Four Seasons 35825 HVAC Pressure Switch

Reliable HVAC Pressure Switch for Vehicle Climate Control

The Four Seasons Pressure Switch 35825 is designed to maintain optimal HVAC system performance by monitoring pressure levels accurately. This system-mounted pressure switch is engineered to meet or exceed OEM specifications, ensuring dependable operation in various vehicle makes and models.

• Brand: Four Seasons
• Brand Line: Pressure Switch
• Part Number: 35825
• Type: HVAC Pressure Switch with high cut-out style
• Operating Voltage: 12V
• Connector: Wire lead with female fitting
• Fitting Thread Size: 7/16 in. x 20
• Material: Durable plastic and metal construction
• Number of Terminals: 2
• Pressure Operation Range: On at 200 PSI, Off at 300 PSI
• System Mounted Installation

About the Four Seasons Pressure Switch Product Line

The Four Seasons Pressure Switch product line focuses on precision pressure monitoring components for automotive HVAC systems. These switches are designed to provide accurate pressure cut-out and cut-in points to protect the system from damage and maintain efficient climate control. The 35825 model exemplifies this line’s commitment to quality and compatibility with a wide range of vehicle HVAC systems.

Detailed Product Description

The Four Seasons 35825 HVAC Pressure Switch is a system-mounted component that controls the pressure within the air conditioning system by opening and closing at specified pressure points. It features a high cut-out style, activating at 200 PSI and deactivating at 300 PSI to safeguard the system from overpressure conditions. The switch includes a wire lead connector with a female fitting thread size of 7/16 in. x 20, making it compatible with many automotive HVAC setups. Constructed from a combination of plastic and metal, this pressure switch offers durability and reliable performance under typical operating conditions. It operates on a 12-volt system and includes two terminals for secure electrical connections.

Common Applications and Issues Addressed

• Prevents compressor damage due to excessive pressure
• Maintains proper HVAC system pressure for efficient cooling
• Protects against system shutdown caused by pressure irregularities
• Ensures consistent air conditioning performance in vehicles
• Helps diagnose pressure-related HVAC system failures

Installation Notes and Tips

When installing the Four Seasons Pressure Switch 35825, ensure the system is depressurized and the vehicle’s electrical system is off. The switch mounts directly to the HVAC system and requires a 7/16 in. x 20 female fitting thread connection. Use the wire lead connectors to establish secure electrical connections, verifying polarity and terminal integrity. Proper torque on the fitting is essential to prevent leaks and ensure accurate pressure readings.

Quality Assurance and Warranty

This Four Seasons HVAC Pressure Switch meets or exceeds OEM standards for fit, form, and function. Manufactured with high-quality plastic and metal materials, it is designed for long-lasting durability. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in material and workmanship.