Check valve and inlet fitting adapter assembly for use with CL220 series chlorine feeder Key benefits Prevents pool water back flow into the feeder, protecting the feeder and supply lines during normal operation and when the system is shut down. Includes all components for a direct inlet conversion, reducing the need to source multiple parts. Compatible with CL200 and CL220 series chlorine feeders, enabling straightforward replacement or upgrade of existing inlet hardware. What is included Inlet fitting Check valve Two compression nuts to improve conversion rates Function and compatibility The check valve blocks reverse flow of pool water into the feeder body, helping to maintain proper chemical feed and protect internal components. Designed for use with CL200 and CL220 series chlorine feeders and specifically for conversion or replacement of the feeder inlet assembly. Practical attributes Purposebuilt assembly with the core parts required for inlet conversion and back flow prevention. Supplied components simplify installation and reduce the chance of missing fittings when servicing or replacing the feeder inlet. Use scenarios a worn or leaking check valve on a CL220 series chlorine feeder to stop pool water from entering the feeder during shutdown. Convert an existing feeder inlet to fit different plumbing using the included compression nuts and inlet fitting. Perform routine maintenance or a feeder retrofit where a complete inlet assembly is needed to restore correct operation. Why customers choose this assembly Provides a focused solution for inlet conversion and back flow prevention without the need to source individual parts. Clear compatibility with CL200 and CL220 series chlorine feeders ensures the assembly fits common feeder models used in pool systems.