Four Seasons 37816 HVAC System Switch

Overview of Four Seasons Pressure Switch 37816

The Four Seasons Pressure Switch 37816 is a system-mounted HVAC component designed to monitor and control pressure levels within automotive air conditioning systems. Engineered with durable plastic and metal materials, this green-colored pressure switch ensures reliable operation in various vehicle HVAC applications.

• Brand: Four Seasons
• Brand Line: Pressure Switch
• Part Number: 37816
• Color: Green
• Type: Low cut-out pressure switch
• Operating Pressure Range: Turns on at 30 PSI, off at 10 PSI
• Connector: Female, oval shape with 2 terminals
• Fitting: Female thread size M12 x 1.50
• Material: Combination of plastic and metal
• Meets or exceeds OEM specifications
• System mounted installation

Detailed Product Description

The Four Seasons Pressure Switch 37816 is a critical HVAC system switch designed to maintain proper pressure levels by activating or deactivating at specified PSI thresholds. This low cut-out style switch operates by opening the circuit at 10 PSI and closing it at 30 PSI, helping to protect the air conditioning system from damage due to low refrigerant pressure. The switch features a female oval connector with two terminals, ensuring secure electrical connections. Its female fitting with an M12 x 1.50 thread size allows for straightforward system mounting. Constructed from a combination of plastic and metal, this pressure switch offers durability and reliable performance under typical automotive operating conditions.

About the Four Seasons Pressure Switch Product Line

The Pressure Switch line from Four Seasons focuses on precision-engineered HVAC system switches that meet or exceed OEM standards. These switches are designed to provide accurate pressure monitoring and control within vehicle air conditioning systems, ensuring system efficiency and protection. The 37816 part number is part of this line, offering a dependable solution for low pressure cut-out applications in various automotive HVAC setups.

Common Applications and Issues Addressed

• Prevents compressor damage by shutting off at low refrigerant pressure
• Maintains proper system pressure to optimize air conditioning performance
• Protects HVAC components from pressure-related failures
• Helps diagnose pressure-related HVAC system faults
• Ensures system safety by controlling pressure cut-out thresholds

Installation Notes and Tips

When installing the Four Seasons Pressure Switch 37816, ensure the system is depressurized and the vehicle’s HVAC system is off. The female M12 x 1.50 threaded fitting should be securely mounted in the designated system location. Verify the oval female connector with two terminals is properly connected to avoid electrical faults. This switch is compatible with various vehicle makes and models that require a low cut-out pressure switch with these specifications. Consult the vehicle’s service manual for exact fitment and torque specifications.

Quality Assurance and Warranty

Four Seasons Pressure Switch 37816 meets or exceeds OEM quality standards, providing reliable performance and durability. Manufactured with high-quality plastic and metal materials, this switch is designed for long service life in automotive HVAC systems. Warranty coverage details should be confirmed with the parts distributor or vehicle manufacturer, as Four Seasons typically offers limited warranties on their HVAC components.