Four Seasons 36576 A/C Condenser Fan Switch

Overview of Four Seasons Pressure Switch 36576

The Four Seasons Pressure Switch 36576 is designed for precise control of the A/C condenser fan in select Mercedes-Benz models. This system-mounted pressure switch ensures reliable operation of the condenser fan by monitoring refrigerant pressure levels, helping maintain optimal HVAC performance.

• Connector color: Green with wire lead shape
• Two male terminals for secure electrical connection
• Fitting thread size: 3/8 in. x 24 for proper system mounting
• Operates between 210 psi (off) and 270 psi (on) pressure range
• Constructed from durable plastic and metal materials
• Meets or exceeds OEM specifications for Mercedes-Benz vehicles
• Compatible with multiple Mercedes-Benz models including 300CE, 300D, 300E, 300SD, 300SE, 300SEL, 300SL, 300TE, 500SL, 600SL, SL60 AMG, SL320, SL500, and SL600

Four Seasons Pressure Switch Product Line Details

The Pressure Switch line by Four Seasons focuses on components that regulate HVAC system functions through pressure sensing. This particular pressure switch is engineered to activate or deactivate the condenser fan based on refrigerant pressure, contributing to efficient cooling system operation. The 36576 part number represents a system-mounted switch designed for compatibility with specific Mercedes-Benz models, ensuring precise fit and function.

Technical Description and Features

The Four Seasons Pressure Switch 36576 features a green connector with a wire lead shape and two male terminals, facilitating straightforward electrical connections. Its 3/8 in. x 24 fitting thread size allows for secure system mounting directly on the A/C condenser. The switch operates within a pressure range of 210 psi to turn off and 270 psi to turn on, providing accurate control of the condenser fan based on system pressure. Constructed from a combination of plastic and metal, this switch is built to withstand the demands of automotive HVAC environments. It is designed to open the fan circuit when pressure conditions are met, helping to protect the system and maintain proper cooling performance.

Applications and Problem Resolution

• Prevents condenser fan from running continuously, reducing unnecessary wear
• Helps avoid overheating of the A/C system by activating the fan at correct pressure levels
• Ensures proper cycling of the condenser fan in Mercedes-Benz 300 and SL series models
• Addresses issues related to inconsistent fan operation or failure to engage
• Supports maintaining optimal refrigerant pressure for efficient HVAC function

Installation Notes and Tips

When installing the Four Seasons Pressure Switch 36576, ensure the system is depressurized and the vehicle is off. The switch mounts directly to the system using the 3/8 in. x 24 thread fitting. Connect the green wire lead with the two male terminals securely to the corresponding wiring harness. Verify that the switch is properly seated and tightened to avoid leaks. After installation, test the A/C system to confirm the condenser fan operates within the specified pressure range of 210 to 270 psi.

Quality Assurance and Warranty

This Four Seasons Pressure Switch meets or exceeds OEM standards for fit, form, and function on compatible Mercedes-Benz models. Manufactured with durable plastic and metal components, it is designed for long-term reliability in automotive HVAC systems. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.