Global Parts 1711495 HVAC Pressure Switch

HVAC Pressure Switch for Mazda Miata

Global Parts 1711495 is an HVAC pressure switch for vehicles that use binary pressure control in the A/C system. It provides electrical feedback to the engine management system and helps the system respond to refrigerant pressure changes on 1990-1993 Mazda Miata models.

• Binary normal-close HVAC pressure switch
• 3/8"-24 male thread connection
• High-pressure open at 265 psi
• High-pressure close at 380 psi
• Low-pressure open at 28 psi
• Direct-fit application for Mazda Miata HVAC pressure switch replacement

Detailed Application Information

This HVAC pressure switch is used in A/C pressure monitoring circuits where the ECM or compressor control logic needs pressure feedback. On 1990-1993 Mazda Miata vehicles, part number 1711495 is specified for binary operation pressure switch service. This part cross-references Four Seasons 20976 for the same application.

What It Helps Address

• A/C compressor shutdown caused by incorrect pressure switch operation
• Loss of pressure feedback to the engine management system
• Intermittent compressor cycling related to switch contact failure
• Protection logic faults in the HVAC pressure circuit
• Replacement needs on 1990-1993 Mazda Miata HVAC systems

Installation Notes and Tips

Verify the thread size and pressure specifications before installation. Confirm the connector and system design match the original HVAC pressure switch on the vehicle. After installation, check A/C operation and inspect the system for proper pressure response. Fits 1990-1993 Mazda Miata, N/A.

Quality Assurance

Global Parts 1711495 is built as an HVAC pressure switch replacement for pressure-controlled A/C systems. The listed operating points and binary normal-close design provide the specification reference needed for accurate service selection on Mazda Miata applications.