How to Backwash a Sand Filter

In order to maintain good flow through your pool filtration system regular filter backwashing is necessary.

Backwashing should be performed at least monthly on a domestic pool and more often if the pool has heavy use.

Caution:

• Do Not operate the filter valve while the pool pump is running.
• Stay close to the power switch while keeping your body away from the filter.
• Keep a close watch on the filter pressure gauge.
  (If filter pressure is high, shut down immediately)

Steps:

1. Turn the pool pump power off.
2. Fully depress and turn the filter valve to backwash
3. Turn the pool pump power on for 1 to 3 minutes
   (Usually the discharge water is visible through a site glass, backwash until clear)
4. Turn the pool pump power off
5. Fully depress and turn the filter valve to rinse
6. Turn the pool pump power on for 30 seconds
7. Turn the pool pump power off.
8. Fully depress and turn the filter valve to Filter
9. Turn the pool pump power on for 30 seconds
10. Turn the Filtration Power back to auto

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