Why does my filter run at a high filter pressure and has reduced water flow to the pool?
• A dirty filter maybe the problem. When the filter pressure rises 8-10 PSI over the clean starting pressure, it is time to backwash or clean the filter • If there is algae in the pool, it maybe clogging the filter, keeping the pressure high. The filter cannot kill algae. Contact your Authorized Hayward Dealer for proper chemical applications. • If the filter pressure continues to run high with reduced water flow to the pool, the pump may be moving more water than the filter is designed to handle. Check the flow ratings of both the pump and filter to ensure they are sized correctly. • You may have a blocked or plugged return line. Contact your local Hayward dealer for service.
