Product Description
The Thermo King High Pressure Switch (Part Numbers 41-6356 and 42-0708) is a vital safety and control component for Thermo King truck refrigeration units. This precision-engineered switch monitors the refrigerant pressure inside the system and protects the compressor from damage caused by excessive pressure levels. When high pressure is detected, the switch automatically activates to shut down or regulate the refrigeration cycle, ensuring safe operation and preventing costly failures.
Built with OEM-grade materials, this switch offers consistent performance in demanding conditions, making it ideal for long-haul refrigerated trucks, trailers, and vans that operate in a variety of temperature environments. Whether used as a replacement during routine maintenance or as part of an emergency repair, it helps maintain reliable cooling performance and extends the lifespan of the refrigeration system.
Product Advantages
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Reliable Pressure Monitoring – Provides accurate high-pressure detection to maintain system safety and performance.
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Compressor Protection – Automatically shuts down the system when refrigerant pressure exceeds safe limits, preventing costly damage.
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OEM Quality & Fit – Manufactured to Thermo King standards to ensure easy installation and perfect compatibility with original units.
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Durable Construction – Resistant to vibration, temperature fluctuations, and refrigerant exposure for long-term service.
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Wide Application Range – Suitable for various Thermo King truck units, ensuring flexible use across multiple models.
Installation Instructions
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Disconnect Power – Always turn off the refrigeration unit and disconnect the battery before starting installation.
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Locate the Pressure Port – Find the high-pressure line connection point on the refrigeration system where the switch is installed.
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Remove the Old Switch – Carefully detach the existing high pressure switch and check the O-ring or sealing surface for damage.
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Install the New Switch – Thread the Thermo King 41-6356 / 42-0708 switch securely into place, ensuring a proper seal.
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Reconnect Electrical Connector – Attach the electrical harness and ensure a tight, moisture-resistant connection.
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System Test – Power on the unit and perform a pressure test to confirm proper operation.
Note: Professional installation is recommended to maintain system integrity and warranty compliance.
Product Attributes
| Specification | Details |
|---|---|
| Product Name | High Pressure Switch |
| Part Numbers | 41-6356 / 42-0708 |
| Brand | Thermo King |
| Function | Monitors and regulates refrigerant high pressure |
| Application | Thermo King truck refrigeration units |
| Material | High-durability brass and electronic components |
| Pressure Range | OEM-specified high-pressure safety limits |
| Connection Type | Threaded port with electrical connector |
| Condition | 100% Brand New, OEM-Quality Replacement |
| Package | Standard export-safe packaging |
| Operating Environment | Suitable for heavy-duty truck refrigeration systems in extreme climates |
This Thermo King High Pressure Switch (41-6356 / 42-0708) is the ideal replacement part to maintain the safety, efficiency, and long-term reliability of your truck refrigeration unit. Whether you are performing scheduled maintenance or an urgent repair, this high-quality component ensures consistent cooling performance and protects your valuable cargo.