Look for a clog if your pool filter pump does not work, pumps water slowly or doesn't effectively clean the pool. Pool filter pump manufacturers recommend looking at a few sources to identify a clog or what seems to affect the pump similar to a clog. What you may think is a clog can be another issue. Once the problem is identified, the manufacturers recommend solutions to resolving it.
Check the Filter
A pool filter may clog when the filter is dirty or damaged. Open the cover on the pump; the filter usually sits in the middle. Remove the filter and check if it appears dirty or damaged. Try spraying the filter with a water hose before replacing it. If the dirt doesn't easily come off the filter or it shows signs of damage, you may need to replace it.
You may find the source of the clog in the intake hose. Clear the obstruction by discharging the hose into the pool. Reinstall the hose and check if the pump works correctly.
Intake Line Leak
If the intake line is not clogged, you may still find the source of the problem there if the hose has a leak. Looks for any signs of damage on the hose. Replace the hose if you find damage. Replacement hoses are available through your pool or filter dealer or pool supply retailers.
Other Sources of Clogs
Filter pumps and pools come with specific instructions on how to install the nozzle and strainer connections. If reversed, the pool may not operate correctly and can appear or become clogged. Once reversed, the pump may start to work effectively. Inspect the strainer screen for debris and remove. Tighten the hoses and hose clamps on the pool; while you may suspect a clog, the cause may be an improper connection.
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