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Trane SWT03251 High Pressure Cutout Switch

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3  Reviews Add Your Review
Special Price $101.95 Regular Price $141.95
In stock
SKU
SWT03251
The Trane SWT03251 High Pressure Cutout Switch is an essential control component to check the pressure levels of refrigerant when it is used in HVAC Systems. This switch works on the basis of breaking the electrical circuit when the pressure exceeds a certain range of values, eliminating the stress on equipment and the imbalance of the system. It is applied in commercial air conditioning systems, heat pumps, and packaged systems. This component is part of the overall system concept, which controls pressure protection logic, which assists in providing controlled shutdown and stable operating conditions throughout the common HVAC uses.
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HVAC Controls & Electrical, Switches, Pressure Switches
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Product Questions (2)
Customer Questions
What maintenance is required for the Trane SWT03251 High Pressure Cutout Switch?

Inspect the switch regularly for dust, corrosion, or physical damage on terminals and connections. Ensure wiring is tight and insulation is intact. Keeping the switch clean and secure helps maintain proper system pressure monitoring. Always disconnect power before servicing.

What are common issues with the Trane SWT03251 High Pressure Cutout Switch?

  • Switch failing to trip at set pressure.
  • Intermittent or erratic operation.
  • Corrosion or damaged terminals.
  • Leaks at the connection points.

Installation Steps

Step1: Turn off power and relieve system pressure before starting.

Step2: Remove the faulty pressure switch and disconnect electrical wiring.

Step3: Install the new switch and connect wiring to matching terminals.

Step4: Secure tightly to prevent refrigerant or air leaks.

Step5: Restore power and test system to confirm proper pressure cutoff operation.

Step6: Follow refrigerant handling and electrical safety precautions during installation.