Gasket Injector Body For 1600, part number 14805 cross reference PN 11475 ( older ) and 19925 ( newer in some manuals )Same part, just different part numbers being used by Fleck ( Pentair Water ) over the years ( 50+).Also used with 1700 ( 1/2" ) injector housings ( valves 2750, 2850, 2900 ).And other "brands" that use similar Fleck design ( such as MacClean and CUNO models ).
14805 VS 19925 14805 is the standard gasket. 19925 is used on upflow injectors.