Four Seasons 35827 HVAC Pressure Switch

HVAC Pressure Switch Overview

Four Seasons 35827 is a system-mounted HVAC pressure switch for automotive air conditioning systems. This high cut-out pressure switch uses a wire lead connection, a 12-volt electrical setup, and a female 7/16 in. x 20 fitting to monitor refrigerant pressure and trigger the circuit at the specified operating point.

Built with a plastic and metal construction and finished in green, Four Seasons Pressure Switch 35827 meets or exceeds OEM requirements. It is a direct-fit style pressure switch for vehicles that use a 2-terminal, wire-lead HVAC pressure switch with an open compressor circuit at high pressure.

Key Features

• Four Seasons Pressure Switch part number 35827
• High cut-out HVAC pressure switch for system-mounted applications
• 12-volt design with 2 terminals
• Wire lead connector and wire lead connector shape
• Female fitting with 7/16 in. x 20 thread size
• Open compressor circuit configuration
• Operate high off pressure: 315 psi
• Operate high on pressure: 215 psi
• Plastic / metal construction
• Meets or exceeds OEM specifications

Product Details

Four Seasons 35827 is a pressure switch used in automotive HVAC systems to monitor refrigerant pressure and control compressor operation. The high cut-out design helps the system respond when pressure reaches the specified threshold, supporting proper A/C system control on vehicles that require this style of switch. If you are replacing a worn or failed HVAC pressure switch on a Chevrolet Silverado, Ford F-150, or Dodge Ram application that uses this configuration, this part number should be matched to the original connector, thread size, and pressure settings before installation.

This part cross-references UAC SW9053C and Remy 14468 for the same application. Four Seasons 35827 is also referenced by multiple interchange numbers in the aftermarket, which helps when verifying an OE-style replacement by part number.

Common Problems This Part Can Address

• Air conditioning compressor cycling incorrectly due to pressure switch failure
• A/C system shutdown caused by an open or inaccurate pressure signal
• High-pressure cutoff issues in the HVAC control circuit
• Electrical connection problems at the wire-lead switch interface
• Replacement needs for a damaged or leaking system-mounted pressure switch

Installation Notes and Tips

Confirm the original switch uses a female 7/16 in. x 20 fitting, a 2-terminal wire-lead connection, and the same high cut-out pressure specification before installation. Match the compressor control logic and pressure thresholds to the vehicle’s original HVAC setup, especially on fitments for Chevrolet Silverado, Ford F-150, and Dodge Ram platforms. Verify the system is properly evacuated and serviced according to A/C procedures before removing or installing the switch.

Quality Assurance

Four Seasons 35827 is manufactured to meet or exceed OEM requirements for pressure-switch performance and fit. The Four Seasons Pressure Switch line is built for direct replacement use in automotive HVAC systems where accurate pressure control is required.