The standard operating mode where water flows through the filter media to the house or application.
Most manual heads feature a handle that rotates between three or four primary settings: Manual Backwashing Tank Head
Hand-tighten the head onto the tank until the O-ring makes solid contact, then tighten another 1/4 to 1/3 turn . Do not use the handle to tighten the head. Operational Maintenance Manual Backwashing Valves - SWT The standard operating mode where water flows through