Pressure Switch

Fitment Notes

Captured equipment fit data references models including ADC1B080A9421AB, ADC1B080A9421AC, ADX1B080A9421AB, ADX1B080A9421AC, ADX1B080A9H31AB, ADX1B080A9H31BA, ADX1B080A9H31BB, CDX1B080A9421AB, CDX1B080A9421AC, M951P085CD48AAA, TDC1B080A9421AB, TDC1B080A9421AC. Verify the complete unit model and service manual before installation.

Expert Verdict

Reviewed by the SuperArbor Pro Desk: choose this part when the existing component label and unit documentation match SWT02973 and the spec set above. It is best suited for targeted HVAC service repairs where exact fitment matters more than broad universal compatibility.

FAQs

What is the Trane SWT02973 used for?

It is a pressure switch for compatible Trane HVAC equipment. Match the part number SWT02973 and the equipment service literature before ordering or installing.

Which specs should I verify before purchase?

Verify the spec set shown for this part: Voltage: 24V; Product Type: Pressure Switch. The replacement should match the existing component and the unit documentation.

Does the electrical rating need to match exactly?

Yes. Confirm voltage rating 24V against the failed component label. Do not substitute a different rating unless the equipment manufacturer allows it.

Which equipment models are referenced in the fit data?

Captured fit data references models such as ADC1B080A9421AB, ADC1B080A9421AC, ADX1B080A9421AB, ADX1B080A9421AC, ADX1B080A9H31AB, ADX1B080A9H31BA. Treat this as a fitment aid and verify the complete model list in the equipment documentation.

Who should install this HVAC component?

A qualified HVAC technician should install and test the pressure switch. Disconnect power first, follow lockout procedures, and confirm safe operation after replacement.

Safety and Installation Notes

Disconnect power before service. HVAC electrical and combustion-related components should be installed and tested by a qualified technician. After installation, confirm wiring, mounting, airflow or fluid routing as applicable, and normal system operation.