Four Seasons 37301 HVAC Binary Switch

Four Seasons 37301 HVAC Binary Pressure Switch

Four Seasons Pressure Switch 37301 is a system-mounted HVAC binary switch built with a steel body, black finish, and a male connector with 2 terminals. It uses a 3/8 in. x 24 male fitting thread and is listed as open in the normal state, making it a direct-fit pressure switch for selected Honda and Isuzu applications.

Key Features

• Four Seasons Pressure Switch line for HVAC pressure monitoring
• Binary switch design with open comp open/closed state
• System-mounted configuration for direct HVAC system installation
• Male connector and male fitting with 3/8 in. x 24 thread size
• Steel construction with black housing
• Meets or exceeds OEM requirements
• Part number 37301 for catalog and fitment lookup

Product Details

This Four Seasons HVAC binary switch is used to monitor refrigerant pressure and signal the HVAC system when pressure conditions move outside the normal operating range. It is a direct replacement option for vehicles including 1990-1993 Honda Accord, 1992-1993 Honda Civic, 1993 Honda Civic del Sol, 1992 Honda Prelude, 1999-2000 Isuzu Amigo, and 1999-2004 Isuzu Rodeo. The Four Seasons 37301 pressure switch is built for system-mounted service and matches the listed connector and thread specifications for the application.

This part cross-references UAC SW10007C for the same application.

What It Is Used For

• Restoring HVAC pressure signal control when the original switch is faulty
• Addressing compressor cycling issues tied to pressure switch failure
• Correcting A/C cutout conditions caused by inaccurate pressure sensing
• Replacing a damaged or corroded system-mounted pressure switch
• Supporting proper HVAC operation on Honda Accord, Civic, Prelude, Amigo, and Rodeo applications

Installation Notes and Tips

Verify the connector style, male fitting thread size, and system-mounted location before installation. Confirm the vehicle application against the listed fitment for Honda Accord, Honda Civic, Honda Civic del Sol, Honda Prelude, Isuzu Amigo, and Isuzu Rodeo. Recover refrigerant and follow proper HVAC service procedures before removing or installing the pressure switch.

Quality Assurance

Four Seasons lists this pressure switch as meeting or exceeding OEM requirements. Part number 37301 is built to match the specified HVAC pressure switch application and fitment data provided for the listed vehicles.