Backwashing Tank Head — Manual
The standard operating mode where water flows through the filter media to the house or application.
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 Manual Backwashing Tank Head
Use only Teflon tape on threaded fittings; liquid thread sealants or PVC glues can damage the plastic head. The standard operating mode where water flows through
Directs water downward through the media to pack the bed back down and flush out any remaining debris or "fines" before returning to service. Operational Maintenance Manual Backwashing Valves - SWT Use
Some models include a dedicated position to isolate the tank for maintenance without stopping water flow to the rest of the facility. Installation Guidelines
A manual backwashing tank head is a non-electric control valve used to manage water flow through media filtration vessels, such as FRP tanks . It allows users to manually switch between service, backwash, and rinse positions to maintain media performance.
Most manual heads feature a handle that rotates between three or four primary settings: