Four Seasons 20992 A/C Condenser Fan Switch

Four Seasons 20992 A/C Condenser Fan Switch

Four Seasons 20992 is a pressure-style A/C condenser fan switch for system-mounted applications. It is built with a gray rectangular 2-terminal male connector and a 12mm x 1.50 male fitting for direct replacement use on select Volvo HVAC systems.

Compatible with 1993-1997 Volvo 960 and 1993-1995 Volvo 940, this Four Seasons Pressure Switch is specified for hi-side mounted, low-speed condenser fan control. The Four Seasons Pressure Switch line focuses on accurate pressure-based operation for HVAC service work where the original switch has failed or is no longer cycling the fan correctly.

Key Features

• Brand: Four Seasons Pressure Switch line
• Part number: 20992
• Type: A/C condenser fan switch
• Pressure-style, system-mounted design
• Gray rectangular connector with 2 terminals
• Male connector and male fitting
• 12mm x 1.50 thread size
• Steel construction
• Open fan operation
• Meets or exceeds OEM specifications

Product Details

Four Seasons 20992 is a pressure switch used in the A/C condenser fan circuit to respond to refrigerant pressure changes and trigger fan operation at the specified thresholds. It is engineered for hi-side mounted, low-speed applications on Volvo 940 and Volvo 960 models, making it a direct-fit service part for common HVAC electrical and pressure-control repairs. If you are replacing a failed Volvo 960 A/C condenser fan switch or servicing a Volvo 940 pressure switch issue, this part number 20992 provides the correct connector, thread size, and mounting style for the listed vehicles.

This part cross-references UAC SW11221C for the same application.

Common Problems It Can Address

• A/C condenser fan not switching on at the correct pressure
• Intermittent fan operation during HVAC cycling
• Pressure switch electrical failure at the connector or terminals
• Incorrect condenser fan response on hi-side mounted systems
• Replacement need for a worn or damaged Volvo 940 / Volvo 960 pressure switch

Installation Notes and Tips

• Verify the 12mm x 1.50 male thread and 2-terminal connector before installation.
• Confirm the vehicle uses a hi-side mounted, low-speed pressure switch application.
• Inspect the connector and terminals for corrosion or heat damage before reconnecting.
• Recover refrigerant and follow proper HVAC service procedures before removing the switch.
• Check system operation after installation to confirm condenser fan engagement at the correct pressure points.

Quality Assurance

Four Seasons 20992 is listed as meeting or exceeding OEM requirements for the specified application. It is built as a steel pressure switch for HVAC service on select Volvo models, including the 1993-1997 Volvo 960 and 1993-1995 Volvo 940.