Four Seasons 36575 A/C Condenser Fan Switch

Overview of Four Seasons Pressure Switch 36575

The Four Seasons Pressure Switch 36575 is a system-mounted A/C condenser fan switch designed for select Mercedes-Benz models. This pressure switch helps regulate the operation of the condenser fan by monitoring refrigerant pressure, ensuring efficient HVAC system performance.

• Connector color: Red with wire lead shape
• Two male terminals for secure electrical connection
• Fitting thread size: 3/8 in. x 24
• Operates between 155 psi (off) and 220 psi (on)
• Constructed from durable plastic and metal materials
• Meets or exceeds OEM specifications
• Compatible with various Mercedes-Benz models including 190E, 300E, 560SEL, and others

Four Seasons Pressure Switch Product Line Details

The Pressure Switch line from Four Seasons focuses on reliable pressure-activated components for automotive HVAC systems. The 36575 model is part of this line, engineered to provide precise fan control based on system pressure. This ensures the condenser fan operates only when necessary, contributing to optimal cooling performance and system longevity.

Technical Description and Features

The Four Seasons Pressure Switch 36575 is a pressure-style condenser fan switch that mounts directly to the system. It features a red wire lead connector with two male terminals, facilitating straightforward installation and electrical connection. The switch activates the condenser fan when refrigerant pressure reaches 220 psi and deactivates it at 155 psi, maintaining proper system pressure and preventing overheating. Its 3/8 inch by 24 thread size allows for secure mounting, and the combination of plastic and metal materials ensures durability under typical operating conditions.

Applications and Common Issues Addressed

• Prevents condenser fan from running continuously, reducing wear
• Helps avoid overheating of the A/C system in Mercedes-Benz 300E and 560SEL models
• Ensures proper fan activation in 190E and 300SL vehicles for efficient cooling
• Maintains system pressure to protect compressor and other HVAC components
• Resolves intermittent fan operation issues related to faulty pressure switches

Installation Notes and Tips

When installing the Four Seasons Pressure Switch 36575, 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 red wire lead with the two male terminals securely to the corresponding wiring harness. Verify proper seating and tightness to prevent leaks. After installation, test the A/C system to confirm the condenser fan activates and deactivates at the correct pressure thresholds.

Quality Assurance and Warranty

This Four Seasons Pressure Switch 36575 meets or exceeds OEM standards for fit, form, and function. Manufactured with quality plastic and metal components, it is designed for durability and reliable operation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in material and workmanship.