Pioneer Mini Split 5/16 in. R410a Low Side Suction Charging Service Gauge Hose Set Port

The blue hose connects to the service port on the unit and then the yellow hose connects to your vacuum pump. The blue hose is 5/16 in. ready to connect to the outdoor unit. The yellow is 1/4 in. for most vacuum pumps. The depicted valve isolates the gauge itself. This gauge also comes with a diagram on the packaging box.

• Includes a 2 ft. L blue hose with a 5/16 in. SAE connector
• 2 ft. L yellow hose designed with a 1/4 in. SAE connector
• Low-side charging manifold with R410A low-side pressure gauge