This pressure switch adapter fitting is designed to install a pressure or safety switch inline with an A/C or refrigeration system using standard O-ring fittings. It allows a female-thread pressure switch to be mounted while maintaining proper sealing and flow through the system. Ideal for custom air conditioning plumbing, trinary or binary switch installations, and service-friendly layouts.

• 3/8" female O-ring inlet
• 3/8" male O-ring outlet
• Integrated female port for pressure switch installation
• Designed for use with binary or trinary pressure switches
• Allows clean, inline mounting of pressure switches
• Suitable for custom and aftermarket A/C systems
• Sold individually