Four Seasons 37552 A/C Trinary Switch

Reliable A/C Trinary Pressure Switch for Hyundai and Kia Vehicles

The Four Seasons Pressure Switch 37552 is a system-mounted trinary pressure switch designed to maintain optimal HVAC system performance. Engineered for select Hyundai and Kia models, this part ensures precise pressure regulation within your vehicle's air conditioning system.

Key Features of Four Seasons Pressure Switch 37552

• Compatible with Hyundai Elantra, Sonata, Tiburon, Tucson and Kia Optima, Sedona, XG300, XG350
• System mounted trinary pressure switch with 4 blade terminals
• Durable plastic and metal construction in black color
• 3/8 in. x 24 fitting thread size for secure installation
• Female rectangular connector with Weather Pack design for reliable connections
• Operates at multiple pressure points: low (28-36 psi), medium (160-220 psi), and high (370-455 psi)
• 12-volt electrical system compatibility

Detailed Description of the Four Seasons Pressure Switch 37552

This Four Seasons Pressure Switch 37552 is a trinary pressure switch that plays a critical role in the HVAC system by monitoring refrigerant pressure at three distinct levels: low, medium, and high. Its system-mounted design allows for direct integration with the A/C clutch and compressor assembly. The switch features a 3/8 inch by 24 thread fitting, ensuring a secure and leak-free connection. The black plastic and metal housing provides durability and resistance to environmental factors, while the Weather Pack female rectangular connector with four blade terminals ensures a stable electrical connection resistant to moisture and corrosion. This part is specifically engineered for 12-volt systems commonly found in Hyundai and Kia vehicles, including the Elantra, Sonata, Tiburon, Tucson, Optima, Sedona, XG300, and XG350 models.

About the Four Seasons Pressure Switch Product Line

The Four Seasons Pressure Switch product line focuses on delivering reliable pressure sensing components for automotive HVAC systems. These switches are designed to protect the A/C compressor by monitoring refrigerant pressure and preventing operation outside safe pressure ranges. The Pressure Switch line includes trinary switches like part number 37552, which provide multi-level pressure detection to enhance system safety and efficiency.

Common Issues Addressed by This A/C Trinary Pressure Switch

• Prevents compressor damage due to abnormal refrigerant pressure
• Stops A/C system operation during low refrigerant conditions
• Protects against high-pressure buildup in the A/C system
• Ensures proper cycling of the A/C clutch for efficient cooling
• Helps maintain consistent HVAC system performance in Hyundai and Kia vehicles

Installation Notes and Tips

When installing the Four Seasons Pressure Switch 37552, ensure the system is depressurized and the vehicle’s electrical system is off. The 3/8 in. x 24 thread fitting requires proper torque to avoid leaks. Connect the female rectangular Weather Pack connector securely to prevent moisture intrusion. Verify compatibility with your specific Hyundai or Kia model before installation to ensure proper fitment and function.

Quality Assurance and Warranty Information

Four Seasons manufactures the Pressure Switch 37552 to meet OEM specifications, using durable plastic and metal materials for long-lasting performance. This part is designed to withstand typical automotive environmental conditions, including exposure to moisture and temperature variations. Warranty details should be confirmed with the point of purchase or manufacturer documentation.