Four Seasons 20975 HVAC Binary Switch

Reliable Pressure Switch for Mitsubishi HVAC Systems

The Four Seasons Pressure Switch 20975 is designed to maintain optimal HVAC system performance in select Mitsubishi vehicles. Engineered for system-mounted installation, this pressure switch ensures accurate pressure monitoring and control for models like the Mitsubishi 3000GT, Diamante, Galant, Mirage, Montero, and Montero Sport.

• Brand: Four Seasons
• Brand Line: Pressure Switch
• Part Number: 20975
• Type: HVAC Binary Pressure Switch
• Connector Gender: Female
• Fitting Gender: Male with 3/8 in. x 24 thread size
• Material: Steel construction for durability
• Color: Red
• Number of Terminals: 2
• Operating Pressure Range: Turns on at 33 PSI, off at 28 PSI
• Meets or exceeds OEM specifications

About the Four Seasons Pressure Switch Product Line

The Four Seasons Pressure Switch line focuses on precision HVAC binary switches designed for system-mounted applications. These switches provide reliable pressure sensing and control, helping maintain proper refrigerant pressure levels within the HVAC system. The 20975 model is part of this line, engineered to meet or exceed OEM standards for Mitsubishi vehicles, ensuring compatibility and consistent performance.

Detailed Product Description

This HVAC binary pressure switch features a durable steel body with a red finish and a female connector for secure electrical connections. The male fitting with a 3/8 in. x 24 thread size allows for straightforward system mounting. It operates within a pressure range that activates the switch at 33 PSI and deactivates it at 28 PSI, providing precise control over the HVAC system's pressure. The switch includes two terminals and is designed to be a direct replacement for the original equipment, meeting or exceeding OEM quality standards.

Common HVAC Issues Addressed by This Pressure Switch

• Inconsistent HVAC system pressure causing inefficient cooling or heating
• Failure to engage or disengage compressor due to faulty pressure sensing
• System shutdowns triggered by incorrect pressure readings
• Leaks or pressure drops affecting HVAC performance
• Electrical connection failures in the pressure switch assembly

Installation Notes and Tips

• Ensure the system is depressurized before removing the old pressure switch
• Verify thread size and fitting gender compatibility (3/8 in. x 24 male fitting)
• Use proper torque specifications to avoid damage during installation
• Check electrical connections for secure fit with the female connector
• Test system pressure after installation to confirm proper switch operation

Quality Assurance and Warranty

The Four Seasons Pressure Switch 20975 is manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. Constructed from steel and designed for system-mounted applications, this switch undergoes quality control testing to maintain consistent operation. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship under normal use.