Four Seasons 37352 HVAC Pressure Switch

Reliable HVAC Pressure Switch for Vehicle Climate Control

The Four Seasons Pressure Switch part number 37352 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 standards, ensuring dependable operation in various vehicle makes and models.

• Brand: Four Seasons
• Brand Line: Pressure Switch
• Part Number: 37352
• Color: Black
• Type: HVAC Pressure Switch with high cut-out style
• Connector: Male, round shape with pin terminals (2 terminals)
• Fitting: Female thread size 10mm x 1.25
• Material: Durable plastic and metal construction
• Weather Pack compatible for enhanced environmental resistance
• Operating pressure range: On at 256 PSI, off at 370 PSI
• System mounted for direct integration

Four Seasons Pressure Switch Product Line Overview

The Four Seasons Pressure Switch line focuses on precision and reliability in HVAC system components. This product line includes pressure switches designed to monitor and control refrigerant pressure, protecting the system from damage due to abnormal pressure conditions. The 37352 model exemplifies this with its high cut-out style and robust construction, suitable for a range of automotive HVAC applications.

Detailed Product Description

The Four Seasons 37352 HVAC Pressure Switch is a system-mounted component that plays a critical role in regulating refrigerant pressure within the vehicle’s air conditioning system. Featuring a black plastic and metal body, this switch uses a female fitting with a 10mm x 1.25 thread size for secure installation. The male round connector with two pin terminals ensures reliable electrical connectivity, compatible with harness connector 37227. Designed to operate at a high cut-out pressure style, it activates at 256 PSI and deactivates at 370 PSI, providing precise pressure control to prevent system overpressure or underpressure conditions.

Common Applications and Issues Addressed

• Prevents HVAC system damage caused by excessive refrigerant pressure
• Ensures proper compressor cycling by monitoring pressure thresholds
• Helps maintain consistent cabin temperature control
• Protects against system shutdowns due to pressure faults
• Compatible with various vehicle makes and models requiring a 10mm x 1.25 pressure switch

Installation Notes and Tips

When installing the Four Seasons 37352 pressure switch, ensure the system is depressurized and the vehicle is off. The switch mounts directly to the HVAC system using the female 10mm x 1.25 threaded fitting. Connect the male round connector securely to the corresponding harness connector (part number 37227) to maintain proper electrical contact. Verify the switch terminals are clean and free of corrosion before installation. Proper torque specifications should be followed to avoid damage to the fitting or switch body.

Quality Assurance and Warranty

This Four Seasons HVAC Pressure Switch meets or exceeds OEM specifications, ensuring compatibility and reliable performance. Constructed from durable plastic and metal materials, it is designed to withstand typical automotive environmental conditions. The product includes a weather pack connector for enhanced resistance to moisture and contaminants. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship under normal use.