Regular maintenance of a Jandy pool filter helps maintain optimal water clarity and reduces stress on the pool’s circulation system. This guide explains a practical, step-by-step approach to cleaning cartridge filters and keeping a Jandy system running smoothly.
Safety and proper procedure are essential. Follow product manuals and use the appropriate tools to avoid damage to filters and plumbing.
Quick Answer
Detach the filter, remove cartridges, rinse with a hose to dislodge debris, soak in a cartridge cleaning solution, rinse thoroughly, and reassemble. Check pressure gauges and backwash if needed to restore flow and efficiency.
What You’ll Need
- Jandy pool filter cartridge cleaning kit or compatible cleaning solution
- cartridge pool filter cleaning brush set for stubborn debris
- pool filter backwash valve maintenance kit for systems with backwash valves
- pool filter cleaning wand for cartridge filters to reach internal passages
- replacement cartridge filter cleaning tool for pools as needed for difficult clogs
Before You Start
Turn off the pool pump and close the suction and return valves as required. Relieve system pressure and wait for components to cool if recently in use. Inspect the filter housing for cracks or wear and replace damaged gaskets if indicated. Plan for 45–90 minutes, depending on filter size and accessibility. Never run the pump without filters in place and avoid using metal tools that could damage cartridge surfaces.
Step-By-Step: How To Clean A Jandy Pool Filter
- Shut off the pump and relieve system pressure before removing the filter cover.
- Carefully unscrew and remove the filter cartridge stack from the housing.
- Rinse each cartridge with a garden hose, using a gentle spray to remove loose debris from pleats.
- Soak cartridges in a cartridge cleaning solution according to the product instructions, typically 20–60 minutes for best results.
- Remove cartridges from the solution and rinse thoroughly, paying attention to the folds near the end caps.
- Inspect seals, o-rings, and end caps; clean or replace worn parts as needed before reassembly.
- Reassemble cartridges in the housing and reseal the lid. Release any trapped air, then restart the pump.
- Monitor pressure: if it remains high after cleaning, consider a deep cleaning or replacement of aging cartridges.
- For systems with a backwash valve, perform backwashing after reinstalling to ensure proper flow and filtration.
- Close the maintenance cycle by checking gauges and confirming normal flow rates over the next 24 hours.
- Schedule routine cleans every 4–12 weeks in peak season or as indicated by pressure readings.
Troubleshooting
| Symptom | Likely Cause | Fix | Prevention |
|---|---|---|---|
| High pressure after cleaning | Clogged cartridges or damaged seals | Inspect and replace cartridges, re-lubricate or replace o-rings | Clean cartridges regularly; inspect seals during each service |
| Low flow or no flow | Air in system or mis-seated components | Re-seat lid, purge air, verify valves | Ensure watertight connections; avoid overtightening |
| Leaking housing | Worn gaskets or cracked housing | Replace gaskets; replace damaged parts | Inspect seals during every clean |
| Uneven cleaning performance | Uneven cartridge cleaning or improper reassembly | Distribute cartridges evenly; verify correct orientation | Follow manufacturer assembly guidelines |
Common Mistakes
- Using harsh brushes that damage cartridge pleats
- Over-soaking beyond recommended times, which can degrade media
- Skipping backwash or bypassing the backwash valve when needed
- Reusing old or torn o-rings after cleaning
- Neglecting to inspect housing and seals during every service
Tips For Best Results
- Rinse cartridges with a gentle hose jet at a fresh angle to avoid pleat damage.
- Regularly schedule maintenance aligned with usage and exposure to debris.
- Label and store cleaning tools to prevent cross-contamination with other pool chemicals.
- Use a dedicated cleaning solution designed for cartridge filters to protect media.
- Keep spare o-rings and a basic tool kit on hand for quick repairs.
Call A Professional
Consult a professional if the filter housing or plumbing shows signs of significant damage, if persistent leaks occur, or if backwashing fails to restore flow after multiple cleanings. Seek a pro when the pump struggles to prime or when pressure readings are consistently abnormal despite proper cleaning and maintenance.
FAQ
How often should I clean the Jandy cartridge filter?
Clean when pressure rises 8–15 psi above the clean baseline or every 4–12 weeks during peak season, depending on debris load.
Can I use household cleaners on filter cartridges?
Avoid harsh household cleaners; use manufacturer-approved cartridge cleaning solutions to protect media and seals.
What if the cartridges are damaged?
Damaged cartridges should be replaced to prevent reduced filtration efficiency and possible equipment wear.
Do I need to backwash after cleaning?
Backwashing helps remove accumulated debris and restore water flow; follow your system’s backwash schedule.
Is it normal for the filter to leak after reassembly?
A small amount of water around seals can occur briefly; ensure seals are clean and seated properly to prevent ongoing leaks.
Buying Guide
When choosing filtration components or replacements for a Jandy system, consider cartridge size compatibility with your filter housing, the expected filtration load, and the overall pool size. Noise level is generally not a major concern for cartridge maintenance, but pump performance affects energy use and operation. Look at energy efficiency ratings for pumps connected to cartridge filters, as this impacts running costs. Controls should be intuitive, with easy access to backwash and cleaning modes. Placement of the filter system should allow safe access to cartridges and space for cleaning tools. Compare options by cartridge compatibility, cleaning efficiency, and the availability of maintenance kits that accompany the filter model. If unsure, consult a professional to determine the best fit for your pool setup.


