Four Seasons 20955 HVAC Pressure Transducer

Overview of Four Seasons Pressure Switch 20955

The Four Seasons Pressure Switch 20955 is a reliable HVAC pressure transducer designed for system-mounted applications. Engineered to meet or exceed OEM standards, this pressure switch is compatible with various Buick, Chevrolet, Oldsmobile, and Pontiac models, including the Cavalier, Grand Prix, and Cutlass series.

• Connector Shape: Round
• Connector Gender: Female
• Fitting Gender: Female with 3/8 in. x 24 thread size
• Variable open/closed pressure operation
• Material composition: durable plastic and metal
• Three electrical terminals for secure connections
• System-mounted installation
• Includes one unit (part number 24606 included)

Four Seasons Pressure Switch Product Line Details

The Pressure Switch line by Four Seasons focuses on precision HVAC pressure transducers that ensure accurate system pressure monitoring and control. The 20955 model integrates seamlessly into vehicle HVAC systems, providing consistent performance and compatibility with multiple GM makes and models. This product line emphasizes OEM compliance and durable construction to maintain system integrity.

Detailed Product Description

The Four Seasons 20955 pressure switch is designed as a system-mounted transducer that monitors HVAC pressure levels with a variable open/closed function. Its round female connector and female fitting with a 3/8 in. x 24 thread size allow for secure and precise installation. Constructed from a combination of plastic and metal materials, this switch offers durability and reliable operation. The three-terminal design supports stable electrical connections, essential for accurate pressure sensing in automotive HVAC systems.

Common Applications and Issues Addressed

• Detecting abnormal pressure levels in HVAC systems
• Preventing compressor damage due to pressure irregularities
• Ensuring proper system cycling and operation
• Resolving intermittent HVAC system failures related to pressure sensing
• Maintaining consistent climate control performance in Buick, Chevrolet, Oldsmobile, and Pontiac vehicles

Installation Notes and Tips

• Ensure the system is depressurized before installation
• Verify thread compatibility with the 3/8 in. x 24 fitting size
• Connect the female round connector securely to avoid electrical faults
• Mount the switch in the designated system location for accurate pressure readings
• Consult vehicle-specific service manuals for torque specifications and wiring diagrams

Quality Assurance and Warranty

The Four Seasons Pressure Switch 20955 meets or exceeds OEM specifications, ensuring reliable performance and durability. Manufactured with high-quality plastic and metal components, this pressure transducer is built to withstand typical automotive HVAC system conditions. While specific warranty details are not provided, Four Seasons products generally come with a limited warranty covering defects in materials and workmanship.