Four Seasons 20947 HVAC Binary Switch

Overview of Four Seasons Pressure Switch 20947

The Four Seasons Pressure Switch 20947 is designed for precise pressure monitoring in HVAC systems of select Honda vehicles. This system-mounted binary switch ensures reliable operation by opening at a low pressure of 31 PSI, making it suitable for maintaining optimal HVAC performance in Honda Accord, CR-V, Fit, and Odyssey models.

• Compatible with Honda Accord, CR-V, Fit, and Odyssey
• System-mounted pressure switch with 11mm x 1.00 male fitting thread size
• Gray, round male connector with two terminals
• Operates as a binary switch opening at 31 PSI low pressure
• Constructed from durable steel material
• Weather Pack connector for secure and weather-resistant connection
• Meets or exceeds OEM specifications

Detailed Product Description

The Four Seasons Pressure Switch 20947 belongs to the Pressure Switch product line, which focuses on reliable pressure sensing components for automotive HVAC systems. This HVAC binary switch features a round, gray male connector designed for system-mounted installation. Its steel construction ensures durability under typical operating conditions. The switch operates by opening at a low pressure threshold of 31 PSI, providing accurate pressure monitoring to protect the HVAC system. The fitting includes a male thread size of 11mm x 1.00, compatible with the specified Honda models. The Weather Pack connector design enhances resistance to environmental factors, ensuring consistent electrical connectivity.

Common Applications and Issues Addressed

• Detects low refrigerant pressure to prevent compressor damage
• Maintains proper HVAC system pressure for efficient cooling and heating
• Prevents system operation under unsafe pressure conditions
• Replaces faulty or worn pressure switches in Honda Accord, CR-V, Fit, and Odyssey
• Helps diagnose HVAC pressure-related system failures

Installation Notes and Tips

• Ensure the system is depressurized before installation to avoid injury
• Verify the 11mm x 1.00 male thread size matches the vehicle’s system port
• Connect the gray round male connector securely to prevent electrical faults
• Check for proper switch operation by monitoring pressure response after installation
• Use OEM or equivalent tools to avoid damage to the fitting or connector

Quality Assurance and Warranty

The Four Seasons Pressure Switch 20947 meets or exceeds OEM standards, ensuring compatibility and reliable performance in Honda Accord, CR-V, Fit, and Odyssey HVAC systems. Constructed from steel and equipped with a Weather Pack connector, this switch is built to withstand typical automotive environmental conditions. While specific warranty details are not provided, Four Seasons products generally adhere to industry quality standards for durability and function.