Four Seasons 37322 HVAC Pressure Switch

Reliable HVAC Pressure Switch for Vehicle Climate Control

The Four Seasons Pressure Switch part number 37322 is designed to maintain optimal HVAC system performance by monitoring pressure levels accurately. This system-mounted pressure switch ensures your vehicle's air conditioning and heating systems operate within safe pressure ranges.

• Brand: Four Seasons
• Brand Line: Pressure Switch
• Part Number: 37322
• Type: HVAC Pressure Switch with binary style operation
• Material: Durable steel construction
• Connector Gender: Female with 2 terminals
• Fitting Gender: Female with 10mm x 1.25 thread size
• Color: White
• Operating Pressure Range: Turns on at 29 PSI, off at 28 PSI
• System Mounted for direct pressure monitoring
• Meets or exceeds OEM specifications

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 engineered to provide accurate pressure sensing and switching to protect your vehicle’s air conditioning system from pressure-related failures. The 37322 pressure switch is part of this line, offering consistent performance and compatibility with various vehicle makes and models requiring a system-mounted pressure switch.

Detailed Product Description

The Four Seasons 37322 HVAC Pressure Switch is constructed from steel for durability and long service life. It features a female connector and fitting, both designed for secure and leak-free installation. The switch operates in a binary style, opening and closing at precise pressure points—turning on at 29 PSI and off at 28 PSI—to maintain system safety and efficiency. Its white color housing and two-terminal design facilitate easy identification and connection within the HVAC system. This pressure switch is system-mounted, allowing it to directly monitor refrigerant pressure and trigger system responses as needed.

Common Applications and Issues Addressed

• Prevents HVAC system damage due to abnormal pressure levels
• Ensures proper compressor cycling in vehicle air conditioning systems
• Helps avoid refrigerant leaks caused by pressure irregularities
• Maintains consistent cabin temperature control
• Protects against system shutdowns from pressure faults

Installation Notes and Tips

When installing the Four Seasons 37322 pressure switch, ensure the system is depressurized and cooled to avoid injury. Verify the 10mm x 1.25 female fitting thread matches your vehicle’s specifications. Connect the female connector securely to the HVAC wiring harness, confirming the two terminals are properly seated. System mounting is required for accurate pressure sensing, so install the switch in the designated location within the HVAC system. Consult your vehicle’s service manual for exact fitment and torque specifications.

Quality Assurance and Warranty

This Four Seasons HVAC Pressure Switch meets or exceeds OEM standards, ensuring reliable performance and durability. Manufactured with high-quality steel and tested for consistent operation at specified pressure points, part number 37322 is backed by Four Seasons’ quality assurance protocols. Please refer to Four Seasons’ official warranty documentation for specific coverage details.