Product Description

Mastercool manufactures a complete line of shut-off valves for containment of refrigerant. EPA requires shut-off valves within 12 inches of the charging hose ends to prevent unnecessary venting of refrigerant. Using shut-off valves is much safer than allowing refrigerant to blow out during service.

Simple valve screws onto hose end. Available in straight and 90° models. Meets SAE, EPA and UL requirements for containment of refrigerant.

<< Quick Disconnect: No Loss of Refrigerant >>

90333-R: 90° 1/4″ FL-M x 1/4″ FL-F
90333-UV: 90° 1/4″ FFL x 13mm
90335-R: Straight 1/4″ FL-M x 1/4″ FL-F
90337: Straight 1/4″ FL-M x 3/16″ FL-F


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