Four Seasons 20951 HVAC Pressure Transducer

Overview of Four Seasons Pressure Switch 20951

The Four Seasons Pressure Switch 20951 is a reliable HVAC pressure transducer designed for system-mounted applications. Engineered to meet or exceed OEM standards, this switch is compatible with a wide range of Chrysler, Dodge, Jeep, Plymouth, and Ram vehicles, including models like the Jeep Grand Cherokee, Dodge Ram 1500, and Chrysler 300M.

• Brand: Four Seasons
• Brand Line: Pressure Switch
• Part Number: 20951
• Connector Shape: Round
• Connector Gender: Female
• Fitting Gender: Male
• Fitting Thread Size: M10 x 1.25
• Number of Terminals: 3
• Material: Plastic and metal construction
• Weather Pack compatible connector
• Variable open/closed pressure operation
• System mounted installation

Four Seasons Pressure Switch Product Line Details

The Pressure Switch line from Four Seasons focuses on precision HVAC pressure transducers and switches designed for accurate system monitoring and control. The 20951 model is part of this line, offering a variable open/closed pressure function that ensures proper system response. This product line emphasizes durability and compatibility with factory specifications, making it suitable for various vehicle HVAC systems.

Detailed Product Description

The Four Seasons Pressure Switch 20951 is a system-mounted HVAC pressure transducer featuring a round, female connector and a male fitting with an M10 x 1.25 thread size. Constructed from a combination of plastic and metal materials, it is built to withstand typical automotive environmental conditions. The switch operates with a variable open/closed pressure mechanism, providing accurate pressure sensing for HVAC system control. It includes three terminals and is compatible with Weather Pack connectors, ensuring secure and weather-resistant electrical connections. This part may require the use of the 20954 switch harness for proper installation.

Common Applications and Issues Addressed

• HVAC system pressure monitoring and control
• Resolving intermittent or faulty pressure switch signals
• Preventing HVAC compressor cycling issues
• Addressing system pressure faults in Chrysler, Dodge, Jeep, Plymouth, and Ram vehicles
• Replacing worn or damaged pressure transducers in models like Jeep Wrangler and Dodge Charger

Installation Notes and Tips

• Ensure compatibility with your vehicle’s HVAC system before installation
• May require the use of the Four Seasons 20954 switch harness for proper connection
• Verify the M10 x 1.25 fitting thread size matches the system mount
• Handle the plastic and metal components carefully to avoid damage
• Check for secure Weather Pack connector engagement to prevent moisture intrusion

Quality Assurance and Warranty

The Four Seasons Pressure Switch 20951 meets or exceeds OEM specifications, ensuring reliable performance and durability. Manufactured with quality plastic and metal materials, this pressure transducer is designed for long-term use in demanding automotive HVAC environments. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship under normal use.