How to Backwash a Sand Filter

• Turn pump off.
• Turn multiport valve to backwash position.
• Open backwash gate valve ( if any ).
• Turn pump on and run it for 2 minutes.
• Turn pump off.
• Turn multiport to filter or rinse position.
• Turn pump on and run it for 1 minute.
• Turn pump off.
• Turn multiport valve to backwash position.
• Turn pump on and run it for 2 minutes.
• Turn pump off.
• Turn multiport valve to filter or rinse position.
• Turn pump on and run it for 1 minute.
• Turn pump off.
• Turn multiport valve to filter position.
• Close backwash gate valve (if any) & turn pump on.
• Check pool water level after backwashing - add more water if necessary !