Four Seasons 36571 HVAC Binary Switch

Overview of Four Seasons Pressure Switch 36571

The Four Seasons Pressure Switch 36571 is designed for precise pressure monitoring in automotive HVAC systems. This system-mounted binary switch is compatible with select BMW models, including the 318i, 318is, 325e, 325es, 325i, 325is, 325iX, and M3, ensuring reliable operation within your vehicle's climate control system.

• Rectangular female connector for secure electrical connection
• Black steel construction for durability and corrosion resistance
• 7/16 in. x 20 female fitting thread size for system mounting
• Binary style switch with two terminals for pressure open/closed detection
• Meets or exceeds OEM specifications for fit and function

Detailed Product Description

The Four Seasons Pressure Switch 36571 is a pressure-type HVAC binary switch engineered to monitor system pressure and provide open or closed signals accordingly. Featuring a rectangular female connector and a female fitting with a 7/16 in. x 20 thread size, this switch mounts directly to the HVAC system. Constructed from steel and finished in black, it offers durability and resistance to environmental factors. The switch includes two terminals and operates in an open state under normal pressure conditions. This part is designed to meet or exceed original equipment manufacturer (OEM) standards, ensuring compatibility and reliable performance in BMW vehicles such as the 318i, 318is, 325e, 325es, 325i, 325is, 325iX, and M3.

About the Four Seasons Pressure Switch Product Line

The Pressure Switch line from Four Seasons focuses on HVAC system components that monitor and regulate pressure within automotive climate control systems. These switches are designed to provide accurate pressure detection and reliable electrical signaling to maintain system efficiency and safety. The 36571 model is part of this line, offering a system-mounted solution with precise fitment and OEM-level quality for BMW vehicles.

Common Applications and Issues Addressed

• Detecting low or high pressure conditions in the HVAC system
• Preventing compressor damage due to improper pressure levels
• Ensuring proper operation of air conditioning and heating functions
• Resolving intermittent HVAC system failures related to pressure sensing
• Replacing faulty or worn pressure switches in BMW 3 Series models

Installation Notes and Tips

When installing the Four Seasons Pressure Switch 36571, ensure the system is depressurized and the vehicle is turned off. The female fitting with 7/16 in. x 20 thread size allows for straightforward system mounting. Verify the rectangular female connector aligns properly with the vehicle wiring harness to avoid connection issues. Tighten fittings securely to prevent leaks but avoid over-tightening to protect threads. Consult the vehicle service manual for specific torque specifications and safety precautions.

Quality Assurance and Warranty

This Four Seasons Pressure Switch 36571 is manufactured to meet or exceed OEM standards, providing dependable performance and fitment. Constructed from durable steel and tested for quality, it supports long-term operation in demanding automotive environments. Warranty coverage details should be confirmed with the product documentation or supplier, ensuring peace of mind with your purchase.