Four Seasons 20056 HVAC Cut-Off Switch

Overview of Four Seasons Pressure Switch 20056

The Four Seasons Pressure Switch 20056 is a system-mounted HVAC cut-off switch designed for select Ford, Mazda, and Mercury vehicles. Engineered to meet or exceed OEM specifications, this yellow pressure switch ensures reliable operation within your vehicle's air conditioning system.

• Compatible with Ford Escape, Mazda Tribute, Mercury Mariner, Ford Taurus, and Mercury Sable
• Low cut-out style with operate PSI low off at 11 and on at 22
• Female connector and fitting with M12 x 1.50 thread size
• Durable plastic and metal construction with two terminals
• Connector shape is round and female gender

Detailed Product Description

The Four Seasons Pressure Switch 20056 is a pressure-activated HVAC cut-off switch designed to protect your vehicle's air conditioning system by monitoring refrigerant pressure levels. This switch operates in an open state and is system-mounted for optimal performance. It features a female connector and fitting, both with a round shape and M12 x 1.50 thread size, ensuring secure and precise installation. The switch activates at a low pressure cut-out, turning off at 11 PSI and turning on at 22 PSI, which helps maintain proper system function and prevents damage due to low refrigerant pressure.

This part is constructed from a combination of plastic and metal materials, providing durability and resistance to typical automotive environmental conditions. The two-terminal design supports reliable electrical connections, and the yellow color aids in easy identification during maintenance or replacement.

About the Four Seasons Pressure Switch Product Line

The Pressure Switch line from Four Seasons focuses on pressure-sensitive components that regulate HVAC system operation by monitoring refrigerant pressure. These switches are designed to meet or exceed OEM standards, ensuring compatibility and reliable performance across various vehicle makes and models. The 20056 part number is a representative example, offering precise pressure cut-off functionality for select Ford, Mazda, and Mercury vehicles.

Common Applications and Issues Addressed

• Prevents compressor damage by cutting off operation at low refrigerant pressure
• Helps maintain consistent air conditioning system performance
• Protects against system overpressure or underpressure conditions
• Resolves HVAC system failures related to faulty pressure sensing
• Supports proper cycling of the air conditioning compressor

Installation Notes and Tips

• Ensure compatibility with your vehicle model: Ford Escape, Mazda Tribute, Mercury Mariner, Ford Taurus, or Mercury Sable
• Verify the M12 x 1.50 thread size matches your system fittings
• Use the included harness connector [37235] for proper electrical connection
• System mount the switch securely to avoid vibration or loosening
• Check for proper operation by monitoring pressure cut-off points at 11 PSI (off) and 22 PSI (on)

Quality Assurance and Warranty

The Four Seasons Pressure Switch 20056 meets or exceeds OEM quality standards, ensuring dependable performance and durability. Manufactured with high-quality plastic and metal materials, this switch is designed for long-term use in demanding automotive HVAC environments. Warranty coverage details should be confirmed with the product documentation or supplier.