Hayward Chlorinator Troubleshooting & Repair Guide
— Hayward CL220 inground pool…..this is 3rd year. late last season noticed Chlorine levels high and unable to get it down. Same problem this year..past 2 weeks high levels off reader, and set at off….looked inside after 1 week to make sure chlorine tabs were intact! nope….all dissolved despite chlorinator turned off. no wonder cannot get level down.
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