Four Seasons 20961 A/C Condenser Fan Switch

Four Seasons 20961 Pressure Switch Overview

The Four Seasons Pressure Switch 20961 is a system-mounted A/C condenser fan switch built for pressure-based fan control in the HVAC circuit. It uses a brown rectangular 2-terminal male connector and an M12 x 1.50 female thread for a direct-fit service replacement on select Volvo applications.

Compatible With 1993-1998 Volvo 940, 960, S90, and V90 applications listed below, this Four Seasons 20961 pressure switch meets or exceeds OEM requirements and is built with a steel body for dependable system mounting.

Key Features

• Four Seasons Pressure Switch line for A/C condenser fan control
• Part number 20961 for service replacement identification
• System-mounted pressure switch design
• Brown rectangular connector with 2 terminals and male connector gender
• M12 x 1.50 female fitting thread size
• Steel construction
• Open fan operation with 240 psi open and 330 psi closed settings
• Meets or exceeds OEM specifications

Detailed Product Description

This Four Seasons 20961 A/C condenser fan switch monitors refrigerant pressure and helps control condenser fan operation within the HVAC system. The pressure-style switch is designed for system mounting and uses a rectangular brown connector to match the specified electrical connection. For Volvo owners searching for a Volvo 940 pressure switch, Volvo 960 pressure switch, Volvo S90 pressure switch, or Volvo V90 pressure switch, this part provides the listed fitment and OE-level specification match.

Four Seasons pressure switch 20961 is listed for 1993-1995 Volvo 940, 1993-1997 Volvo 960, and 1997-1998 Volvo S90 and V90 applications with hi-side mounted pressure switch notes where specified. This part cross-references UAC SW11220C for the same application.

What This Part Helps Address

• Condenser fan not cycling on at the correct pressure
• Incorrect A/C fan operation during high-side pressure changes
• Faulty pressure switch electrical signal in the HVAC circuit
• Pressure-related A/C performance issues on listed Volvo models
• Replacement needs for a worn or failed system-mounted switch

Installation Notes and Tips

Verify the connector shape, terminal count, thread size, and pressure settings before installation. Confirm the vehicle uses the listed hi-side mounted pressure switch application and inspect the electrical connector and fitting threads for wear or contamination before transfer to the new part. Use the vehicle service procedure for refrigerant system service and pressure switch replacement.

• Fits 1993-1995 Volvo 940, N/A, Hi-Side Mounted; High Speed; Pressure Switch
• Fits 1993-1997 Volvo 960, N/A, Hi-Side Mounted; High Speed; Pressure Switch
• Fits 1997-1998 Volvo S90, N/A, Hi-Side Mounted; Pressure Switch
• Fits 1997-1998 Volvo V90, N/A, Hi-Side Mounted; Pressure Switch

Quality Assurance

Four Seasons lists this pressure switch as meeting or exceeding OEM requirements, making it a specification-focused replacement for the original A/C condenser fan switch on the covered Volvo applications.