Four Seasons 20926 HVAC Binary Switch

Four Seasons 20926 Pressure Switch Overview

The Four Seasons 20926 is a system-mounted HVAC binary pressure switch built for pressure-based control in the air conditioning circuit. It uses a 2-terminal open connector design with a male 3/8 in. x 24 fitting thread and a steel body for a direct replacement on supported Honda and Acura applications.

Compatible With 1986-1993 Acura Integra, 1988-1991 Honda Civic, 1988-1991 Honda CRX, 1988-1991 Honda Prelude, 1986-1989 Honda Accord, and 1986-1987 Acura Legend. This Four Seasons pressure switch is also identified by part number 20926 for cross-reference and catalog lookup.

Key Features

• Binary HVAC pressure switch for system pressure monitoring
• System-mounted design for direct installation in the A/C circuit
• Open connector shape with 2 terminals
• Male fitting with 3/8 in. x 24 thread size
• Steel construction for durable service
• Weather Pack connection support
• Meets or exceeds OEM requirements

Product Details

Four Seasons Pressure Switch 20926 is a pressure-actuated HVAC binary switch used to monitor refrigerant system pressure and signal the control circuit when pressure conditions move outside the normal operating range. The open-style connector, system-mounted layout, and OEM-level specification make it a practical replacement for vehicles that use this thread and terminal configuration. It is a direct-fit option for Honda Civic, Honda Accord, Honda CRX, Honda Prelude, Acura Integra, and Acura Legend applications listed in the fitment data.

This part cross-references UAC SW10001C for the same application.

What This Part Helps Address

• Compressor cycling caused by a failed pressure switch
• A/C system shutdown from incorrect pressure signal input
• Intermittent compressor engagement on supported Honda and Acura models
• Fault codes or electrical issues related to the HVAC pressure circuit
• Loss of pressure-based protection in the air conditioning system

Installation Notes and Tips

• Verify the connector shape, terminal count, and thread size before installation.
• Confirm the system-mounted location matches the original switch on the vehicle.
• Inspect the refrigerant circuit and electrical connector for damage before replacing the switch.
• Use the vehicle service procedure for proper A/C system handling and leak prevention.
• Match the replacement to the exact Honda or Acura application listed for the vehicle.

Quality Assurance

Four Seasons 20926 is listed as meeting or exceeding OEM requirements, making it a specification-based replacement for the supported Honda and Acura HVAC applications. The Four Seasons Pressure Switch line is built for direct replacement use in pressure-controlled air conditioning systems.