How to Install the DLFC Button with Needle Nose Pliers
How to remove the DLFC retainer without the "tool" using standard needle nose pliers.
How to install the DLFC button into the injector drain module's 1/2" threaded drain port on Fleck 5600 valves.
DLFC retainer is listed here:
https://www.softenerparts.com/fp13173...