- 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
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.