Four Seasons 37350 HVAC Pressure Switch

Reliable HVAC Pressure Switch for Vehicle Climate Control

The Four Seasons Pressure Switch 37350 is designed to maintain optimal HVAC system performance by monitoring pressure levels accurately. This system-mounted pressure switch is engineered to meet or exceed OEM specifications, ensuring dependable operation in various vehicle makes and models.

• Brand: Four Seasons
• Brand Line: Pressure Switch
• Part Number: 37350
• Type: HVAC Pressure Switch with binary style operation
• Material: Durable steel construction
• Connector: Female, oval shape with pin terminal type
• Color: Gray
• Fitting: Female thread size 10mm x 1.25
• Operating Pressure Range: Turns on at 40 PSI, off at 28 PSI
• Number of Terminals: 2
• Weather Pack compatible for secure connections
• System mounted for direct integration into HVAC systems

About the Four Seasons Pressure Switch Product Line

The Four Seasons Pressure Switch line focuses on precision and reliability in HVAC system components. This product line is tailored to provide accurate pressure monitoring and control, essential for maintaining proper refrigerant flow and system safety. The 37350 model exemplifies this with its robust steel construction and precise operating pressure thresholds, making it suitable for a range of automotive HVAC applications.

Detailed Product Description

The Four Seasons 37350 HVAC Pressure Switch is a system-mounted component designed to monitor refrigerant pressure within automotive air conditioning systems. Featuring a binary style operation, it activates at 40 PSI and deactivates at 28 PSI to protect the system from pressure extremes. The switch includes a female oval connector with pin terminals, ensuring a secure and weather-resistant connection compatible with Weather Pack systems. Its steel body and female 10mm x 1.25 threaded fitting provide durability and ease of installation. The gray color coding helps with quick identification during maintenance or replacement.

Common Applications and Issues Addressed

• Prevents compressor damage by monitoring refrigerant pressure
• Helps maintain consistent cabin temperature control
• Protects HVAC system from pressure-related failures
• Resolves intermittent HVAC system shutdowns due to pressure faults
• Ensures proper cycling of the air conditioning compressor

Installation Notes and Tips

When installing the Four Seasons Pressure Switch 37350, ensure the system is depressurized and the vehicle’s HVAC system is off. The female 10mm x 1.25 threaded fitting requires proper torque to avoid leaks. Verify the connector’s oval female pin terminals align correctly with the vehicle wiring harness, especially in Weather Pack compatible systems. System mounting location should be clean and free of debris to ensure accurate pressure readings.

Quality Assurance and Warranty

This Four Seasons HVAC Pressure Switch meets or exceeds OEM standards for fit, form, and function. Manufactured with high-quality steel and designed for durability, it supports reliable HVAC system operation. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.