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How to Backwash a Sand Filter

Back Wash Instructions for SAND FILTER:

  • Turn breaker off or turn pump off
  • Wait 15 seconds for water to settle in the pump
  • Turn multiport head of sand filter to backwash
  • Unroll backwash hose
    • Make sure it is away from anything you do not want water on
  • Turn breaker back on or pump back on
  • Wait 15 to 30 seconds
  • STAY BY FILTER
  • Turn breaker back off or pump back off
  • Check pump basket for debris, if any, this is a good time to open the cover
  • Rotate multiport head of sand filter back to filtration
  • Turn breaker back on or pump back on

Clean Pressure is typically between 10psi to 25psi typically, only backwash if the pressure is 10psi above your clean pressure number.

Your clean pressure number may change over the years as the sand gets older. Pressure gauges should be replaced every year for proper reading.

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