System-dependent or passive recovery equipment is characterized by what behavior?

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System-dependent or passive recovery relies on the refrigerant system’s own pressure to move the refrigerant, so the recovery container isn’t being pressurized by the device itself. The refrigerant is captured into a container that remains non-pressurized by the recovery unit, rather than being pumped into a pressurized cylinder. This contrasts with active recovery, which uses its own motor to push refrigerant into a pressurized collection container.