Four Seasons 20986 HVAC Binary Switch

Overview of Four Seasons Pressure Switch 20986

The Four Seasons Pressure Switch 20986 is designed for reliable HVAC system operation in Nissan vehicles, specifically the D21 and Pathfinder models. This system-mounted pressure switch helps maintain proper pressure levels to ensure efficient climate control performance.

• Rectangular female connector for secure electrical connection
• Gray color housing with steel construction for durability
• 3/8 in. x 24 male fitting thread size for precise system mounting
• Binary style pressure switch with two terminals
• Operates between 34 psi (off) and 35 psi (on) for accurate pressure control
• Meets or exceeds OEM specifications for Nissan D21 and Pathfinder HVAC systems

Detailed Product Description

The Four Seasons Pressure Switch 20986 is a binary HVAC pressure switch engineered to monitor and control pressure within the air conditioning system. Featuring a rectangular female connector and a male fitting with a 3/8 in. x 24 thread size, this switch mounts directly to the system for precise pressure sensing. Constructed from steel and finished in gray, it offers durability and corrosion resistance suitable for automotive HVAC environments. The switch operates by opening at 34 psi and closing at 35 psi, providing reliable on/off control to protect the system from pressure irregularities. With two terminals, it integrates seamlessly into the vehicle's electrical system.

Compatible Vehicles and Applications

This pressure switch is compatible with Nissan D21 and Pathfinder models, making it a suitable replacement part for maintaining HVAC system functionality in these vehicles. It is designed to replace OEM pressure switches and restore proper pressure monitoring and control within the air conditioning system.

• Prevents HVAC system damage due to abnormal pressure
• Helps avoid compressor failure by regulating pressure
• Ensures consistent air conditioning performance
• Reduces risk of system leaks caused by pressure fluctuations
• Maintains optimal climate control operation in Nissan D21 and Pathfinder

Installation Notes and Tips

When installing the Four Seasons Pressure Switch 20986, ensure the system is depressurized and the vehicle is turned off. The switch mounts directly to the HVAC system using the 3/8 in. x 24 male threaded fitting. Connect the rectangular female connector securely to the vehicle wiring harness. Verify the switch terminals are properly connected to avoid electrical faults. It is recommended to inspect the surrounding components for wear or damage during installation.

Quality Assurance and Warranty

The Four Seasons Pressure Switch 20986 meets or exceeds OEM standards for Nissan D21 and Pathfinder HVAC systems, ensuring reliable performance and durability. Manufactured with steel materials and designed for system mounting, this pressure switch is built to withstand automotive operating conditions. Four Seasons provides quality assurance on this part, supporting its compatibility and function within specified vehicle models.

About the Four Seasons Pressure Switch Product Line

The Four Seasons Pressure Switch product line focuses on delivering precise pressure monitoring components for automotive HVAC systems. These switches are designed to maintain system integrity by controlling pressure thresholds, preventing damage to compressors and other HVAC components. The Pressure Switch 20986 is part of this line, offering a binary switch style with specific operating pressures tailored for Nissan D21 and Pathfinder applications.