OTC Tools 18190A R134a Low Side Quick Coupler - Blue

The OTC Tools 18190A is a professional-grade low side quick coupler designed for R134a automotive air conditioning service. This essential A/C service component features a color-coded blue design that corresponds to the low pressure side of R134a systems, helping prevent incorrect connections during refrigerant recovery, evacuation, and recharge procedures.

Key Features:

• Quick-connect coupler for fast, secure attachment to R134a low side service ports
• Blue color coding for easy identification of low pressure side connections
• Durable brass construction for long-lasting performance in professional shop environments
• Automatic shut-off valve prevents refrigerant loss during connection and disconnection
• Compatible with standard R134a service hoses and manifold gauge sets
• Designed to meet SAE J2888 standards for R134a service equipment

This coupler is an essential component for automotive technicians performing A/C system maintenance and repair. The quick-connect design saves time during service procedures while the automatic valve ensures minimal refrigerant loss and exposure. Built to OTC's professional tool standards for reliable performance in high-volume shop use.