Four Seasons 37351 HVAC Binary Switch

Reliable Four Seasons Pressure Switch for HVAC Systems

The Four Seasons Pressure Switch part number 37351 is designed to maintain optimal HVAC system performance in various vehicle makes and models. This system-mounted pressure switch ensures accurate pressure monitoring and control, helping to protect your vehicle's air conditioning system.

Key Features of Four Seasons Pressure Switch 37351

• Terminal Type: Pin with 4 terminals for secure electrical connections
• Connector Shape: Round female connector for easy integration
• Color: Green for quick identification
• Material: Durable steel construction for long-lasting use
• Fitting Thread Size: 10mm x 1.25 female fitting thread
• Operates at low pressure thresholds: turns off at 270 PSI and on at 325 PSI
• Weather Pack compatible for enhanced environmental resistance
• Binary style switch with closed fan and compressor contacts
• Meets or exceeds OEM specifications for reliable performance

About the Four Seasons Pressure Switch Product Line

The Four Seasons Pressure Switch line focuses on HVAC binary switches designed to monitor and control pressure within automotive air conditioning systems. The 37351 model is a system-mounted pressure switch that provides precise pressure operation, ensuring the compressor and fan engage and disengage at the correct pressure points. This product line is engineered to meet or exceed OEM standards, making it suitable for a range of vehicle HVAC applications.

Detailed Product Description

This Four Seasons Pressure Switch 37351 features a pin terminal type with a round, female connector, facilitating straightforward installation and reliable electrical contact. The green color coding helps technicians quickly identify the part during maintenance. Constructed from steel, this pressure switch offers durability and resistance to wear. It is designed to operate within specific pressure ranges, turning off at 270 PSI and turning on at 325 PSI, which helps protect the HVAC system from pressure-related damage. The 10mm x 1.25 female fitting thread size allows for secure system mounting. Additionally, the switch is Weather Pack compatible, providing enhanced protection against environmental factors such as moisture and dust.

Common Applications and Issues Addressed

• Prevents compressor damage by monitoring system pressure
• Ensures proper fan operation to maintain optimal cooling
• Protects HVAC components from pressure-related failures
• Helps diagnose pressure-related HVAC system malfunctions
• Maintains system efficiency by controlling pressure thresholds

Installation Notes and Tips

When installing the Four Seasons Pressure Switch 37351, ensure the system is depressurized and the vehicle is turned off. Verify the 10mm x 1.25 female fitting thread matches the system port. Connect the round female pin connector securely to avoid electrical issues. Confirm the switch is mounted in the system location as specified to ensure accurate pressure readings. Use appropriate tools to avoid damaging the steel body or connector during installation.

Quality Assurance and Warranty

The Four Seasons Pressure Switch 37351 meets or exceeds OEM specifications, ensuring compatibility and reliable operation in compatible vehicle HVAC systems. Manufactured with durable steel and designed for system mounting, this pressure switch is built to last. Please refer to Four Seasons' warranty policy for specific coverage details.