Open second valve is an objective in the Side Quest, The Homestead Part 3 in Borderlands 3
- From the first valve, head over to the right and through opening between the machine and the wall.
- Jump the gap between platforms and turn to the left.
- Go along the right-hand wall platform to reach the next platform.
- Climb up the small ramp nearby and jump onto the ledge above.
- Drop to the ground and head over to the nearby wheel valve.