Common Problem
High Filter Pressure? Common Causes and Next Steps
Rising filter pressure indicates restricted flow. Ignoring it may damage the pump or filter.
Most likely causes
- Dirty cartridge or DE
- Closed return valve
- Chlorine lock on filter media
- Failed pressure gauge
What to do now
Clean the filter first. If pressure doesn't drop, consider replacing the cartridge or backwashing. Persistent issues warrant a service call.
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