Four Seasons 20961 A/C Condenser Fan Switch

Overview of Four Seasons Pressure Switch 20961

The Four Seasons Pressure Switch 20961 is designed for precise control of the A/C condenser fan in select Volvo models. Engineered to meet or exceed OEM specifications, this system-mounted pressure switch ensures reliable operation within the HVAC system of Volvo 940, 960, S90, and V90 vehicles.

• Compatible with Volvo 940, 960, S90, and V90 models
• System-mounted pressure switch for A/C condenser fan control
• Steel construction with M12 x 1.50 female fitting thread size
• Rectangular brown male connector with 2 terminals
• Operates between 240 psi (off) and 330 psi (on)
• Meets or exceeds OEM quality standards

Four Seasons Pressure Switch Product Line

The Pressure Switch line by Four Seasons focuses on delivering reliable pressure-activated components for automotive HVAC systems. This product line includes switches designed to regulate condenser fan operation based on system pressure, helping maintain optimal cooling performance. The 20961 part is a key component within this line, providing accurate pressure sensing and switching functionality tailored for Volvo vehicles.

Detailed Product Description

The Four Seasons Pressure Switch 20961 features a durable steel body with a female fitting thread size of M12 x 1.50, ensuring secure installation in the A/C condenser system. Its rectangular brown connector is male with two terminals, designed for straightforward electrical connection. This pressure switch operates by opening the fan circuit at 240 psi and closing it at 330 psi, effectively controlling the condenser fan based on system pressure. The system-mounted design allows for direct integration into the HVAC assembly, supporting consistent performance and longevity.

Common Applications and Issues Addressed

• Regulates condenser fan operation in Volvo 940, 960, S90, and V90 models
• Prevents A/C system overheating by activating the fan at correct pressure levels
• Helps avoid compressor damage due to improper pressure control
• Ensures efficient cooling performance under varying load conditions
• Replaces faulty or worn pressure switches causing fan malfunction

Installation Notes and Tips

• Verify compatibility with Volvo 940, 960, S90, or V90 before installation
• Ensure system is depressurized before removing the old pressure switch
• Use appropriate tools to install the M12 x 1.50 female fitting securely
• Check electrical connections for proper seating of the rectangular brown male connector
• Test system pressure and fan operation after installation to confirm functionality

Quality Assurance and Warranty

The Four Seasons Pressure Switch 20961 is manufactured to meet or exceed OEM standards, providing reliable performance in demanding automotive HVAC environments. Constructed from steel and designed for system-mounted installation, this part offers durability and consistent operation. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.