Universal Air SW11423C HVAC Pressure Switch

Universal Air SW11423C Low Pressure Switch

The Universal Air SW11423C is an HVAC pressure switch used in air conditioning control circuits to monitor low-side system pressure. It is a direct-fit style service part for technicians replacing a failed low pressure switch in automotive HVAC systems.

Key Features

• Brand: Universal Air
• Product line: Low Pressure Switch
• Part number: SW11423C
• HVAC pressure switch for A/C system pressure monitoring
• Built for automotive heating and air conditioning service

Product Details

Universal Air SW11423C is an HVAC pressure switch in the Low Pressure Switch product line, used to monitor refrigerant pressure and help the air conditioning control system respond to low-pressure conditions. It is a practical replacement for service work on vehicles such as Honda Civic and Toyota Camry applications where the original low pressure switch has failed. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues It Can Address

• A/C compressor not engaging due to a faulty low pressure switch
• Intermittent air conditioning operation from unstable pressure signal input
• HVAC system shutdown triggered by an open or inaccurate switch
• Diagnostic trouble related to low refrigerant pressure sensing
• Poor cooling performance caused by switch-related control faults

Installation Notes and Tips

Verify the original switch connector, thread style, and system pressure requirements before installation. Recover refrigerant and follow proper HVAC service procedures before removing the existing switch. After installation, inspect for leaks and confirm normal compressor cycling and system operation.

Quality Assurance

Universal Air HVAC components are selected for automotive service applications where accurate pressure control is required. Confirm part number SW11423C against the vehicle’s original switch specification before ordering.