TOPGUY Multi-choice valve Function Description:
1. FILTER (Normal filtration and vacuuming
2. BACKWASH (Cleaning filter by reversing the flow)
3. RINSE (Used after backwash to flush dirt from valve)
4. WASTE (By-passes filter, used for vacuuming to waste or lowering water level)
5. RECIRCULATE (By-passes filter for circulating water to pool)
6. CLOSED (Shuts off all flow to filter or pool)
7. WINTERIZE (This device is used to prevent freezing) (ONLY EIGHT POSITION)
8. SERVICE (The sorew on the handle should be replaced when repairing) ((ONLY EIGHT POSITION)