The Hayward In-Line Chlorinator 4.2 lb 1-1/2" is designed for compatible pool chemical feeder or chlorinator systems where controlled sanitizer delivery is needed. Chemical feeder components must be selected carefully because connection size, installation style, capacity, cap configuration, and flow direction can vary between models. Replacing the correct feeder, cap, or chlorinator assembly helps support consistent sanitizer management and easier routine maintenance. This item is appropriate for service work where the existing feeder is damaged, leaking, missing parts, or no longer operating as expected. Verify plumbing size, feeder type, and part number CL100EF before ordering. Designed for compatible pool chemical feeder or chlorinator applications Helps support controlled sanitizer delivery through the circulation system Useful when replacing a worn, damaged, leaking, or outdated feeder component Confirm plumbing size, installation style, and model compatibility before purchase Use part number CL100EF to match the correct feeder or replacement part
