Mastercool 90263 1/4" x 1/4" Manual Shut-Off Valve

The Mastercool 90263 is a professional-grade manual shut-off valve designed for HVAC/R service and refrigeration applications. This straight configuration valve features 1/4" SAE male flare connections on both ends, providing a reliable way to isolate refrigerant flow during system maintenance, diagnostics, or component replacement.

Key Features:

• 1/4" SAE male flare fittings on both inlet and outlet for standard HVAC connections
• Straight-through design for minimal flow restriction when open
• Manual quarter-turn ball valve operation for positive shut-off control
• Blue anodized aluminum body for corrosion resistance and easy identification
• Suitable for use with common refrigerants in automotive and HVAC systems
• Compact design allows installation in tight spaces

This shut-off valve is an essential tool for technicians who need to control refrigerant flow without recovering the entire system charge. The durable construction and positive sealing design ensure reliable performance in demanding service environments.