Some models include a dedicated position to isolate the tank for maintenance without stopping water flow to the rest of the facility. Installation Guidelines
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
Most manual heads feature a handle that rotates between three or four primary settings:
If you are not utilizing the backwash function, you must install a 1/2-inch plug in the backwash port.
The standard operating mode where water flows through the filter media to the house or application.
Standard heads typically fit most mineral tanks with a 2.5-inch #8 opening .
Directs water downward through the media to pack the bed back down and flush out any remaining debris or "fines" before returning to service.
