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Part #: SW11218C

Universal Air SW11218C HVAC Binary Switch

Binary HPCO/LPCO Switch
⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Binary HPCO/LPCO Switch
🚗Fitment: Mazda, Miata
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Universal Air Binary HPCO/LPCO Switch

The Universal Air Binary HPCO/LPCO Switch (Part Number SW11218C) is designed specifically for HVAC systems in Mazda Miata vehicles. This HVAC binary switch plays a critical role in controlling heating and cooling operations, ensuring reliable climate control performance.

  • Compatible with Mazda Miata models
  • Part Number: SW11218C for precise identification
  • Binary HPCO/LPCO Switch type for HVAC applications
  • Controls high-pressure cut-off and low-pressure cut-off functions
  • Durable construction for consistent HVAC system operation

Product Line Details: Binary HPCO/LPCO Switch

The Binary HPCO/LPCO Switch is part of Universal Air's specialized product line focused on HVAC switches that manage high-pressure cut-off (HPCO) and low-pressure cut-off (LPCO) functions. This switch type is essential for maintaining system safety by preventing damage due to pressure irregularities. The Binary HPCO/LPCO Switch line is engineered to provide precise switching performance, making it suitable for automotive HVAC systems like those in the Mazda Miata.

Detailed Product Description

The SW11218C HVAC binary switch from Universal Air is engineered to monitor and control pressure levels within the HVAC system of Mazda Miata vehicles. By accurately detecting high and low pressure conditions, this switch helps protect the compressor and other components from potential damage. Its binary operation ensures clear on/off signals for system control modules, contributing to efficient climate regulation. This part is essential for maintaining the integrity and functionality of the vehicle’s heating and cooling system.

Common Applications and Issues Addressed

  • Prevents compressor damage due to abnormal pressure levels
  • Stops HVAC system operation during unsafe pressure conditions
  • Helps maintain consistent cabin temperature control
  • Reduces risk of system leaks or failures related to pressure faults
  • Supports overall HVAC system reliability in Mazda Miata vehicles

Installation Notes and Tips

  • Ensure compatibility with Mazda Miata before installation
  • Disconnect battery and relieve system pressure prior to replacement
  • Follow vehicle manufacturer guidelines for HVAC component replacement
  • Verify proper electrical connections to the binary switch
  • Test system operation after installation to confirm correct function

Quality Assurance and Warranty

Universal Air manufactures the SW11218C switch to meet industry standards for automotive HVAC components. While specific warranty details are not provided, Universal Air products typically undergo quality control testing to ensure durability and reliable performance in Mazda Miata HVAC systems.

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
1993MazdaMiataN/ABinary HPCO/LPCO Switch
1992MazdaMiataN/ABinary HPCO/LPCO Switch
1991MazdaMiataN/ABinary HPCO/LPCO Switch
1990MazdaMiataN/ABinary HPCO/LPCO Switch

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.